VulnerabilityReceived
CVE-2026-85177
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.
MEDIUM 5.3EPSS 0.22%
Does this matter?
Lower severity and a low EPSS score (0.22%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- 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:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.22% probability · 12th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-639
- Source
- disclosure@vulncheck.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.