GHSA-QVMC-92VG-6R35
Vulnerability from github – Published: 2025-12-22 12:30 – Updated: 2026-01-02 15:34Mattermost versions 11.1.x <= 11.1.0, 11.0.x <= 11.0.5, 10.12.x <= 10.12.3, 10.11.x <= 10.11.7 with the Jira plugin enabled and Mattermost Jira plugin versions <=4.4.0 fail to enforce authentication and issue-key path restrictions in the Jira plugin, which allows an unauthenticated attacker who knows a valid user ID to issue authenticated GET and POST requests to the Jira server via crafted plugin payloads that spoof the user ID and inject arbitrary issue key paths. Mattermost Advisory ID: MMSA-2025-00555
{
"affected": [
{
"package": {
"ecosystem": "Go",
"name": "github.com/mattermost/mattermost/server/v8"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.0-20251121122154-b57c297c6d7a"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Go",
"name": "github.com/mattermost/mattermost-plugin-jira"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.4.1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2025-14273"
],
"database_specific": {
"cwe_ids": [
"CWE-303"
],
"github_reviewed": true,
"github_reviewed_at": "2026-01-02T15:34:07Z",
"nvd_published_at": "2025-12-22T12:16:19Z",
"severity": "HIGH"
},
"details": "Mattermost versions 11.1.x \u003c= 11.1.0, 11.0.x \u003c= 11.0.5, 10.12.x \u003c= 10.12.3, 10.11.x \u003c= 10.11.7 with the Jira plugin enabled and Mattermost Jira plugin versions \u003c=4.4.0 fail to enforce authentication and issue-key path restrictions in the Jira plugin, which allows an unauthenticated attacker who knows a valid user ID to issue authenticated GET and POST requests to the Jira server via crafted plugin payloads that spoof the user ID and inject arbitrary issue key paths. Mattermost Advisory ID: MMSA-2025-00555",
"id": "GHSA-qvmc-92vg-6r35",
"modified": "2026-01-02T15:34:07Z",
"published": "2025-12-22T12:30:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-14273"
},
{
"type": "WEB",
"url": "https://github.com/mattermost/mattermost-plugin-jira/commit/bf9a1b7e81eb83304056b397c6abab3b062e14a2"
},
{
"type": "WEB",
"url": "https://github.com/mattermost/mattermost/commit/317025c411ec8c34381fdd4f137a17c63895a4f2"
},
{
"type": "WEB",
"url": "https://github.com/mattermost/mattermost/commit/463e0d0d3930782d3c975da26c991dcbfccd751c"
},
{
"type": "WEB",
"url": "https://github.com/mattermost/mattermost/commit/7c36acb68ce3c69defaea540623f794c84ecba93"
},
{
"type": "WEB",
"url": "https://github.com/mattermost/mattermost/commit/92b1e705225d97ce54d9f720f2e7aa66dc2a086b"
},
{
"type": "WEB",
"url": "https://github.com/mattermost/mattermost/commit/b57c297c6d7ae6812d85e32a625806ac9555deee"
},
{
"type": "PACKAGE",
"url": "https://github.com/mattermost/mattermost"
},
{
"type": "WEB",
"url": "https://mattermost.com/security-updates"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L",
"type": "CVSS_V3"
}
],
"summary": "Mattermost with Jira plugin enabled has Incorrect Implementation of Authentication Algorithm"
}
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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