CVE-2025-0503 - Common Vulnerabilities and Exposures https://www.hacktheforum.com/common-vulnerabilities-and-exposures/cve-2025-0503/ Hack The Forum Discussion Board en Wed, 15 Jul 2026 23:49:25 +0000 wpForo 60 CVE-2025-0503 https://www.hacktheforum.com/common-vulnerabilities-and-exposures/cve-2025-0503/#post-20041 Fri, 20 Feb 2026 22:48:58 +0000 Description

Mattermost versions 9.11.x <= 9.11.6 fail to filter out DMs from the deleted channels endpoint which allows an attacker to infer user IDs and other metadata from deleted DMs if someone had manually marked DMs as deleted in the database.

References

https://mattermost.com/security-updates

https://nvd.nist.gov/vuln/detail/CVE-2025-05035

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