CVE-2026-2462
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Admin RCE via Malicious Plugin Upload on CI Test Instances
Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to restrict plugin installation on CI test instances with default admin credentials which allows an unauthenticated attacker to achieve remote code execution and exfiltrate sensitive configuration data including AWS and SMTP credentials via uploading a malicious plugin after changing the import directory. Mattermost Advisory ID: MMSA-2025-00528
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Mattermost
- Vendor
- Mattermost
- Product
- Mattermost
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 11.3.0 | affected | semver | Unavailable | 11.3.0 | None listed |
| 11.2.0 | affected | semver | Unavailable | 11.2.2 | None listed |
| 10.11.0 | affected | semver | Unavailable | 10.11.10 | None listed |
| 11.4.0 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 11.3.1 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 11.2.3 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 10.11.11 | unaffected | Unavailable | Unavailable | Unavailable | None listed |