VDB
GO-2026-4299
GO-2026-4299
PUBLISHED
CVSS 8.699999809265137 HIGH
Mattermost Server allows attackers to log sensitive information via DEBUG REST API logging endpoint in github.com/mattermost/mattermost-server
Risk Scores
CVSS v4.0
8.699999809265137
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| github.com | mattermost/mattermost-server | 4.1.0+incompatible, 4.2.0-rc1+incompatible, 0 |
Timeline
- Jan 13, 2026 CVE Published
- Mar 3, 2026 CVE Updated
- May 1, 2026 Security Advisory
References
- https://github.com/advisories/GHSA-63wg-qmrv-7q66 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-18896 advisory
- https://github.com/mattermost/mattermost url
- https://github.com/mattermost/mattermost/commit/3c34e2b2dcb0fde96a10e68d877aa7d0ab511669 url
- https://github.com/mattermost/mattermost/commit/722fb1947a2e7395ccf16adce9206736d803a9f3 url
- https://github.com/mattermost/mattermost/commit/d38328976e2c8bb0fab91e656042a0d8ac37bc76 url
- https://mattermost.com/security-updates url