Cross Site Request Forgery in Concrete CMS Affects Versions Prior to 9.5.0
CVE-2026-8433

2.3LOW

Key Information:

Vendor

Concrete Cms

Status
Concrete Cms
Vendor
CVE Published:
21 May 2026

What is CVE-2026-8433?

Concrete CMS versions prior to 9.5.0 are susceptible to a Cross Site Request Forgery (CSRF) vulnerability in the file rescan function within the backend controller. This flaw can allow unauthorized commands to be transmitted, potentially compromising the integrity of the application. Users are advised to update to the latest version to mitigate the associated risks.

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)
.