CVE-2026-79901

Predictable Active Directory service-account passwords in BoKS Manager

State: Published
Severity: 9.9 Critical
Published: Oct 1, 2026
Updated: Oct 1, 2026
Reserved: Aug 25, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	9.9 Critical	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	Fortra

Weaknesses

CWE-338 Use of cryptographically weak Pseudo-Random number generator (PRNG)

Affected Products

Product	Versions
BoKS Manager boks-serverFortra	before 9.0.0.6Affected

References

https://www.fortra.com/security/advisories/product-security/fi-2026-012

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