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CVE-2026-77647

SPIP before 4.4.20 allows unauthenticated remote attackers to execute arbitrary code, as exploited in the wild in August 2026.

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 4.4.20
1 Metasploit module, 1 proof of concept on GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: total

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: total

  3. Record last updated

Affected versions

  • SPIP SPIP

    fixed in 4.4.20

References 4

blog.spip.net

lists.debian.org

GitHub · rapid7/metasploit-framework

GitHub · Nxploited/CVE-2026-77647