Lookup for vulnerable packages by Package URL.

GET /api/packages/41561?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/packages/41561?format=api",
    "purl": "pkg:pypi/authlib@1.2.1",
    "type": "pypi",
    "namespace": "",
    "name": "authlib",
    "version": "1.2.1",
    "qualifiers": {},
    "subpath": "",
    "is_vulnerable": true,
    "next_non_vulnerable_version": "1.6.12",
    "latest_non_vulnerable_version": "1.7.1",
    "affected_by_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/64888?format=api",
            "vulnerability_id": "VCID-4wgd-2mpe-tyh3",
            "summary": "authlib: Authlib: Authentication bypass via forged OpenID Connect ID Tokens",
            "references": [
                {
                    "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-28498.json",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "9.1",
                            "scoring_system": "cvssv3",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
                        }
                    ],
                    "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-28498.json"
                },
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-28498",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00029",
                            "scoring_system": "epss",
                            "scoring_elements": "0.08867",
                            "published_at": "2026-06-05T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-28498"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-28498",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-28498"
                },
                {
                    "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "9.1",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
                        }
                    ],
                    "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"
                },
                {
                    "reference_url": "https://github.com/authlib/authlib",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "8.2",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/authlib/authlib"
                },
                {
                    "reference_url": "https://github.com/authlib/authlib/commit/b9bb2b25bf8b7e01512d847a95c1749646eaa72b",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "8.2",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-16T18:14:21Z/"
                        }
                    ],
                    "url": "https://github.com/authlib/authlib/commit/b9bb2b25bf8b7e01512d847a95c1749646eaa72b"
                },
                {
                    "reference_url": "https://github.com/authlib/authlib/releases/tag/v1.6.9",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "8.2",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-16T18:14:21Z/"
                        }
                    ],
                    "url": "https://github.com/authlib/authlib/releases/tag/v1.6.9"
                },
                {
                    "reference_url": "https://github.com/authlib/authlib/security/advisories/GHSA-m344-f55w-2m6j",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "8.2",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-16T18:14:21Z/"
                        }
                    ],
                    "url": "https://github.com/authlib/authlib/security/advisories/GHSA-m344-f55w-2m6j"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-28498",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "8.2",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-28498"
                },
                {
                    "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2448182",
                    "reference_id": "2448182",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2448182"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-m344-f55w-2m6j",
                    "reference_id": "GHSA-m344-f55w-2m6j",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://github.com/advisories/GHSA-m344-f55w-2m6j"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2026:6309",
                    "reference_id": "RHSA-2026:6309",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2026:6309"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2026:6404",
                    "reference_id": "RHSA-2026:6404",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2026:6404"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2026:6497",
                    "reference_id": "RHSA-2026:6497",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2026:6497"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2026:6567",
                    "reference_id": "RHSA-2026:6567",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2026:6567"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2026:6568",
                    "reference_id": "RHSA-2026:6568",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2026:6568"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2026:6720",
                    "reference_id": "RHSA-2026:6720",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2026:6720"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2026:6912",
                    "reference_id": "RHSA-2026:6912",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2026:6912"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/49678?format=api",
                    "purl": "pkg:pypi/authlib@1.6.9",
                    "is_vulnerable": true,
                    "affected_by_vulnerabilities": [
                        {
                            "vulnerability": "VCID-hrf7-xz6n-efcg"
                        },
                        {
                            "vulnerability": "VCID-sk4t-73s6-rqg9"
                        }
                    ],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/authlib@1.6.9"
                }
            ],
            "aliases": [
                "CVE-2026-28498",
                "GHSA-m344-f55w-2m6j"
            ],
            "risk_score": 4.1,
            "exploitability": "0.5",
            "weighted_severity": "8.2",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-4wgd-2mpe-tyh3"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/47822?format=api",
            "vulnerability_id": "VCID-f8jg-a3bd-x7ax",
            "summary": "Authlib: JWS/JWT accepts unknown crit headers (RFC violation → possible authz bypass)\nAuthlib’s JWS verification accepts tokens that declare unknown critical header parameters (`crit`), violating RFC 7515 “must‑understand” semantics. An attacker can craft a signed token with a critical header (for example, `bork` or `cnf`) that strict verifiers reject but Authlib accepts. In mixed‑language fleets, this enables split‑brain verification and can lead to policy bypass, replay, or privilege escalation.",
            "references": [
                {
                    "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-59420.json",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.5",
                            "scoring_system": "cvssv3",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
                        }
                    ],
                    "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-59420.json"
                },
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2025-59420",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00011",
                            "scoring_system": "epss",
                            "scoring_elements": "0.01363",
                            "published_at": "2026-06-05T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2025-59420"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-59420",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-59420"
                },
                {
                    "reference_url": "https://github.com/authlib/authlib",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/authlib/authlib"
                },
                {
                    "reference_url": "https://github.com/authlib/authlib/commit/6b1813e4392eb7c168c276099ff7783b176479df",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-09-22T18:04:06Z/"
                        }
                    ],
