Improper Verification of Cryptographic Signature in Cacti - CVE-2026-40941

 

Improper Verification of Cryptographic Signature in Cacti - CVE-2026-40941

Published: June 19, 2026


Vulnerability identifier: #VU134957
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-40941
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: The Cacti Group, Inc.
Affected software:
Cacti

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass package signature validation and import self-signed packages.

The vulnerability exists due to improper verification of cryptographic signature in the package import signature validation mechanism when processing package imports. A remote attacker can supply a self-signed package to bypass package signature validation and import self-signed packages.


How to mitigate CVE-2026-40941

Install security update from vendor's website.

Sources