CVE-2026-39902

HighCVSS 7.2/10Last modified Oct 23, 2026

Description

Cacti is an open source performance and fault management framework. Prior to version 1.2.31, the prior blocklist ([;&| `$\\n\r]) omitted single-quote, double-quote, redirect operators, subshell parens and braces. An authenticated admin could save an input_string` containing single-quote, redirect operator, or subshell parens, and pass the check. This issue has been patched in version 1.2.31.

Metrics

CVSS 3.1 7.2/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-78

Affected software

Vendor	Product	Versions
Cacti	cacti	< 1.2.31

References

Timeline

Published: Oct 23, 2026
Last modified: Oct 23, 2026
NVD status: Deferred

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