CVE-2026-22205

EUVD-2026-8883
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 62%
Affected Products (NVD)
VendorProductVersion
spipspip
𝑥
< 4.4.10
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
spip
bullseye
vulnerable
bullseye (security)
vulnerable
sid
4.4.15+dfsg-1
fixed
trixie
4.4.13+dfsg-0+deb13u1
fixed
trixie (security)
4.4.15+dfsg-0+deb13u1
fixed
Common Weakness Enumeration
References
https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-10.html
https://git.spip.net/spip/spip
https://www.vulncheck.com/advisories/spip-sql-injection-rce-via-union-php-tags