CVSS 4.0
5.3 mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:NCVE-2026-85177
Medium (5.3). EPSS 0.4% chance of exploitation in the next 30 days.
CRMEB through 6.0.0 fails to validate message ownership in the edit_message handler of MessageSystemController.php, allowing authenticated users to modify arbitrary system inbox messages. Attackers can update any message's columns including is_del, look, and uid to delete, mark read, or reassign victim notifications without authorization.
Severity
CVSS 3.1
5.4 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L- EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 32% of CVEs (scores of 2026-10-31)
- CWE
- CWE-639
- Published
- Modified
- Record from
- the NVD, synced
References
- https://github.com/crmeb/CRMEB
- https://github.com/crmeb/CRMEB/blob/v6.0.0/crmeb/app/api/controller/v1/user/MessageSystemController.php
- https://github.com/crmeb/CRMEB/issues/120
- https://www.vulncheck.com/advisories/crmeb-through-6.0.0-unauthorized-message-modification-via-edit-message
- https://github.com/crmeb/CRMEB/issues/120