CVE-2026-57910 WatchGuard Agent improper authentication allows unauthenticated remote code execution
Unauthenticated attackers can execute arbitrary code with elevated privileges on WatchGuard Agent due to improper authentication.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-57910?
CVE-2026-57910 is a critical authentication bypass vulnerability in WatchGuard Agent, published on 25 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper authentication in the WatchGuard Agent allows an unauthenticated attacker with network access to cause the agent to execute arbitrary code with elevated privileges.
Which versions are affected by CVE-2026-57910?
How do I fix CVE-2026-57910?
No fix has been published for CVE-2026-57910 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-57910 being exploited?
There is no known exploitation of CVE-2026-57910 in the wild and no public exploit code.
Sources
Also known as GHSA-6c89-2v98-5qj2.