                    "url": "https://github.com/authlib/authlib/commit/6b1813e4392eb7c168c276099ff7783b176479df"
                },
                {
                    "reference_url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00032.html",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00032.html"
                },
                {
                    "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2397460",
                    "reference_id": "2397460",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2397460"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2025-59420",
                    "reference_id": "CVE-2025-59420",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-59420"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-9ggr-2464-2j32",
                    "reference_id": "GHSA-9ggr-2464-2j32",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://github.com/advisories/GHSA-9ggr-2464-2j32"
                },
                {
                    "reference_url": "https://github.com/authlib/authlib/security/advisories/GHSA-9ggr-2464-2j32",
                    "reference_id": "GHSA-9ggr-2464-2j32",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-09-22T18:04:06Z/"
                        }
                    ],
                    "url": "https://github.com/authlib/authlib/security/advisories/GHSA-9ggr-2464-2j32"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2025:22182",
                    "reference_id": "RHSA-2025:22182",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2025:22182"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2025:22287",
                    "reference_id": "RHSA-2025:22287",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2025:22287"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2025:23028",
                    "reference_id": "RHSA-2025:23028",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2025:23028"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2025:23059",
                    "reference_id": "RHSA-2025:23059",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2025:23059"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2025:23060",
                    "reference_id": "RHSA-2025:23060",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2025:23060"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2025:23061",
                    "reference_id": "RHSA-2025:23061",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2025:23061"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2025:23064",
                    "reference_id": "RHSA-2025:23064",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2025:23064"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2025:23176",
                    "reference_id": "RHSA-2025:23176",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2025:23176"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2026:1942",
                    "reference_id": "RHSA-2026:1942",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2026:1942"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2026:4215",
                    "reference_id": "RHSA-2026:4215",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2026:4215"
                },
                {
                    "reference_url": "https://usn.ubuntu.com/8065-1/",
                    "reference_id": "USN-8065-1",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://usn.ubuntu.com/8065-1/"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/49673?format=api",
                    "purl": "pkg:pypi/authlib@1.6.4",
                    "is_vulnerable": true,
                    "affected_by_vulnerabilities": [
                        {
                            "vulnerability": "VCID-4wgd-2mpe-tyh3"
                        },
                        {
                            "vulnerability": "VCID-hrf7-xz6n-efcg"
                        },
                        {
                            "vulnerability": "VCID-pguz-hqre-77ac"
                        },
                        {
                            "vulnerability": "VCID-pt7d-e6h5-kbd2"
                        },
                        {
                            "vulnerability": "VCID-sk4t-73s6-rqg9"
                        },
                        {
                            "vulnerability": "VCID-sp9r-m79r-ryd5"
                        },
                        {
                            "vulnerability": "VCID-vjhy-tvsd-gbfm"
                        },
                        {
                            "vulnerability": "VCID-zafh-nuvx-6fch"
                        }
                    ],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/authlib@1.6.4"
                }
            ],
            "aliases": [
                "CVE-2025-59420",
                "GHSA-9ggr-2464-2j32"
            ],
            "risk_score": null,
            "exploitability": null,
            "weighted_severity": null,
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-f8jg-a3bd-x7ax"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/37302?format=api",
            "vulnerability_id": "VCID-hrf7-xz6n-efcg",
            "summary": "Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to 1.6.11, there is no CSRF protection on the cache feature in authlib.integrations.starlette_client.OAuth.  This vulnerability is fixed in 1.6.11.",
            "references": [
                {
                    "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-41425.json",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "5.4",
                            "scoring_system": "cvssv3",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"
                        }
                    ],
                    "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-41425.json"
                },
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-41425",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00023",
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                            "scoring_elements": "0.0663",
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            "summary": "Authlib has 1-click Account Takeover vulnerability\nCache-backed state/request-token storage is not tied to the initiating user session, making CSRF possible for any attacker that possesses a valid state value (easily obtainable via an attacker-initiated authentication flow). When a cache is supplied to the OAuth client registry, `FrameworkIntegration.set_state_data` writes the entire state blob under `_state_{app}_{state}`, and `get_state_data` disregards the caller's session entirely. [1][2]\n\n```py\ndef _get_cache_data(self, key):\nvalue = self.cache.get(key)\nif not value:\nreturn None\ntry:\nreturn json.loads(value)\nexcept (TypeError, ValueError):\nreturn None\n[snip]\ndef get_state_data(self, session, state):\nkey = f\"_state_{self.name}_{state}\"\nif self.cache:\nvalue = self._get_cache_data(key)\nelse:\nvalue = session.get(key)\nif value:\nreturn value.get(\"data\")\nreturn None\n```\n\n*authlib/integrations/base_client/framework_integration.py:12-41*\n\nRetrieval in `authorize_access_token` therefore succeeds for whichever browser presents that opaque value, and the token exchange proceeds with the attacker's authorization code. [3]\n\n```py\ndef authorize_access_token(self, **kwargs):\n\"\"\"Fetch access token in one step.\n\n:return: A token dict.\n\"\"\"\nparams = request.args.to_dict(flat=True)\nstate = params.get(\"oauth_token\")\nif not state:\nraise OAuthError(description='Missing \"oauth_token\" parameter')\n\ndata = self.framework.get_state_data(session, state)\nif not data:\nraise OAuthError(description='Missing \"request_token\" in temporary data')\n\nparams[\"request_token\"] = data[\"request_token\"]\nparams.update(kwargs)\nself.framework.clear_state_data(session, state)\ntoken = self.fetch_access_token(**params)\nself.token = token\nreturn token\n```\n\n*authlib/integrations/flask_client/apps.py:57-76*\n\nThis opens up an avenue for Login CSRF in applications that use cache-backed storage. Depending on the dependent application's implementation (e.g., whether it links accounts in the event of a login CSRF), this could lead to account takeover.",
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}