CVE-2026-22205
SPIP < 4.4.10 Authentication Bypass via PHP Type Juggling
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.
INFO
Published Date :
Feb. 26, 2026, 9:28 p.m.
Last Modified :
March 2, 2026, 4:08 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update SPIP to version 4.4.10 or later.
- Review and sanitize all user inputs.
- Implement strict type checking in authentication.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-22205.
| URL | Resource |
|---|---|
| https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-10.html | Release Notes |
| https://git.spip.net/spip/spip | Product |
| https://www.vulncheck.com/advisories/spip-sql-injection-rce-via-union-php-tags | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-22205 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-22205
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-22205 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-22205 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 02, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:spip:spip:*:*:*:*:*:*:*:* versions up to (excluding) 4.4.10 Added Reference Type VulnCheck: https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-10.html Types: Release Notes Added Reference Type VulnCheck: https://git.spip.net/spip/spip Types: Product Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/spip-sql-injection-rce-via-union-php-tags Types: Third Party Advisory -
CVE Modified by [email protected]
Feb. 27, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N -
New CVE Received by [email protected]
Feb. 26, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-288 Added Reference https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-10.html Added Reference https://git.spip.net/spip/spip Added Reference https://www.vulncheck.com/advisories/spip-sql-injection-rce-via-union-php-tags