CVE Explorer
CVE-2026-28741
Mattermost versions 10.11.x <= 10.11.12, 11.5.x <= 11.5.0, 11.4.x <= 11.4.2, 11.3.x <= 11.3.2 fail to validate CSRF tokens on an authentication endpoint which allows an attacker to update a user's authentication method via a CSRF attack by tricking a user into visiting a malicious page. Mattermost Advisory ID: MMSA-2026-00625
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Mattermost","vendor":"Mattermost","versions":[{"lessThanOrEqual":"10.11.12","status":"affected","version":"10.11.0","versionType":"semver"},{"lessThanOrEqual":"11.5.0","status":"affected","version":"11.5.0","versionType":"semver"},{"lessThanOrEqual":"11.4.2","status":"affected","version":"11.4.0","versionType":"semver"},{"lessThanOrEqual":"11.3.2","status":"affected","version":"11.3.0","versionType":"semver"},{"status":"unaffected","version":"10.11.13"},{"status":"unaffected","version":"11.5.1"},{"status":"unaffected","version":"11.4.3"},{"status":"unaf…
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:902094da7985d76f3d095d9a3f7d2e22adf60413fed5aff569e4f5a142688d58 · sha256:8ccb791fefcb8a2f… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.8,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:902094da7985d76f3d095d9a3f7d2e22adf60413fed5aff569e4f5a142688d58 · sha256:8ccb791fefcb8a2f… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-352","description":"CWE-352: Cross-Site Request Forgery (CSRF)","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:902094da7985d76f3d095d9a3f7d2e22adf60413fed5aff569e4f5a142688d58 · sha256:8ccb791fefcb8a2f… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"MMSA-2026-00625","tags":["vendor-advisory"],"url":"https://mattermost.com/security-updates"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:902094da7985d76f3d095d9a3f7d2e22adf60413fed5aff569e4f5a142688d58 · sha256:8ccb791fefcb8a2f… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.