CVE-2026-77654 Local Privilege Escalation via Misconfigured Sudoers Entry in Horizon Security Analyzer
Local attackers can escalate privileges by abusing parameters in a misconfigured sudoers entry within Horizon Security Analyzer.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-77654?
CVE-2026-77654 is a medium-severity vulnerability in Algosec Horizon Security Analyzer, published on 8 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Improper Privilege Management vulnerability in Horizon Security Analyzer (formerly AlgoSec Firewall Analyzer) on Linux, 64 bit allows Privilege Escalation and Parameter Injection.
A local user with access to the command line may escalate their privileges by abusing the parameters of a command that is approved in the sudoers file.
This issue affects Horizon Security Analyzer : A33.10, A33.20 and A33.30.
Weakness: CWE-266
Which versions are affected by CVE-2026-77654?
How do I fix CVE-2026-77654?
No fix has been published for CVE-2026-77654 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-77654 being exploited?
There is no known exploitation of CVE-2026-77654 in the wild and no public exploit code.
Sources
Also known as GHSA-3pwx-5g7f-2mvm.