CVE-2026-40941

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.

CVSS v3.1 Score

6.5

MEDIUM

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

EPSS — Exploit Prediction

0.0016

Probability of exploitation

0.05%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-347 CWE-347

Affected Products

Vendor	Product	Versions
cacti	cacti	< 1.2.31

References

Advisories & Patches

https://github.com/Cacti/cacti/pull/7054 https://github.com/Cacti/cacti/security/advisories/GHSA-274c-97hj-pv2v

Other References

https://github.com/Cacti/cacti/releases/tag/release%2F1.2.31

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2026-40941? +

CVE-2026-40941 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0016, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-40941? +

CVE-2026-40941 affects products from cacti, specifically: cacti. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-40941? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-44720

OpenLearnX is an open-source, decentralized learning and assessment platform. Prior to 2.0.4, a critical authentication vulnerability was identified in OpenLearnX …

CVE-2025-24800

Hyperbridge is a hyper-scalable coprocessor for verifiable, cross-chain interoperability. A critical vulnerability was discovered in the ismp-grandpa crate, that allowed …

CVE-2025-27498

aes-gcm is a pure Rust implementation of the AES-GCM. In decrypt_in_place_detached, the decrypted ciphertext (which is the correct ciphertext) is …

CVE-2024-11957

Improper verification of the digital signature in ksojscore.dll in Kingsoft WPS Office in versions equal or less than 12.1.0.18276 on …

CVE-2025-29774

xml-crypto is an XML digital signature and encryption library for Node.js. An attacker may be able to exploit a vulnerability …

CVE-2025-29775