CVE-2026-77647

critical · 9.8

SPIP before 4.4.20 allows unauthenticated remote attackers to execute arbitrary code, as exploited in the wild in August 2026. This is related to incorrect identification of <?php blocks, and var_export's mishandling of certain cases such as presence of a '<' character.

9.8

CVSS

2.3%

EPSS (exploit prob.)

83rd

EPSS percentile

2026-08-20

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-94

References

https://blog.spip.net/Mise-a-jour-critique-de-securite-sortie-de-SPIP-4-4-20.html
https://lists.debian.org/debian-security-announce/2026/msg00359.html

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-77647