CVE-2026-39951 Cacti: Stored SQL Injection via graph_name_regexp in Reports feature
Attackers can execute arbitrary SQL commands via the graph_name_regexp field in Cacti's Reports feature, potentially accessing or modifying database contents.
- 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-2026-39951?
CVE-2026-39951 is a high-severity SQL injection vulnerability in Cacti Cacti, published on 24 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 Stored SQL Injection vulnerability through graph_name_regexp in the Reports feature. This issue has been fixed in version 1.2.31.
Weakness: CWE-89
Which versions are affected by CVE-2026-39951?
It affects 1 product.
Products include Cacti Cacti.
How do I fix CVE-2026-39951?
Upgrade to a fixed version.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-39951 being exploited?
There is no known exploitation of CVE-2026-39951 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-2026-39951, GHSA-pf37-v86f-5xwp, UBUNTU-CVE-2026-39951.