Unauthorized Bot Login Using Credentials
Priority LOW 24CWE-303Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub.
Summary
Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to invalidate the cache when a user account is converted to a bot which allows an attacker to login to the bot exactly one time via normal credentials.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00237 14th percentileScored 2026-11-07
Fix Fixed Mattermost (Mattermost): 10.6.0, 10.5.2, 10.4.4 +1github.com/mattermost/mattermost/server/v8 (Go): 10.5.2, 9.11.10, 8.0.0-20250220161544-fd356b62b4dd
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Mattermost | Mattermost | 10.5.0 – 10.5.1; 10.4.0 – 10.4.3; 9.11.0 – 9.11.9 | 10.6.0, 10.5.2, 10.4.4, 9.11.10 | Patch available | CNA |
| — | github.com/mattermost/mattermost/server/v8 (Go) | 10.5.0 to before 10.5.2 | 10.5.2 | Patch available | GHSA-6rqh-8465-2xcw |
| — | github.com/mattermost/mattermost/server/v8 (Go) | 9.11.0 to before 9.11.10 | 9.11.10 | Patch available | GHSA-6rqh-8465-2xcw |
| — | github.com/mattermost/mattermost/server/v8 (Go) | before 8.0.0-20250220161544-fd356b62b4dd | 8.0.0-20250220161544-fd356b62b4dd | Patch available | GHSA-6rqh-8465-2xcw |
- Mattermost VendorMattermost Affected 10.5.0 – 10.5.1; 10.4.0 – 10.4.3; 9.11.0 – 9.11.9 Fixed in 10.6.0, 10.5.2, 10.4.4, 9.11.10 Patch available CNA
- github.com/mattermost/mattermost/server/v8 (Go) Vendor— Affected 10.5.0 to before 10.5.2 Fixed in 10.5.2 Patch available GHSA-6rqh-8465-2xcw
- github.com/mattermost/mattermost/server/v8 (Go) Vendor— Affected 9.11.0 to before 9.11.10 Fixed in 9.11.10 Patch available GHSA-6rqh-8465-2xcw
- github.com/mattermost/mattermost/server/v8 (Go) Vendor— Affected before 8.0.0-20250220161544-fd356b62b4dd Fixed in 8.0.0-20250220161544-fd356b62b4dd Patch available GHSA-6rqh-8465-2xcw
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | 9.11.0 to before 9.11.10; 10.4.0 to before 10.4.4; 10.5.0 to before 10.5.2 | Vulnerable | Mattermost |
- cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* Versions 9.11.0 to before 9.11.10; 10.4.0 to before 10.4.4; 10.5.0 to before 10.5.2 Vulnerable ·Mattermost
Remediation
- Fix · CNA Mattermost (Mattermost) Fixed in 10.6.0, 10.5.2, 10.4.4, 9.11.10
- Fix · GHSA-6rqh-8465-2xcw github.com/mattermost/mattermost/server/v8 (Go) Fixed in 10.5.2 Advisory →
- Fix · GHSA-6rqh-8465-2xcw github.com/mattermost/mattermost/server/v8 (Go) Fixed in 9.11.10 Advisory →
- Fix · GHSA-6rqh-8465-2xcw github.com/mattermost/mattermost/server/v8 (Go) Fixed in 8.0.0-20250220161544-fd356b62b4dd Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-2475
- 2026-10-03 Alias added: GHSA-6rqh-8465-2xcw
References
Other 7
- https://github.com/mattermost/mattermost/commit/124547a9ef424431e1e6cf09bdba6c1099d415de
- https://github.com/mattermost/mattermost/commit/40fd60714bd055e00c16301ba6dc0fddfc44e15e
- https://github.com/mattermost/mattermost/commit/88523ceed8a7547c4a4203a30e7c3a8097346280
- https://github.com/mattermost/mattermost/commit/bcd7a4c2bd856dbb40fcda227b363fa5f6f548a7
- https://github.com/mattermost/mattermost/commit/fd356b62b4dd3318d2c8019d2310abdd6ce24c8c
- https://github.com/mattermost/mattermost
- https://pkg.go.dev/vuln/GO-2025-3610
More Mattermost Server vulnerabilities
- TI-2025-18933 Arbitrary file read in Mattermost Boards via import & export board archive CVSS 3.1CRITICAL 9.9
- TI-2025-04465 Path Traversal Leading to RCE by Any Authenticated Mattermost User CVSS 3.1CRITICAL 9.9
- TI-2017-14068 An issue was discovered in Mattermost Server before 3.6.2. CVSS 3.1CRITICAL 9.8
- TI-2017-14060 An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. CVSS 3.1CRITICAL 9.8
- TI-2017-14048 An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3. CVSS 3.1CRITICAL 9.8
- TI-2025-14360 Arbitrary file read via block duplication in Mattermost Boards CVSS 3.1CRITICAL 9.9
Sources
- CVE-2025-2475 · CVE Program
- CVE-2025-2475 · NVD
- FIRST EPSS
- GHSA-6rqh-8465-2xcw · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences