CVE-2026-8432HIGH 8.8EPSS p2.9%

CVE-2026-8432CVE-2026-8432

Description

Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery (CSRF) at concrete/controllers/backend/file star(). 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.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS0.13% probability of exploitation · percentile 2.9% · 2026-06-19T12:03:05Z
Published2026-05-21
Last modified2026-05-26

Underlying weaknesses· 2

CWE-352CWE-1275

References

  1. https://documentation.concretecms.org/9-x/developers/introduction/version-history/951-release-notes

2

TypeTargetConfidenceTier
WeaknessSensitive Cookie with Improper SameSite Attributecwe-12750%live
WeaknessCross-Site Request Forgery (CSRF)cwe-3520%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.