CVE-2025-64641
Full vulnerability record from the local CVENow database.
Description
Mattermost 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 fail to verify that post actions invoking /share-issue-publicly were created by the Jira plugin which allowed a malicious Mattermost user to exfiltrate Jira tickets when victim users interacted with affected posts
Severity
MEDIUM
CVSS score
4.1
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2025-12-24 08:15:46.487000
Last modified
2026-10-19 22:10:00.130000
View original CVE JSON
{
"id": "CVE-2025-64641",
"sourceIdentifier": "[email protected]",
"published": "2025-12-24T08:15:46.487",
"lastModified": "2026-10-19T22:10:00.130",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Mattermost 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 fail to verify that post actions invoking /share-issue-publicly were created by the Jira plugin which allowed a malicious Mattermost user to exfiltrate Jira tickets when victim users interacted with affected posts"
},
{
"lang": "es",
"value": "Las versiones de Mattermost 11.1.x hasta la versión 11.1.0 incluida, 11.0.x hasta la versión 11.0.5 incluida, 10.12.x hasta la versión 10.12.3 incluida y 10.11.x hasta la versión 10.11.7 incluida no verifican que las acciones de publicación que invocan /share-issue-publicly hayan sido creadas por el plugin de Jira, lo que permite a un usuario malintencionado de Mattermost exfiltrar tickets de Jira cuando los usuarios víctimas interactúan con las publicaciones afectadas."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Mattermost",
"product": "Mattermost",
"defaultStatus": "unaffected",
"versions": [
{
"version": "11.1.0",
"lessThanOrEqual": "11.1.0",
"versionType": "semver",
"status": "affected"
},
{
"version": "11.0.0",
"lessThanOrEqual": "11.0.5",
"versionType": "semver",
"status": "affected"
},
{
"version": "10.12.0",
"lessThanOrEqual": "10.12.3",
"versionType": "semver",
"status": "affected"
},
{
"version": "10.11.0",
"lessThanOrEqual": "10.11.7",
"versionType": "semver",
"status": "affected"
},
{
"version": "11.2.0",
"status": "unaffected"
},
{
"version": "11.1.1",
"status": "unaffected"
},
{
"version": "11.0.6",
"status": "unaffected"
},
{
"version": "10.12.4",
"status": "unaffected"
},
{
"version": "10.11.8",
"status": "unaffected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N",
"baseScore": 4.1,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "REQUIRED",
"scope": "CHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 2.3,
"impactScore": 1.4
},
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N",
"baseScore": 4.1,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "REQUIRED",
"scope": "CHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 2.3,
"impactScore": 1.4
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2025-12-24T16:35:04.296093Z",
"id": "CVE-2025-64641",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-863"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"versionStartIncluding": "10.11.0",
"versionEndExcluding": "10.11.8",
"matchCriteriaId": "7B0477E2-8999-4E1D-9E6B-7A818CB76488"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"versionStartIncluding": "10.12.0",
"versionEndExcluding": "10.12.4",
"matchCriteriaId": "B83EB4C3-5E75-4BD1-94F3-ED29D329E5C4"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"versionStartIncluding": "11.0.0",
"versionEndExcluding": "11.0.6",
"matchCriteriaId": "B6EAC2A0-B481-45EA-90AE-F950921DB06A"
},
{
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"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"versionStartIncluding": "11.1.0",
"versionEndExcluding": "11.1.1",
"matchCriteriaId": "387573EC-2596-4529-BD43-054E52D34EC0"
}
]
}
]
}
],
"references": [
{
"url": "https://mattermost.com/security-updates",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
}
]
}