Medium severity · published Sep 3, 2026
CVE-2026-85177
CRMEB through 6.0.0 Unauthorized Message Modification via edit_message
5.4
CVSS
0.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CR
CRMEB · crmeb
through 6.0.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-85177
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-85177
github.com
https://github.com/crmeb/CRMEB
github.com
https://github.com/crmeb/CRMEB/blob/v6.0.0/crmeb/app/api/controller/v1/user/MessageSystemController.php
github.com
https://github.com/crmeb/CRMEB/issues/120
www.vulncheck.com
https://www.vulncheck.com/advisories/crmeb-through-6.0.0-unauthorized-message-modification-via-edit-message
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