Assessment
Why it matters
EPSS is 0.6%; technical severity is CVSS 8.8.
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.
Who should care
- Teams operating Core Privileged Access Manager Server
- Vulnerability and exposure management teams
- Security operations teams monitoring exploitation activity
Response plan
What I would do
- Confirm whether Core Privileged Access Manager Server is present in the environment.
- Identify affected versions and establish whether vulnerable services are exposed or reachable.
- Vendor advisory from www.fortra.com
- Review relevant security telemetry for evidence of attempted or successful exploitation.
- Document the remediation decision and track it to verified completion.
Treatment intelligence
Remediation intelligence
Vendor sources are listed before government and third-party guidance. Confirm product applicability and change prerequisites before deployment.
Verification noteAutomated link verification has not completed for this guidance yet.
Technical details
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CWE
- CWE-78
- Affected versions
- Fortra Core Privileged Access Manager Server (Start Including 8.1.0.0, End Excluding 8.1.0.23 | Start Including 9.0.0.0, End Excluding 9.0.0.5)
- Fixed versions
- Fortra Core Privileged Access Manager Server (Fixed from 8.1.0.23, 9.0.0.5)
- Published
- 15 June 2026
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
Signal timeline
- CVE published
- Latest EPSS score: 0.6%
- Signal calculated at 13