CVE-2026-39938
9.8
CRITICAL
CVSS 3.1
EPSS 0.44%
Description
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.
How to fix CVE-2026-39938
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/cacti—no fix listed
Is CVE-2026-39938 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |