CVE-2026-77806
CRITICAL
9,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Description
AI Translation Available
SPIP before 4.4.21 allows unauthenticated remote attackers to execute arbitrary code, as exploited in the wild in August 2026. This is related to code injection via an X-Spip-Filtre HTTP request header that is mishandled by analyse_resultat_skel.
94
Improper Control of Generation of Code ('Code Injection')
DraftCommon Consequences
Security Scopes Affected:
Access Control
Integrity
Confidentiality
Availability
Non-Repudiation
Potential Impacts:
Bypass Protection Mechanism
Gain Privileges Or Assume Identity
Execute Unauthorized Code Or Commands
Hide Activities
Applicable Platforms
Languages:
Interpreted
Technologies:
AI/ML
https://blog.spip.net/Mise-a-jour-critique-de-securite-sortie-de-SPIP-4-4-21.ht…
https://github.com/rapid7/metasploit-framework/pull/21790
https://github.com/rapid7/metasploit-framework/pull/21790/commits/b16eca819abb8…
https://github.com/rapid7/metasploit-framework/pull/21790#issuecomment-53680381…