CVE-2025-12559
6 advisories.
Go/github.com/mattermost/mattermost/server/v8 CVE-2025-12559: medium 4.3, EPSS 0.22%
Mattermost fails to sanitize team email addresses
Action: Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20251015091448-abbf01b9db45 or later.
go get github.com/mattermost/mattermost/server/v8@v8.0.0-20251015091448-abbf01b9db45Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 8.0.0-20251015091448-abbf01b9db45 | - |
Fixed versions
| 8.0.0-20251015091448-abbf01b9db45 |
Sources
- osv: GHSA-4g87-9x45-cx2h
- https://nvd.nist.gov/vuln/detail/CVE-2025-12559
- https://github.com/mattermost/mattermost/pull/34110
- https://github.com/mattermost/mattermost/commit/5d8719042c1807da59ac8a821624eb01152d8495
- https://github.com/mattermost/mattermost/commit/649aee8fa9184ca59bd66022a33b8f8918e413aa
- https://github.com/mattermost/mattermost/commit/7ccb62db7958abd6a4b21a06c5a4f5367a8f8b1f
- https://github.com/mattermost/mattermost/commit/9f54e5cdc3aef412945ff0e6a58338f7b549bdda
- https://github.com/mattermost/mattermost/commit/abbf01b9db45d1850eaf3701ea8362b910193ffd
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
CVE-2025-12559 · published · modified · JSON
Go/github.com/mattermost/mattermost-server CVE-2025-12559: medium 4.3, EPSS 0.22%
Mattermost fails to sanitize team email addresses
Action: Upgrade github.com/mattermost/mattermost-server to 10.5.13 or later.
go get github.com/mattermost/mattermost-server@v11.0.3go get github.com/mattermost/mattermost-server@v10.12.2go get github.com/mattermost/mattermost-server@v10.11.5go get github.com/mattermost/mattermost-server@v10.5.13Affected
| introduced | fixed | last affected |
|---|---|---|
| 11.0.0 | 11.0.3 | - |
| 10.12.0 | 10.12.2 | - |
| 10.11.0 | 10.11.5 | - |
| 10.5.0 | 10.5.13 | - |
Fixed versions
| 11.0.3 | 10.12.2 | 10.11.5 | 10.5.13 |
Sources
- osv: GHSA-4g87-9x45-cx2h#Go/github.com/mattermost/mattermost-server
- https://nvd.nist.gov/vuln/detail/CVE-2025-12559
- https://github.com/mattermost/mattermost/pull/34110
- https://github.com/mattermost/mattermost/commit/5d8719042c1807da59ac8a821624eb01152d8495
- https://github.com/mattermost/mattermost/commit/649aee8fa9184ca59bd66022a33b8f8918e413aa
- https://github.com/mattermost/mattermost/commit/7ccb62db7958abd6a4b21a06c5a4f5367a8f8b1f
- https://github.com/mattermost/mattermost/commit/9f54e5cdc3aef412945ff0e6a58338f7b549bdda
- https://github.com/mattermost/mattermost/commit/abbf01b9db45d1850eaf3701ea8362b910193ffd
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
CVE-2025-12559 · published · modified · JSON
Go/github.com/mattermost/mattermost-server CVE-2025-12559: medium 4.3, EPSS 0.22%
Mattermost fails to sanitize team email addresses in github.com/mattermost/mattermost-server
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: GO-2025-4169
- nvd: CVE-2025-12559
- https://github.com/advisories/GHSA-4g87-9x45-cx2h
- https://github.com/mattermost/mattermost/commit/5d8719042c1807da59ac8a821624eb01152d8495
- https://github.com/mattermost/mattermost/commit/649aee8fa9184ca59bd66022a33b8f8918e413aa
- https://github.com/mattermost/mattermost/commit/7ccb62db7958abd6a4b21a06c5a4f5367a8f8b1f
- https://github.com/mattermost/mattermost/commit/9f54e5cdc3aef412945ff0e6a58338f7b549bdda
- https://github.com/mattermost/mattermost/commit/abbf01b9db45d1850eaf3701ea8362b910193ffd
