CVE-2026-79901 Predictable Active Directory service-account passwords in BoKS Manager
Attackers can predict Active Directory service-account passwords in BoKS Manager deployments using keytab management, enabling offline verification and potential account takeover.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-79901?
CVE-2026-79901 is a critical vulnerability in Fortra BoKS Manager boks-server, published on 1 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In deployments using BoKS keytab management, affected versions of boks_keytabmd generate Active Directory service-account passwords from a predictable pseudo-random sequence seeded with the current Unix timestamp. An attacker who knows the service principal and can estimate the password-change time can reproduce a limited candidate set and verify candidates offline.
Weakness: CWE-338
Which versions are affected by CVE-2026-79901?
How do I fix CVE-2026-79901?
No fix has been published for CVE-2026-79901 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-79901 being exploited?
There is no known exploitation of CVE-2026-79901 in the wild and no public exploit code.
Sources
Also known as GHSA-v6pf-6px3-6h92.