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CVE-2026-77806

SPIP

Description

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 9.8EPSS 4.201%Risk 1.35
View source
Published
2026-08-21 14:16:53
Affected versions
<4.4.21
Type
Web application
Last modified
2026-08-21 18:16:52
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H