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CVE-2026-39938

Cacti: Unauthenticated RCE on Graph Image

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.2.31
2 proofs of concept on GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: total

Summary

Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior have unauthenticated LFI through graph_theme and rrdtool IPC serialization hardening. This issue has been resolved in version 1.2.31.

Timeline

  1. CVE published
  2. CISA SSVC assessment

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

  3. Record last updated

Affected versions

  • Cacti cacti

    fixed in 1.2.31

References 4

GitHub · Cacti/cacti

GitHub · Polosss/By-Poloss..-..CVE-2026-39938

GitHub · kx00007/CVE-2026-39938