Vulnerability in Cacti
CVE-2026-40941
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.
EPSS: 0.002 (5.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Cacti — versions < 1.2.31
Weakness classification (CWE)
References
- security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-40941?
- CVE-2026-40941 is a medium-severity vulnerability in Cacti, classified under Improper Verification of Cryptographic Signature. CVSS score: 6.5/10. Published 2026-06-25.
- How severe is CVE-2026-40941?
- Medium severity. CVSS v3 base score is 6.5 out of 10.