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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (16.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 16.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Cacti — versions < 1.2.31
Weakness classification (CWE)
References
- github.com/Cacti/cacti/pull/7054 (Patch, Issue Tracking)
- github.com/Cacti/cacti/releases/tag/release/1.2.31 (Product, Release Notes)
- github.com/Cacti/cacti/security/advisories/GHSA-274c-97hj-pv2v (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.