CVE-2026-85177CWE-639

CVE-2026-85177

Medium · published September 3, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
17.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
EPSS
0.00265 · 17.5th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-09-03T19:17Z
References (5)
https://github.com/crmeb/CRMEB · [email protected]https://github.com/crmeb/CRMEB/blob/v6.0.0/crmeb/app/api/controller/v1/user/MessageSystemController.php · [email protected]https://github.com/crmeb/CRMEB/issues/120 · [email protected]https://www.vulncheck.com/advisories/crmeb-through-6.0.0-unauthorized-message-modification-via-edit-message · [email protected]https://github.com/crmeb/CRMEB/issues/120 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 05 SEP 03:44Z
    EPSS moved — → 0%
    epss
  • 03 SEP 14:12Z
    CRMEB through 6.0.0 Unauthorized Message Modification via edit_message
    cvelistv5