CVE-2026-22205 SPIP < 4.4.10 Authentication Bypass via PHP Type Juggling
Unauthenticated attackers can bypass login verification via PHP type juggling to access sensitive internal data in SPIP.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-22205?
CVE-2026-22205 is a high-severity authentication bypass vulnerability in Spip Spip, published on 26 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-288
Which versions are affected by CVE-2026-22205?
It affects 1 product.
Products include Spip Spip.
How do I fix CVE-2026-22205?
Upgrade to a fixed version.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-22205 being exploited?
There is no known exploitation of CVE-2026-22205 in the wild and no public exploit code.
Other vulnerabilities in Spip Spip
Sources
Also known as DEBIAN-CVE-2026-22205, GHSA-gxmj-pr3w-6wmh, UBUNTU-CVE-2026-22205.