Vulnerability · Published Feb 26, 2026 · Assigned by VulnCheck
CVE-2026-22205SPIP < 4.4.10 Authentication Bypass via PHP Type Juggling
High 7.5
In plain English
A high-severity authentication bypass in SPIP from SPIP. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:13 | spip | 4.4.11+dfsg-0+deb13u1 | DEBIAN-CVE-2026-22205 |
| Debian:13 | spip | 4.4.11+dfsg-0+deb13u1 | DSA-6155-1 |
| Debian:14 | spip | 4.4.10+dfsg-1 | DEBIAN-CVE-2026-22205 |
| Ubuntu:22.04:LTS | spip | no fix listed | UBUNTU-CVE-2026-22205 |
| Ubuntu:24.04:LTS | spip | no fix listed | UBUNTU-CVE-2026-22205 |
| Ubuntu:25.10 | spip | no fix listed | UBUNTU-CVE-2026-22205 |
| Ubuntu:26.04:LTS | spip | no fix listed | UBUNTU-CVE-2026-22205 |
| Ubuntu:26.10 | spip | no fix listed | UBUNTU-CVE-2026-22205 |
Affected products (as reported)
Weakness: CWE-288 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N