CVE-2026-40941 Cacti: Package Import Signature Validation Bypass Allows Self-Signed Packages
Attackers can bypass signature validation to install self-signed packages in Cacti, potentially leading to code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-40941?
CVE-2026-40941 is a high-severity vulnerability in Cacti Cacti, published on 25 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-347
Which versions are affected by CVE-2026-40941?
It affects 1 product.
Products include Cacti Cacti.
How do I fix CVE-2026-40941?
Upgrade to a fixed version.
Is CVE-2026-40941 being exploited?
There is no known exploitation of CVE-2026-40941 in the wild and no public exploit code.
Other vulnerabilities in Cacti Cacti
- CVE-2022-46169 Cacti Command Injection
- CVE-2026-39893 Cacti: Pre-authentication SQL injection via rfilter RLIKE clause in graph_view.php
- CVE-2026-39938 Cacti: Unauthenticated RCE on Graph Image
- CVE-2026-39955 Cacti has Pre-Authentication SQL Injection via unanchored FILTER_VALIDATE_REGEXP in graph_view.php
- CVE-2023-39361 Unauthenticated SQL Injection in graph_view.php in Cacti
Sources
Also known as DEBIAN-CVE-2026-40941, GHSA-274c-97hj-pv2v, UBUNTU-CVE-2026-40941.