UnratedFix available
mattermost-10.11, mattermost-10.11-compat — security advisory
This notice tracks CVE-2026-8821 for mattermost-10.11, mattermost-10.11-compat. Fixed versions are listed in the package details.
- Products
- mattermost-10.11, mattermost-10.11-compat
- Affected versions
- Not specified
- Fixed versions
- 10.11.23-r0
- CVEs
- CVE-2026-8821
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 12:54 UTC · Revision 1
Source evidence
MINI-f9q4-3973-xffg
osv:MINI-f9q4-3973-xffg
mattermost-10.11
Fixed versions: 10.11.23-r0
mattermost-10.11-compat
Fixed versions: 10.11.23-r0
Complete source record
{
"id": "4ec89368d8d73465d33d13cbba06ddbed37e8911fe870ce2621ecb02cb9c6950",
"url": "https://osv.dev/vulnerability/MINI-f9q4-3973-xffg",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "MINI-f9q4-3973-xffg",
"summary": "MINI-f9q4-3973-xffg",
"evidence": "osv:MINI-f9q4-3973-xffg",
"products": [
{
"name": {
"value": "mattermost-10.11",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "10.11.23-r0",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mattermost-10.11-compat",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "10.11.23-r0",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "MINI-f9q4-3973-xffg",
"aliases": [
"MINI-f9q4-3973-xffg"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "10.11.23-r0"
}
]
}
],
"package": {
"name": "mattermost-10.11",
"purl": "pkg:apk/minimos/mattermost-10.11",
"ecosystem": "MinimOS"
},
"database_specific": {
"source": "https://packages.mini.dev/advisories/osv/MINI-f9q4-3973-xffg.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "10.11.23-r0"
}
]
}
],
"package": {
"name": "mattermost-10.11-compat",
"purl": "pkg:apk/minimos/mattermost-10.11-compat",
"ecosystem": "MinimOS"
},
"database_specific": {
"source": "https://packages.mini.dev/advisories/osv/MINI-f9q4-3973-xffg.json"
}
}
],
"modified": "2026-10-09T17:24:04.938943717Z",
"provider": "osv",
"upstream": [
"CVE-2026-8821",
"GHSA-wrc8-ccxq-937h"
],
"references": []
},
"related_cves": [
{
"value": "CVE-2026-8821",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 123064,
"published_at": "2026-10-08T20:47:51+00:00"
}