CVE-2026-77647
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| SPIP | SPIP | 0 < 4.4.20 | affected |
Weaknesses
- CWE-94: CWE-94 Improper Control of Generation of Code ('Code Injection')
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
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