CVE-2025-49810
published 2025-08-21CVE-2025-49810: Mattermost versions 10.5.x <= 10.5.8 fail to validate access controls at time of access which allows user to read a thread via AI posts
PriorityP421medium4.3CVSS 3.1
AVNACLPRLUINSUCLINAN
EPSS
0.20%
9.9th percentile
Mattermost versions 10.5.x <= 10.5.8 fail to validate access controls at time of access which allows user to read a thread via AI posts
Affected
5 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| github.com | mattermost_mattermost-server | >= 10.5.0 < 10.5.9 | 10.5.9 |
| github.com | mattermost_mattermost-server | >= 10.5.0+incompatible < 10.5.9+incompatible | 10.5.9+incompatible |
| github.com | mattermost_mattermost_server_v8 | >= 0 < 8.0.0-20250721095846-c602a4a78e1f | 8.0.0-20250721095846-c602a4a78e1f |
| mattermost | mattermost | 10.5.0 – 10.5.8 | — |
| mattermost | mattermost_server | >= 10.5.0 < 10.5.9 | 10.5.9 |
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OSV
Mattermost Lack of Access Control Validation in github.com/mattermost/mattermost-server
osv·2025-08-29
CVE-2025-49810 Mattermost Lack of Access Control Validation in github.com/mattermost/mattermost-server
Mattermost Lack of Access Control Validation in github.com/mattermost/mattermost-server
Mattermost Lack of Access Control Validation in github.com/mattermost/mattermost-server
GHSA
Mattermost Lack of Access Control Validation
ghsa·2025-08-21
CVE-2025-49810 [LOW] CWE-863 Mattermost Lack of Access Control Validation
Mattermost Lack of Access Control Validation
Mattermost versions 10.5.x <= 10.5.8 fail to validate access controls at time of access which allows user to read a thread via AI posts
OSV
Mattermost Lack of Access Control Validation
osv·2025-08-21
CVE-2025-49810 [LOW] Mattermost Lack of Access Control Validation
Mattermost Lack of Access Control Validation
Mattermost versions 10.5.x <= 10.5.8 fail to validate access controls at time of access which allows user to read a thread via AI posts
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2025-08-21
Published