Improper Verification of Cryptographic Signature in Cacti - CVE-2026-40941
Published: June 19, 2026
Vulnerability identifier: #VU134957
CSH Severity: Medium
CVSS v4: 6.9 [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]
CVE-ID: CVE-2026-40941
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Cacti
How to mitigate CVE-2026-40941
Install security update from vendor's website.
Cacti - update to 1.2.31