CVE-2023-1831 User password logged in audit logs
Attackers with log access can view user passwords and hashes in audit logs when experimental logging is enabled.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-1831?
CVE-2023-1831 is a high-severity vulnerability in Mattermost Mattermost Server, published on 17 Apr 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Mattermost fails to redact from audit logs the user password during user creation and the user password hash in other operations if the experimental audit logging configuration was enabled (ExperimentalAuditSettings section in config).
Which versions are affected by CVE-2023-1831?
1 open source package ship an affected version, including mattermost. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mattermost Bitnami | All versions to 7.9.0 | 7.7.3, 7.8.2 |
Products include Mattermost Mattermost Server.
How do I fix CVE-2023-1831?
Upgrade mattermost to a fixed version for your release line: 7.7.3 or 7.8.2.
Is CVE-2023-1831 being exploited?
There is no known exploitation of CVE-2023-1831 in the wild and no public exploit code.
Other vulnerabilities in Mattermost Mattermost Server
- CVE-2025-12419 Account takeover on OAuth/OpenID-enabled servers
- CVE-2025-12421 Account Takeover via Code Exchange Endpoint
- CVE-2025-4981 Path Traversal Leading to RCE by Any Authenticated Mattermost User
- CVE-2025-20051 Arbitrary file read via block duplication in Mattermost Boards
- CVE-2025-25279 Arbitrary file read in Mattermost Boards via import & export board archive
Sources
Also known as BIT-mattermost-2023-1831, GHSA-4683-xj3v-wqvf.