CVE-2026-8434 (GCVE-0-2026-8434)

Vulnerability from cvelistv5 – Published: 2026-05-21 21:23 – Updated: 2026-05-22 12:29
VLAI?
Title
Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery (CSRF) at concrete/controllers/backend/file rescanMultiple()
Summary
Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery (CSRF) at concrete/controllers/backend/file rescanMultiple(). The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.3 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks Yonatan Drori (Tenzai) for reporting.
Severity ?
2.3 (Low)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CWE
  • CWE-352 - Cross-Site request forgery (CSRF)
  • CWE-1275 - Sensitive cookie with improper SameSite attribute
Assigner
References
Impacted products
Vendor Product Version
Concrete CMS Concrete CMS Affected: 9.0 , ≤ 9.5.0 (git)
Create a notification for this product.
Credits
Yonatan Drori (Tenzai)
Show details on NVD website
To clipboard 

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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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