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.
Published: 2026-08-21
Score: 9.8 Critical
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 21 Aug 2026 14:00:00 +0000

Type Values Removed Values Added
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.
First Time appeared Spip
Spip spip
Weaknesses CWE-94
CPEs cpe:2.3:a:spip:spip:*:*:*:*:*:*:*:*
Vendors & Products Spip
Spip spip
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-08-21T13:37:43.289Z

Reserved: 2026-08-21T13:37:42.646Z

Link: CVE-2026-77806

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-21T14:16:53.903

Modified: 2026-08-21T14:16:53.903

Link: CVE-2026-77806

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-21T15:30:05Z

Weaknesses