CVE-2026-77806
criticalpriority · track · 12EPSS 0.045 · 91 %ileexploit · PoCRUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (1)
Public proof-of-concept and weaponised exploit code.
- CuteeCat/CVE-2026-77806CVE-2026-77806漏洞检测代码PoC · poc_in_github
affected products (1)
Products and version ranges known to be affected.
also known as (1)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4) nvd
External citations — patches, advisories, analysis.
- https://blog.spip.net/Mise-a-jour-critique-de-securite-sortie-de-SPIP-4-4-21.html
- https://github.com/rapid7/metasploit-framework/pull/21790
- https://github.com/rapid7/metasploit-framework/pull/21790#issuecomment-5368038123
- https://github.com/rapid7/metasploit-framework/pull/21790/commits/b16eca819abb8f1401f21d115e71e3dfc67b847c
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