Cross Site Request Forgery in Concrete CMS by Concrete5
CVE-2026-8409

2.3LOW

Key Information:

Vendor

Concrete Cms

Status
Concrete Cms
Vendor
CVE Published:
21 May 2026

What is CVE-2026-8409?

Concrete CMS versions prior to 9.5.0 contain a vulnerability that allows Cross Site Request Forgery (CSRF) attacks via the delete function in the logs controller. This flaw can enable attackers to perform unauthorized actions on behalf of users without their consent. Proper validation mechanisms are required to mitigate this risk and protect user interactions.

Affected Version(s)

Concrete CMS 9.0 <= 9.5.0

References

https://documentation.concretecms.org/9-x/developers/intr...
release-notes

CVSS V4

Score:
2.3
Severity:
LOW
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Yonatan Drori (Tenzai)
.