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{
    "url": "http://public2.vulnerablecode.io/api/packages/1014383?format=api",
    "purl": "pkg:pypi/jupyterhub-ltiauthenticator@0.1",
    "type": "pypi",
    "namespace": "",
    "name": "jupyterhub-ltiauthenticator",
    "version": "0.1",
    "qualifiers": {},
    "subpath": "",
    "is_vulnerable": true,
    "next_non_vulnerable_version": "1.6.3",
    "latest_non_vulnerable_version": "1.6.3",
    "affected_by_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/90141?format=api",
            "vulnerability_id": "VCID-ad67-duma-nqaj",
            "summary": "LTI JupyterHub Authenticator: Unbounded Memory Growth via Nonce Storage (Denial of Service)\n## Summary\n\nThe LTI 1.1 validator stores OAuth nonces in a class-level dictionary that grows without bounds. Nonces are added before signature validation, so an attacker with knowledge of a valid consumer key can send repeated requests with unique nonces to gradually exhaust server memory, causing a denial of service.\n\n## Patches\n\n- upgrade jupyterhub-litauthenticator to 1.6.3",
            "references": [
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-34052",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00018",
                            "scoring_system": "epss",
                            "scoring_elements": "0.05142",
                            "published_at": "2026-06-06T12:55:00Z"
                        },
                        {
                            "value": "0.00018",
                            "scoring_system": "epss",
                            "scoring_elements": "0.0514",
                            "published_at": "2026-06-09T12:55:00Z"
                        },
                        {
                            "value": "0.00018",
                            "scoring_system": "epss",
                            "scoring_elements": "0.05097",
                            "published_at": "2026-06-08T12:55:00Z"
                        },
                        {
                            "value": "0.00018",
                            "scoring_system": "epss",
                            "scoring_elements": "0.05137",
                            "published_at": "2026-06-07T12:55:00Z"
                        },
                        {
                            "value": "0.00018",
                            "scoring_system": "epss",
                            "scoring_elements": "0.05156",
                            "published_at": "2026-06-05T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-34052"
                },
                {
                    "reference_url": "https://github.com/jupyterhub/ltiauthenticator",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "5.9",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/jupyterhub/ltiauthenticator"
                },
                {
                    "reference_url": "https://github.com/jupyterhub/ltiauthenticator/releases/tag/1.6.3",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "5.9",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-06T18:58:43Z/"
                        }
                    ],
                    "url": "https://github.com/jupyterhub/ltiauthenticator/releases/tag/1.6.3"
                },
                {
                    "reference_url": "https://github.com/jupyterhub/ltiauthenticator/security/advisories/GHSA-8mxq-7xr7-2fxj",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "5.9",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "cvssv3.1_qr",
                            "scoring_elements": ""
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-06T18:58:43Z/"
                        }
                    ],
                    "url": "https://github.com/jupyterhub/ltiauthenticator/security/advisories/GHSA-8mxq-7xr7-2fxj"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34052",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "5.9",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34052"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-8mxq-7xr7-2fxj",
                    "reference_id": "GHSA-8mxq-7xr7-2fxj",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "MODERATE",
                            "scoring_system": "cvssv3.1_qr",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/advisories/GHSA-8mxq-7xr7-2fxj"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/111416?format=api",
                    "purl": "pkg:pypi/jupyterhub-ltiauthenticator@1.6.3",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/jupyterhub-ltiauthenticator@1.6.3"
                }
            ],
            "aliases": [
                "CVE-2026-34052",
                "GHSA-8mxq-7xr7-2fxj"
            ],
            "risk_score": 3.1,
            "exploitability": "0.5",
            "weighted_severity": "6.2",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-ad67-duma-nqaj"
        }
    ],
    "fixing_vulnerabilities": [],
    "risk_score": "3.1",
    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/jupyterhub-ltiauthenticator@0.1"
}