What is CVE-2026-79901?

CVE-2026-79901 is a critical-severity vulnerability in Fortra Boks Manager Boks-Server, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 9.9/10. Published 2026-10-01.

How severe is CVE-2026-79901?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Vulnerability in Fortra Boks Manager Boks-Server

CVE-2026-79901

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.

Published 2026-10-01 · last modified 2026-10-01.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Fortra Boks Manager Boks-Server

Weakness classification (CWE)

CWE-338 — Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

References

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Frequently asked questions

What is CVE-2026-79901?: CVE-2026-79901 is a critical-severity vulnerability in Fortra Boks Manager Boks-Server, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 9.9/10. Published 2026-10-01.
How severe is CVE-2026-79901?: Critical severity. CVSS v3 base score is 9.9 out of 10.