Vulnerability in Spip
CVE-2026-22205
SPIP versions prior to 4.4.10 contain an authentication bypass vulnerability caused by PHP type juggling that allows unauthenticated attackers to access protected information. Attackers can exploit loose type comparisons in authentication logic to bypass login verification and retrieve sensitive internal data.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (38.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Spip — versions 0
Weakness classification (CWE)
References
- blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-10.html (vendor-advisory, Release Notes, patch)
- git.spip.net/spip/spip (Product, product)
- www.vulncheck.com/advisories/spip-sql-injection-rce-via-union-php-tags (related, Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-22205?
- CVE-2026-22205 is a high-severity vulnerability in Spip, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 7.5/10. Published 2026-02-26.
- How severe is CVE-2026-22205?
- High severity. CVSS v3 base score is 7.5 out of 10.