Is CVE-2026-40941 in the CISA KEV catalog?

No. CVE-2026-40941 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-40941?

CVE-2026-40941 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2026-40941?

CVE-2026-40941 has an EPSS score of 0.16% (5th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-40941?

Upgrade cacti to 1.2.31 or later.

CVE & CISA-KEV Catalog

CVE-2026-40941

MEDIUM

6.5

CVSS v3

NVD

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.

CWE-347

How to fix

Remediation Available

cactiNVD

Affected:< 1.2.31Fixed in:1.2.31CVE-2026-40941derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.16%probability of exploitation in 30 days

5thpercentile

Low risk: more likely to be exploited than 5% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

github.com

Release Notes1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-29.