- https://github.com/mattermost/mattermost/pull/34110
- https://mattermost.com/security-updates
CVE-2025-12559 · published · modified · JSON
Go/github.com/mattermost/mattermost-server/v5 CVE-2025-12559: medium 4.3, EPSS 0.22%
Mattermost fails to sanitize team email addresses in github.com/mattermost/mattermost-server
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: GO-2025-4169#Go/github.com/mattermost/mattermost-server/v5
- nvd: CVE-2025-12559
- https://github.com/advisories/GHSA-4g87-9x45-cx2h
- https://github.com/mattermost/mattermost/commit/5d8719042c1807da59ac8a821624eb01152d8495
- https://github.com/mattermost/mattermost/commit/649aee8fa9184ca59bd66022a33b8f8918e413aa
- https://github.com/mattermost/mattermost/commit/7ccb62db7958abd6a4b21a06c5a4f5367a8f8b1f
- https://github.com/mattermost/mattermost/commit/9f54e5cdc3aef412945ff0e6a58338f7b549bdda
- https://github.com/mattermost/mattermost/commit/abbf01b9db45d1850eaf3701ea8362b910193ffd
- https://github.com/mattermost/mattermost/pull/34110
- https://mattermost.com/security-updates
CVE-2025-12559 · published · modified · JSON
Go/github.com/mattermost/mattermost-server/v6 CVE-2025-12559: medium 4.3, EPSS 0.22%
Mattermost fails to sanitize team email addresses in github.com/mattermost/mattermost-server
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: GO-2025-4169#Go/github.com/mattermost/mattermost-server/v6
- nvd: CVE-2025-12559
- https://github.com/advisories/GHSA-4g87-9x45-cx2h
- https://github.com/mattermost/mattermost/commit/5d8719042c1807da59ac8a821624eb01152d8495
- https://github.com/mattermost/mattermost/commit/649aee8fa9184ca59bd66022a33b8f8918e413aa
- https://github.com/mattermost/mattermost/commit/7ccb62db7958abd6a4b21a06c5a4f5367a8f8b1f
- https://github.com/mattermost/mattermost/commit/9f54e5cdc3aef412945ff0e6a58338f7b549bdda
- https://github.com/mattermost/mattermost/commit/abbf01b9db45d1850eaf3701ea8362b910193ffd
- https://github.com/mattermost/mattermost/pull/34110
- https://mattermost.com/security-updates
CVE-2025-12559 · published · modified · JSON
Go/github.com/mattermost/mattermost/server/v8 CVE-2025-12559: medium 4.3, EPSS 0.22%
Mattermost fails to sanitize team email addresses in github.com/mattermost/mattermost-server
Action: Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20251015091448-abbf01b9db45 or later.
go get github.com/mattermost/mattermost/server/v8@v8.0.0-20251015091448-abbf01b9db45Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 8.0.0-20251015091448-abbf01b9db45 | - |
Fixed versions
| 8.0.0-20251015091448-abbf01b9db45 |
Sources
- osv: GO-2025-4169#Go/github.com/mattermost/mattermost/server/v8
- nvd: CVE-2025-12559
- https://github.com/advisories/GHSA-4g87-9x45-cx2h
- https://github.com/mattermost/mattermost/commit/5d8719042c1807da59ac8a821624eb01152d8495
- https://github.com/mattermost/mattermost/commit/649aee8fa9184ca59bd66022a33b8f8918e413aa
- https://github.com/mattermost/mattermost/commit/7ccb62db7958abd6a4b21a06c5a4f5367a8f8b1f
- https://github.com/mattermost/mattermost/commit/9f54e5cdc3aef412945ff0e6a58338f7b549bdda
- https://github.com/mattermost/mattermost/commit/abbf01b9db45d1850eaf3701ea8362b910193ffd
- https://github.com/mattermost/mattermost/pull/34110
- https://mattermost.com/security-updates
CVE-2025-12559 · published · modified · JSON