CSRF in Gestsup
CVE-2026-22194
GestSup versions up to and including 3.2.60 contain a cross-site request forgery (CSRF) vulnerability where the application does not verify the authenticity of client requests. An attacker can induce a logged-in user to submit crafted requests that perform actions with the victim's privileges. This can be exploited to create privileged accounts by targeting the administrative user creation endpoint.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (13.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Gestsup — versions 0
Weakness classification (CWE)
References
- gestsup.fr/index.php (release-notes, Release Notes)
- www.vulncheck.com/advisories/gestsup-csrf-allows-privileged-actions (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-22194?
- CVE-2026-22194 is a high-severity vulnerability in Gestsup, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2026-01-09.
- How severe is CVE-2026-22194?
- High severity. CVSS v3 base score is 8.8 out of 10.