CVE-2026-39938

9.8 criticalEPSS 0.7%

Critical (9.8) in cacti cacti. EPSS 0.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-31)
CWEs: CWE-22, CWE-78
Published: 2026-06-24
Modified: 2026-06-26
Record from: the NVD, synced 2026-10-19

Affected

cacti:cacti

References

https://github.com/Cacti/cacti/commit/9871f0cef9af285398d558c9b3188d5977e01a04
https://github.com/Cacti/cacti/security/advisories/GHSA-rm7p-qcqm-x5m6

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