CVE-2026-40941: Cacti: Package Import Signature Validation Bypass Allows Self-Signed Packages

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-25 · updated 2026-06-29
Weakness: CWE-347

Description

Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior have a package import signature validation bypass allows which allows self-signed packages. This issue has been fixed in version 1.2.31.

Affected products

cacti: before 1.2.31 — fixed in 1.2.31

How to fix

Upgrade to a fixed version: cacti 1.2.31. Check the vendor advisory for mitigations.

References

https://github.com/Cacti/cacti/pull/7054
https://github.com/Cacti/cacti/releases/tag/release%2F1.2.31
https://github.com/Cacti/cacti/security/advisories/GHSA-274c-97hj-pv2v

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