CVE-2024-52032 Private channel names leaking when Elasticsearch is enabled
Attackers can leak private channel names via Elasticsearch search flaws in Mattermost when the feature is enabled.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-52032?
CVE-2024-52032 is a medium-severity vulnerability in Mattermost Mattermost Server, published on 9 Nov 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Mattermost versions 10.0.x <= 10.0.0 and 9.11.x <= 9.11.2 fail to properly query ElasticSearch when searching for the channel name in channel switcher which allows an attacker to get private channels names of channels that they are not a member of, when Elasticsearch v8 was enabled.
Weakness: CWE-200
Which versions are affected by CVE-2024-52032?
1 open source package ship an affected version, including mattermost. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mattermost Bitnami | From 9.11.0 to 10.0.0-rc1 | 9.11.3 |
Products include Mattermost Mattermost Server.
How do I fix CVE-2024-52032?
Upgrade mattermost to 9.11.3 or later.
Is CVE-2024-52032 being exploited?
There is no known exploitation of CVE-2024-52032 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-2024-52032, GHSA-69ww-qqv6-w3gj.