CVE-2025-64641 (GCVE-0-2025-64641)
Vulnerability from cvelistv5 – Published: 2025-12-24 08:02 – Updated: 2025-12-24 16:35
VLAI
EPSS
VEX
Title
Mattermost Jira plugin crafted action leaks Jira issue details
Summary
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
4.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-24 16:35 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://mattermost.com/security-updates | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Mattermost | Mattermost |
Affected:
11.1.0 , ≤ 11.1.0
(semver)
Affected: 11.0.0 , ≤ 11.0.5 (semver) Affected: 10.12.0 , ≤ 10.12.3 (semver) Affected: 10.11.0 , ≤ 10.11.7 (semver) Unaffected: 11.2.0 Unaffected: 11.1.1 Unaffected: 11.0.6 Unaffected: 10.12.4 Unaffected: 10.11.8 |
guessed |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-64641",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-12-24T16:35:04.296093Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-12-24T16:35:17.618Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Mattermost",
"vendor": "Mattermost",
"versions": [
{
"lessThanOrEqual": "11.1.0",
"status": "affected",
"version": "11.1.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "11.0.5",
"status": "affected",
"version": "11.0.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "10.12.3",
"status": "affected",
"version": "10.12.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "10.11.7",
"status": "affected",
"version": "10.11.0",
"versionType": "semver"
},
{
"status": "unaffected",
"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"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Juho Fors\u00e9n"
}
],
"descriptions": [
{
"lang": "en",
"value": "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 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"
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-863",
"description": "CWE-863: Incorrect Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-12-24T08:02:55.476Z",
"orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee",
"shortName": "Mattermost"
},
"references": [
{
"name": "MMSA-2025-00551",
"tags": [
"vendor-advisory"
],
"url": "https://mattermost.com/security-updates"
}
],
"solutions": [
{
"lang": "en",
"value": "Update Mattermost to versions 11.2.0, 11.1.1, 11.0.6, 10.12.4, 10.11.8 or higher."
}
],
"source": {
"advisory": "MMSA-2025-00551",
"defect": [
"https://mattermost.atlassian.net/browse/MM-66322"
],
"discovery": "{\"self\"=\u003e\"https://mattermost.atlassian.net/rest/api/2/customFieldOption/10557\", \"value\"=\u003e\"Internal\", \"id\"=\u003e\"10557\"}"
},
"title": "Mattermost Jira plugin crafted action leaks Jira issue details"
}
},
"cveMetadata": {
"assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee",
"assignerShortName": "Mattermost",
"cveId": "CVE-2025-64641",
"datePublished": "2025-12-24T08:02:55.476Z",
"dateReserved": "2025-11-26T11:34:02.680Z",
"dateUpdated": "2025-12-24T16:35:17.618Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2025-64641",
"date": "2026-11-05",
"epss": "0.00175",
"percentile": "0.06984"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Mattermost",
"vendor": "Mattermost",
"versions": [
{
"lessThanOrEqual": "11.1.0",
"status": "affected",
"version": "11.1.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "11.0.5",
"status": "affected",
"version": "11.0.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "10.12.3",
"status": "affected",
"version": "10.12.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "10.11.7",
"status": "affected",
"version": "10.11.0",
"versionType": "semver"
},
{
"status": "unaffected",
"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"
}
]
}
],
"source": "responsibledisclosure@mattermost.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"matchCriteriaId": "7B0477E2-8999-4E1D-9E6B-7A818CB76488",
"versionEndExcluding": "10.11.8",
"versionStartIncluding": "10.11.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"matchCriteriaId": "B83EB4C3-5E75-4BD1-94F3-ED29D329E5C4",
"versionEndExcluding": "10.12.4",
"versionStartIncluding": "10.12.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"matchCriteriaId": "B6EAC2A0-B481-45EA-90AE-F950921DB06A",
"versionEndExcluding": "11.0.6",
"versionStartIncluding": "11.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"matchCriteriaId": "387573EC-2596-4529-BD43-054E52D34EC0",
"versionEndExcluding": "11.1.1",
"versionStartIncluding": "11.1.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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 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 versi\u00f3n 11.1.0 incluida, 11.0.x hasta la versi\u00f3n 11.0.5 incluida, 10.12.x hasta la versi\u00f3n 10.12.3 incluida y 10.11.x hasta la versi\u00f3n 10.11.7 incluida no verifican que las acciones de publicaci\u00f3n 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 v\u00edctimas interact\u00faan con las publicaciones afectadas."
}
],
"id": "CVE-2025-64641",
"lastModified": "2026-10-19T22:10:00.130",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.3,
"impactScore": 1.4,
"source": "responsibledisclosure@mattermost.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.3,
"impactScore": 1.4,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-64641",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-12-24T16:35:04.296093Z",
"version": "2.0.3"
}
}
]
},
"published": "2025-12-24T08:15:46.487",
"references": [
{
"source": "responsibledisclosure@mattermost.com",
"tags": [
"Vendor Advisory"
],
"url": "https://mattermost.com/security-updates"
}
],
"sourceIdentifier": "responsibledisclosure@mattermost.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-863"
}
],
"source": "responsibledisclosure@mattermost.com",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-12-25T08:16:54+00:00",
"cve": "CVE-2025-64641",
"id": "CVE-2025-64641",
"initial_release_date": "2025-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Mattermost Jira plugin crafted action leaks Jira issue details",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-64641.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-64641",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-12-24T16:35:04.296093Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-12-24T16:35:10.502Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Mattermost",
"vendor": "Mattermost",
"versions": [
{
"lessThanOrEqual": "11.1.0",
"status": "affected",
"version": "11.1.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "11.0.5",
"status": "affected",
"version": "11.0.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "10.12.3",
"status": "affected",
"version": "10.12.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "10.11.7",
"status": "affected",
"version": "10.11.0",
"versionType": "semver"
},
{
"status": "unaffected",
"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"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Juho Fors\u00e9n"
}
],
"descriptions": [
{
"lang": "en",
"value": "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 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"
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-863",
"description": "CWE-863: Incorrect Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-12-24T08:02:55.476Z",
"orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee",
"shortName": "Mattermost"
},
"references": [
{
"name": "MMSA-2025-00551",
"tags": [
"vendor-advisory"
],
"url": "https://mattermost.com/security-updates"
}
],
"solutions": [
{
"lang": "en",
"value": "Update Mattermost to versions 11.2.0, 11.1.1, 11.0.6, 10.12.4, 10.11.8 or higher."
}
],
"source": {
"advisory": "MMSA-2025-00551",
"defect": [
"https://mattermost.atlassian.net/browse/MM-66322"
],
"discovery": "{\"self\"=\u003e\"https://mattermost.atlassian.net/rest/api/2/customFieldOption/10557\", \"value\"=\u003e\"Internal\", \"id\"=\u003e\"10557\"}"
},
"title": "Mattermost Jira plugin crafted action leaks Jira issue details"
}
},
"cveMetadata": {
"assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee",
"assignerShortName": "Mattermost",
"cveId": "CVE-2025-64641",
"datePublished": "2025-12-24T08:02:55.476Z",
"dateReserved": "2025-11-26T11:34:02.680Z",
"dateUpdated": "2025-12-24T16:35:17.618Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- 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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
Loading timeline…
Loading…
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.