CVE-2025-2527
published 2025-05-15CVE-2025-2527: Mattermost versions 10.5.x <= 10.5.2, 9.11.x <= 9.11.11 failed to properly verify a user's permissions when accessing groups, which allows an attacker to view…
PriorityP422medium4.3CVSS 3.1
AVNACLPRLUINSUCLINAN
EPSS
0.26%
17.3th percentile
Mattermost versions 10.5.x <= 10.5.2, 9.11.x <= 9.11.11 failed to properly verify a user's permissions when accessing groups, which allows an attacker to view group information via an API request.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| github.com | mattermost_mattermost-server | >= 10.5.0+incompatible < 10.5.3+incompatible | 10.5.3+incompatible |
| github.com | mattermost_mattermost-server | >= 9.11.0+incompatible < 9.11.12+incompatible | 9.11.12+incompatible |
| github.com | mattermost_mattermost_server_v8 | >= 0 < 8.0.0-20250411064244-844447fbd57c | 8.0.0-20250411064244-844447fbd57c |
| github.com | mattermost_mattermost_server_v8 | >= 10.5.0 < 10.5.3 | 10.5.3 |
| github.com | mattermost_mattermost_server_v8 | >= 9.11.0 < 9.11.12 | 9.11.12 |
| mattermost | mattermost | 10.5.0 – 10.5.2 | — |
| mattermost | mattermost | 9.11.0 – 9.11.11 | — |
| mattermost | mattermost_server | >= 10.5.0 < 10.5.3 | 10.5.3 |
| mattermost | mattermost_server | >= 9.11.0 < 9.11.12 | 9.11.12 |
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OSV
Mattermost Fails to Verify User's Permissions When Accessing Groups in github.com/mattermost/mattermost-server
osv·2025-05-23
CVE-2025-2527 Mattermost Fails to Verify User's Permissions When Accessing Groups in github.com/mattermost/mattermost-server
Mattermost Fails to Verify User's Permissions When Accessing Groups in github.com/mattermost/mattermost-server
Mattermost Fails to Verify User's Permissions When Accessing Groups in github.com/mattermost/mattermost-server
OSV
Mattermost Fails to Verify User's Permissions When Accessing Groups
osv·2025-05-15
CVE-2025-2527 [MEDIUM] Mattermost Fails to Verify User's Permissions When Accessing Groups
Mattermost Fails to Verify User's Permissions When Accessing Groups
Mattermost versions 10.5.x <= 10.5.2, 9.11.x <= 9.11.11 failed to properly verify a user's permissions when accessing groups, which allows an attacker to view group information via an API request.
GHSA
Mattermost Fails to Verify User's Permissions When Accessing Groups
ghsa·2025-05-15
CVE-2025-2527 [MEDIUM] CWE-863 Mattermost Fails to Verify User's Permissions When Accessing Groups
Mattermost Fails to Verify User's Permissions When Accessing Groups
Mattermost versions 10.5.x <= 10.5.2, 9.11.x <= 9.11.11 failed to properly verify a user's permissions when accessing groups, which allows an attacker to view group information via an API request.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2025-05-15
Published