Team associated AD/LDAP Groups Leaked due to missing authorization
Priority LOW 29CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure, Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-200 and CWE-862.
Summary
Mattermost fails to properly authorize the requests fetching team associated AD/LDAP groups, allowing a user to fetch details of AD/LDAP groups of a team that they are not a member of.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00389 33rd percentileScored 2026-11-07
Fix Fixed Mattermost (Mattermost): 9.5.0, 9.4.2, 9.3.1 +2github.com/mattermost/mattermost/server/v8 (Go): 9.4.2, 9.3.1, 9.2.5
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 | up to 9.4.1; up to 9.3.0; up to 9.2.5; up to 8.1.8 | 9.5.0, 9.4.2, 9.3.1, 9.2.5, 8.1.9 | Patch available | CNA |
| — | github.com/mattermost/mattermost/server/v8 (Go) | 9.4.0 to before 9.4.2 | 9.4.2 | Patch available | GHSA-7v3v-984v-h74r |
| — | github.com/mattermost/mattermost/server/v8 (Go) | 9.3.0 to before 9.3.1 | 9.3.1 | Patch available | GHSA-7v3v-984v-h74r |
| — | github.com/mattermost/mattermost/server/v8 (Go) | 9.2.0 to before 9.2.5 | 9.2.5 | Patch available | GHSA-7v3v-984v-h74r |
- Mattermost VendorMattermost Affected up to 9.4.1; up to 9.3.0; up to 9.2.5; up to 8.1.8 Fixed in 9.5.0, 9.4.2, 9.3.1, 9.2.5, 8.1.9 Patch available CNA
- github.com/mattermost/mattermost/server/v8 (Go) Vendor— Affected 9.4.0 to before 9.4.2 Fixed in 9.4.2 Patch available GHSA-7v3v-984v-h74r
- github.com/mattermost/mattermost/server/v8 (Go) Vendor— Affected 9.3.0 to before 9.3.1 Fixed in 9.3.1 Patch available GHSA-7v3v-984v-h74r
- github.com/mattermost/mattermost/server/v8 (Go) Vendor— Affected 9.2.0 to before 9.2.5 Fixed in 9.2.5 Patch available GHSA-7v3v-984v-h74r
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | before 8.1.9; 9.0.0 to before 9.2.5; 9.4.0 to before 9.4.2 | Vulnerable | Mattermost |
| cpe:2.3:a:mattermost:mattermost_server:9.3.0:-:*:*:*:*:*:* | 9.3.0 | Vulnerable | Mattermost |
| cpe:2.3:a:mattermost:mattermost_server:9.3.0:rc1:*:*:*:*:*:* | 9.3.0 rc1 | Vulnerable | Mattermost |
| cpe:2.3:a:mattermost:mattermost_server:9.3.0:rc2:*:*:*:*:*:* | 9.3.0 rc2 | Vulnerable | Mattermost |
- cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* Versions before 8.1.9; 9.0.0 to before 9.2.5; 9.4.0 to before 9.4.2 Vulnerable ·Mattermost
- cpe:2.3:a:mattermost:mattermost_server:9.3.0:-:*:*:*:*:*:* Versions 9.3.0 Vulnerable ·Mattermost
- cpe:2.3:a:mattermost:mattermost_server:9.3.0:rc1:*:*:*:*:*:* Versions 9.3.0 rc1 Vulnerable ·Mattermost
- cpe:2.3:a:mattermost:mattermost_server:9.3.0:rc2:*:*:*:*:*:* Versions 9.3.0 rc2 Vulnerable ·Mattermost
Remediation
- Fix · CNA Mattermost (Mattermost) Fixed in 9.5.0, 9.4.2, 9.3.1, 9.2.5, 8.1.9
- Fix · GHSA-7v3v-984v-h74r github.com/mattermost/mattermost/server/v8 (Go) Fixed in 9.4.2 Advisory →
- Fix · GHSA-7v3v-984v-h74r github.com/mattermost/mattermost/server/v8 (Go) Fixed in 9.3.1 Advisory →
- Fix · GHSA-7v3v-984v-h74r github.com/mattermost/mattermost/server/v8 (Go) Fixed in 9.2.5 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2024-23493
- 2026-10-03 Alias added: GHSA-7v3v-984v-h74r
References
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-2024-23493 · CVE Program
- CVE-2024-23493 · NVD
- FIRST EPSS
- GHSA-7v3v-984v-h74r · GitHub Advisory Database · CC BY 4.0
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