CVE-2026-19600
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)
Mattermost logs plaintext authentication tokens in debug-level server logs on failed auth attempts
Mattermost versions 11.9.x <= 11.9.1, 11.8.x <= 11.8.5, 11.7.x <= 11.7.10, 11.10.x <= 11.10.1 fail to sanitize authentication tokens before writing them to server log entries, which allows an attacker with access to server logs to obtain valid session tokens or OAuth access tokens and impersonate authenticated users via the debug-level Mattermost server log.. Mattermost Advisory ID: MMSA-2026-00763
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) |
|---|---|---|---|---|---|
| 11.9.0 | affected | semver | Unavailable | 11.9.1 | None listed |
| 11.8.0 | affected | semver | Unavailable | 11.8.5 | None listed |
| 11.7.0 | affected | semver | Unavailable | 11.7.10 | None listed |
| 11.10.0 | affected | semver | Unavailable | 11.10.1 | None listed |
| 11.11.0 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 11.9.2 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 11.8.6 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 11.7.11 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 11.10.2 | unaffected | Unavailable | Unavailable | Unavailable | None listed |