Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/96153?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/96153?format=api", "vulnerability_id": "VCID-23nv-xqcm-gfa8", "summary": "Mattermost versions 10.12.x <= 10.12.1, 10.11.x <= 10.11.4, 10.5.x <= 10.5.12, 11.0.x <= 11.0.3 fail to properly validate OAuth state tokens during OpenID Connect authentication which allows an authenticated attacker with team creation privileges to take over a user account via manipulation of authentication data during the OAuth completion flow. This requires email verification to be disabled (default: disabled), OAuth/OpenID Connect to be enabled, and the attacker to control two users in the SSO system with one of them never having logged into Mattermost.", "aliases": [ { "alias": "CVE-2025-12419" }, { "alias": "GHSA-3x39-62h4-f8j6" } ], "fixed_packages": [], "affected_packages": [], "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2025-12419", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00086", "scoring_system": "epss", "scoring_elements": "0.24967", "published_at": "2026-06-13T12:55:00Z" }, { "value": "0.00086", "scoring_system": "epss", "scoring_elements": "0.2495", "published_at": "2026-06-14T12:55:00Z" }, { "value": "0.00086", "scoring_system": "epss", "scoring_elements": "0.24754", "published_at": "2026-06-11T12:55:00Z" }, { "value": "0.00086", "scoring_system": "epss", "scoring_elements": "0.24953", "published_at": "2026-06-12T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2025-12419" }, { "reference_url": "https://github.com/advisories/GHSA-3x39-62h4-f8j6", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-3x39-62h4-f8j6" }, { "reference_url": "https://github.com/mattermost/mattermost", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/mattermost/mattermost" }, { "reference_url": "https://github.com/mattermost/mattermost/commit/15364790cc277cfaa372693d2d5442b87f70fd42", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/mattermost/mattermost/commit/15364790cc277cfaa372693d2d5442b87f70fd42" }, { "reference_url": "https://github.com/mattermost/mattermost/commit/364c2203de00fe0d8424b6b46d6f0eeb02a2539a", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/mattermost/mattermost/commit/364c2203de00fe0d8424b6b46d6f0eeb02a2539a" }, { "reference_url": "https://github.com/mattermost/mattermost/commit/46b5c436bb3093cc1da3fa2455f93d4c52389eee", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/mattermost/mattermost/commit/46b5c436bb3093cc1da3fa2455f93d4c52389eee" }, { "reference_url": "https://github.com/mattermost/mattermost/commit/c3f4818afe46a7084740e809708ae22641c76d8d", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/mattermost/mattermost/commit/c3f4818afe46a7084740e809708ae22641c76d8d" }, { "reference_url": "https://github.com/mattermost/mattermost/commit/d3ed703dc8330684952eb8d49a375bac6ea7b0c6", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/mattermost/mattermost/commit/d3ed703dc8330684952eb8d49a375bac6ea7b0c6" }, { "reference_url": "https://github.com/mattermost/mattermost/pull/34296", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/mattermost/mattermost/pull/34296" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2025-12419", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-12419" }, { "reference_url": "https://mattermost.com/security-updates", "reference_id": "security-updates", "reference_type": "", "scores": [ { "value": "9.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-11-28T15:21:17Z/" } ], "url": "https://mattermost.com/security-updates" } ], "weaknesses": [ { "cwe_id": 303, "name": "Incorrect Implementation of Authentication Algorithm", "description": "The requirements for the product dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect." }, { "cwe_id": 287, "name": "Improper Authentication", "description": "When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct." } ], "exploits": [], "severity_range_score": "9.0 - 10.0", "exploitability": null, "weighted_severity": null, "risk_score": null, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-23nv-xqcm-gfa8" }