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: < 1% Very Low
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 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


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: 2026-08-21T17:43:56.771Z

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

Link: CVE-2026-77806

cve-icon Vulnrichment

Updated: 2026-08-21T17:43:42.565Z

cve-icon NVD

Status : Received

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

Modified: 2026-08-21T18:16:52.373

Link: CVE-2026-77806

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-21T16:15:03Z

Weaknesses
  • CWE-94

    Improper Control of Generation of Code ('Code Injection')