Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/532008?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/532008?format=api", "purl": "pkg:maven/org.pac4j/pac4j-core@2.1.0", "type": "maven", "namespace": "org.pac4j", "name": "pac4j-core", "version": "2.1.0", "qualifiers": {}, "subpath": "", "is_vulnerable": true, "next_non_vulnerable_version": "5.7.10", "latest_non_vulnerable_version": "6.4.1", "affected_by_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/84404?format=api", "vulnerability_id": "VCID-n3a6-c383-rfbd", "summary": "PAC4J is vulnerable to Cross-Site Request Forgery (CSRF). A malicious attacker can craft a specially designed website which, when visited by a user, will automatically submit a forged cross-site request with a token whose hash collides with the victim's legitimate CSRF token. Importantly, the attacker does not need to know the victim’s CSRF token or its hash prior to the attack. Collisions in the deterministic String.hashCode() function can be computed directly, reducing the effective token's security space to 32 bits. This bypasses CSRF protection, allowing profile updates, password changes, account linking, and any other state-changing operations to be performed without the victim's consent.\n\nThis issue was fixed in PAC4J versions 5.7.10 and 6.4.1", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-40458", "reference_id": "", "reference_type": "", "scores": [ { "value": "6e-05", "scoring_system": "epss", "scoring_elements": "0.00405", "published_at": "2026-06-14T12:55:00Z" }, { "value": "6e-05", "scoring_system": "epss", "scoring_elements": "0.00397", "published_at": "2026-06-13T12:55:00Z" }, { "value": "6e-05", "scoring_system": "epss", "scoring_elements": "0.004", "published_at": "2026-06-11T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-40458" }, { "reference_url": "https://cert.pl/en/posts/2026/04/CVE-2026-40458", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N" }, { "value": "7.0", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://cert.pl/en/posts/2026/04/CVE-2026-40458" }, { "reference_url": "https://github.com/pac4j/pac4j", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N" }, { "value": "7.0", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/pac4j/pac4j" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40458", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N" }, { "value": "7.0", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40458" }, { "reference_url": "https://cert.pl/en/posts/2026/04/CVE-2026-40458/", "reference_id": "CVE-2026-40458", "reference_type": "", "scores": [ { "value": "7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-17T13:57:28Z/" } ], "url": "https://cert.pl/en/posts/2026/04/CVE-2026-40458/" }, { "reference_url": "https://github.com/advisories/GHSA-xw5c-jc7x-gf75", "reference_id": "GHSA-xw5c-jc7x-gf75", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-xw5c-jc7x-gf75" }, { "reference_url": "https://www.pac4j.org/blog/security-advisory-pac4j-core-and-ldap.html", "reference_id": "security-advisory-pac4j-core-and-ldap.html", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N" }, { "value": "7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N" }, { "value": "7.0", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N" }, { "value": "HIGH", "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/2026-04-17T13:57:28Z/" } ], "url": "https://www.pac4j.org/blog/security-advisory-pac4j-core-and-ldap.html" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/373798?format=api", "purl": "pkg:maven/org.pac4j/pac4j-core@5.7.10", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.pac4j/pac4j-core@5.7.10" }, { "url": "http://public2.vulnerablecode.io/api/packages/373799?format=api", "purl": "pkg:maven/org.pac4j/pac4j-core@6.4.1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.pac4j/pac4j-core@6.4.1" } ], "aliases": [ "CVE-2026-40458", "GHSA-xw5c-jc7x-gf75" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-n3a6-c383-rfbd" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/128939?format=api", "vulnerability_id": "VCID-wpkc-ecgh-4ycg", "summary": "pac4j is a security framework for Java. `pac4j-core` prior to version 4.0.0 is affected by a Java deserialization vulnerability. The vulnerability affects systems that store externally controlled values in attributes of the `UserProfile` class from pac4j-core. It can be exploited by providing an attribute that contains a serialized Java object with a special prefix `{#sb64}` and Base64 encoding. This issue may lead to Remote Code Execution (RCE) in the worst case. Although a `RestrictedObjectInputStream` is in place, that puts some restriction on what classes can be deserialized, it still allows a broad range of java packages and potentially exploitable with different gadget chains. pac4j versions 4.0.0 and greater are not affected by this issue. Users are advised to upgrade. There are no known workarounds for this vulnerability.