Medium
Null condition in Playbooks import crashes the plugin
Mattermost versions 11.7.x <= 11.7.11 fail to validate null elements when decoding playbook import conditions which allows an authenticated attacker to crash the Playbooks plugin instance-wide via a crafted import request containing a null condition. Mattermost Advisory ID: MMSA-2026-00709
Announced Source revision 1
Original source ↗CVE-2026-13411
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-13411
Mattermost
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "Mattermost",
"product": "Mattermost",
"versions": [
{
"status": "affected",
"version": "11.7.0",
"versionType": "semver",
"lessThanOrEqual": "11.7.11"
},
{
"status": "unaffected",
"version": "11.10.0"
},
{
"status": "unaffected",
"version": "11.7.12"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-13411
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #50245 · Revision 1
- Added to Heist Feed
- Publisher date