CVE-2026-39938

Cacti: Unauthenticated RCE on Graph Image

Published Jun 24, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Cacti
Cacti cacti
Vendors & Products Cacti
Cacti cacti
Type Values Removed Values Added
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.
Title Cacti: Unauthenticated RCE on Graph Image
Weaknesses CWE-22
CWE-78
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jun 26, 2026, 3:55 AM
Reserved
Apr 7, 2026, 10:40 PM
Status
Analyzed
Published
Jun 24, 2026, 11:16 PM
Modified
Jun 26, 2026, 5:16 AM