CVE-2026-9863

Core Privileged Access Manager (BoKS) upgrade tooling command injection vulnerability

Published Jun 15, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
Fortra BoKS Manager contains an OS command injection vulnerability in the client upgrade and patch tooling for legacy tar-based client installations. A malicious or compromised legacy tar-installed client selected for upgrade or patching may be able to cause commands to be executed on the BoKS Master during client version handling.

Remediation

Vendor Solution

Upgrade to boks-server 8.1.0.23 or 9.0.0.5.


Vendor Workaround

Until fixed builds are deployed, only run BoKS client upgrade or patch operations for legacy tar-based client installations against trusted clients. Avoid running boks_upgrade upgrade or patch operations for legacy tar-installed clients that may be compromised or controlled by an untrusted party.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Fortra
Fortra core Privileged Access Manager (boks)
Vendors & Products Fortra
Fortra core Privileged Access Manager (boks)
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Fortra BoKS Manager contains an OS command injection vulnerability in the client upgrade and patch tooling for legacy tar-based client installations. A malicious or compromised legacy tar-installed client selected for upgrade or patching may be able to cause commands to be executed on the BoKS Master during client version handling.
Title Core Privileged Access Manager (BoKS) upgrade tooling command injection vulnerability
Weaknesses CWE-78
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Fortra
Published
Updated
Jun 15, 2026, 4:08 PM
Reserved
May 28, 2026, 4:37 PM
Status
Analyzed
Published
Jun 15, 2026, 4:16 PM
Modified
Oct 25, 2026, 11:10 PM