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2023-25581", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.14258", "scoring_system": "epss", "scoring_elements": "0.94572", "published_at": "2026-06-12T12:55:00Z" }, { "value": "0.14258", "scoring_system": "epss", "scoring_elements": "0.94579", "published_at": "2026-06-14T12:55:00Z" }, { "value": "0.14258", "scoring_system": "epss", "scoring_elements": "0.94554", "published_at": "2026-06-11T12:55:00Z" }, { "value": "0.14258", "scoring_system": "epss", "scoring_elements": "0.94578", "published_at": "2026-06-13T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2023-25581" }, { "reference_url": "https://github.com/pac4j/pac4j", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "9.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/pac4j/pac4j" }, { "reference_url": "https://securitylab.github.com/advisories", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "9.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://securitylab.github.com/advisories" }, { "reference_url": "https://securitylab.github.com/advisories/GHSL-2022-085_pac4j", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "9.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://securitylab.github.com/advisories/GHSL-2022-085_pac4j" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2023-25581", "reference_id": "CVE-2023-25581", "reference_type": "", "scores": [ { "value": "9.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "9.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-25581" }, { "reference_url": "https://portswigger.net/web-security/deserialization", "reference_id": "deserialization", "reference_type": "", "scores": [ { "value": "9.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "9.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X" }, { "value": "9.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track*", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:Y/T:T/P:M/B:A/M:M/D:R/2024-10-10T16:07:56Z/" } ], "url": "https://portswigger.net/web-security/deserialization" }, { "reference_url": "https://github.com/advisories/GHSA-76mw-6p95-x9x5", "reference_id": "GHSA-76mw-6p95-x9x5", "reference_type": "", "scores": [ { "value": "CRITICAL", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-76mw-6p95-x9x5" }, { "reference_url": "https://securitylab.github.com/advisories/GHSL-2022-085_pac4j/", "reference_id": "GHSL-2022-085_pac4j", "reference_type": "", "scores": [ { "value": "9.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N" }, { "value": "Track*", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:Y/T:T/P:M/B:A/M:M/D:R/2024-10-10T16:07:56Z/" } ], "url": "https://securitylab.github.com/advisories/GHSL-2022-085_pac4j/" }, { "reference_url": "https://github.com/pac4j/pac4j/blob/5834aeb22ad3a4369dfa572be60d7b20f5784a8f/pac4j-core/src/main/java/org/pac4j/core/profile/InternalAttributeHandler.java#L95", "reference_id": "InternalAttributeHandler.java#L95", "reference_type": "", "scores": [ { "value": "9.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "9.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X" }, { "value": "9.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track*", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:Y/T:T/P:M/B:A/M:M/D:R/2024-10-10T16:07:56Z/" } ], "url": "https://github.com/pac4j/pac4j/blob/5834aeb22ad3a4369dfa572be60d7b20f5784a8f/pac4j-core/src/main/java/org/pac4j/core/profile/InternalAttributeHandler.java#L95" }, { "reference_url": "https://github.com/frohoff/ysoserial", "reference_id": "ysoserial", "reference_type": "", "scores": [ { "value": "9.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "9.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N" }, { "value": "9.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track*", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:Y/T:T/P:M/B:A/M:M/D:R/2024-10-10T16:07:56Z/" } ], "url": "https://github.com/frohoff/ysoserial" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/33802?format=api", "purl": "pkg:maven/org.pac4j/pac4j-core@4.0.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-n3a6-c383-rfbd" }, { "vulnerability": "VCID-x4k7-q7vu-4bgk" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.pac4j/pac4j-core@4.0.0" } ], "aliases": [ "CVE-2023-25581", "GHSA-76mw-6p95-x9x5" ], "risk_score": 4.5, "exploitability": "0.5", "weighted_severity": "9.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-wpkc-ecgh-4ycg" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/207286?format=api", "vulnerability_id": "VCID-x4k7-q7vu-4bgk", "summary": "Pac4j token validation bypass if OpenID Connect provider supports none algorithm", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-44878", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00139", "scoring_system": "epss", "scoring_elements": "0.33915", "published_at": "2026-06-14T12:55:00Z" }, { "value": "0.00139", "scoring_system": "epss", "scoring_elements": "0.33737", "published_at": "2026-06-11T12:55:00Z" }, { "value": "0.00139", "scoring_system": "epss", "scoring_elements": "0.33937", "published_at": "2026-06-13T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-44878" }, { "reference_url": "https://github.com/pac4j/pac4j", "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/pac4j/pac4j" }, { "reference_url": "https://github.com/pac4j/pac4j/commit/09684e0de1c4753d22c53b8135d4ef61cfda76f7", 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