Moderate severityNVD Advisory· Published Mar 21, 2025· Updated Mar 21, 2025
Unauthorized Private-to-Public Channel Conversion
CVE-2025-27933
Description
Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8 fail to fail to enforce channel conversion restrictions, which allows members with permission to convert public channels to private ones to also convert private ones to public
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/mattermost/mattermost/server/v8Go | >= 10.4.0, < 10.4.3 | 10.4.3 |
github.com/mattermost/mattermost/server/v8Go | >= 10.3.0, < 10.3.4 | 10.3.4 |
github.com/mattermost/mattermost/server/v8Go | >= 9.11.0, < 9.11.9 | 9.11.9 |
github.com/mattermost/mattermost-serverGo | < 9.11.9 | 9.11.9 |
github.com/mattermost/mattermost/server/v8Go | < 8.0.0-20250218135018-e644e3c8e393 | 8.0.0-20250218135018-e644e3c8e393 |
Affected products
13- osv-coords12 versionspkg:apk/chainguard/mattermost-fips-10.5pkg:apk/chainguard/mattermost-fips-10.5-compatpkg:apk/chainguard/mattermost-fips-10.6pkg:apk/chainguard/mattermost-fips-10.6-compatpkg:apk/chainguard/mattermost-fips-10.7pkg:apk/chainguard/mattermost-fips-10.7-compatpkg:apk/chainguard/mattermost-fips-9.11pkg:apk/chainguard/mattermost-fips-9.11-compatpkg:bitnami/mattermostpkg:golang/github.com/mattermost/mattermost-serverpkg:golang/github.com/mattermost/mattermost/server/v8pkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Tumbleweed
< 0+ 11 more
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 10.7.1-r1
- (no CPE)range: < 10.7.1-r1
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: >= 9.11.0, < 10.0.0
- (no CPE)range: < 9.11.9
- (no CPE)range: >= 10.4.0, < 10.4.3
- (no CPE)range: < 0.0.20250327T184518-1.1
- Range: 10.4.0
Patches
Vulnerability mechanics
References
3- github.com/advisories/GHSA-h5v9-xw2g-7hrqghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-27933ghsaADVISORY
- mattermost.com/security-updatesghsaWEB
News mentions
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