by Kastro
Paper/Archive/CVE-2026-39938

CVE-2026-39938

Cacti cacti — Cacti: Unauthenticated RCE on Graph Image

EPSS 0.7%CVSS 9.8
critical.is priorityof 100
40
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 52.9.529 × 2010.6No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
cacti< 1.2.31–CNA

Scores by source

GitHub_M (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refgithub.com/Cacti/cacti/security/advisories/GHSA-rm7p-qcqm-x5m6refgithub.com/Cacti/cacti/commit/9871f0cef9af285398d558c9b3188d5977e01a04