GO-2025-3379 — Vulnetix

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GO-2025-3379 PUBLISHED CVSS 9.300000190734863 CRITICAL

Mattermost Improper Validation of Specified Type of Input vulnerability in github.com/mattermost/mattermost-server

Risk Scores

CVSS v4.0

9.300000190734863

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected Products

Vendor	Product	Versions
github.com	mattermost/mattermost-server	10.0.0+incompatible, 10.1.0+incompatible, 10.2.0+incompatible
github.com	mattermost/mattermost/server/v8	0
github.com	mattermost/mattermost-server/v5	0
github.com	mattermost/mattermost-server/v6	0

Timeline

Jan 9, 2025 CVE Published
Feb 4, 2026 CVE Updated
May 1, 2026 Security Advisory

References

https://github.com/advisories/GHSA-2549-xh72-qrpm advisory
https://nvd.nist.gov/vuln/detail/CVE-2025-20033 advisory
https://mattermost.com/security-updates url

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