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: 38.43%
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
forky
4.4.19+dfsg-1
fixed
sid
4.4.20+dfsg-1
fixed
trixie
4.4.15+dfsg-0+deb13u1
fixed
trixie (security)
4.4.20+dfsg-0+deb13u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
spip
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
needs-triage
xenial
ignored
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