CVE-2025-55073
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
Description
Mattermost allows an attacker to edit arbitrary posts via a crafted MSTeams plugin OAuth redirect URL in github.com/mattermost/mattermost-server
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | >=10.11.0,<10.11.4 | 10.11.4 |
| Go | github.com/mattermost/mattermost-server | >=10.5.0,<10.5.12 | 10.5.12 |
| Go | github.com/mattermost/mattermost-server | >=10.12.0,<10.12.1 | 10.12.1 |
| Go | github.com/mattermost/mattermost/server/v8 | <8.0.0-20250929212932-a41db04d2746 | 8.0.0-20250929212932-a41db04d2746 |
| Go | github.com/mattermost/mattermost-server | >=10.12.0+incompatible,<10.12.1+incompatible | 10.5.12+incompatible |
| Go | github.com/mattermost/mattermost-server/v5 | | |
| Go | github.com/mattermost/mattermost-server/v6 | | |
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-55073
- https://github.com/mattermost/mattermost/commit/375ce229f4923205394d8f27925372b2cbf28130
- https://github.com/mattermost/mattermost/commit/6c288aa62bb3343183ec1d0a06360d14aa0193e9
- https://github.com/mattermost/mattermost/commit/a41db04d2746ab549d056db4ede4cd803f64989c
- https://github.com/mattermost/mattermost/commit/b822cea06bf5683a176e2c92711241bd29cd9389
- https://github.com/mattermost/mattermost/commit/e47349ea0fc072ee1dfb196d9bb1c8fd1a589224
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
- https://github.com/advisories/GHSA-ff85-qw3h-g9vp
Verify integrity in audit chain (admin only). AS-IS.