CVE-2026-4858
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)
Path traversal in integration action URL leading to arbitrary API execution via system admin’s auth token.
Mattermost versions 11.6.x <= 11.6.0, 11.5.x <= 11.5.3, 11.4.x <= 11.4.4, 10.11.x <= 10.11.14 fail to check integration URL for path traversal which allows an malicious authenticated user to call an arbitrary API via system admin Mattermost auth token using via path traversal in integration action URL.. Mattermost Advisory ID: MMSA-2026-00640
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) |
|---|---|---|---|---|---|
| 11.6.0 | affected | semver | Unavailable | 11.6.0 | None listed |
| 11.5.0 | affected | semver | Unavailable | 11.5.3 | None listed |
| 11.4.0 | affected | semver | Unavailable | 11.4.4 | None listed |
| 10.11.0 | affected | semver | Unavailable | 10.11.14 | None listed |
| 11.7.0 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 11.6.1 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 11.5.4 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 11.4.5 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 10.11.15 | unaffected | Unavailable | Unavailable | Unavailable | None listed |