OS Command Injection Vulnerability in Fortra BoKS Manager
CVE-2026-9863

7.5HIGH

Key Information:

Vendor

Fortra
Status
Core Privileged Access Manager (boks)
Vendor
CVE Published:
15 June 2026

What is CVE-2026-9863?

Fortra BoKS Manager has a security flaw that allows for OS command injection via its client upgrade and patching mechanisms for legacy tar-based installations. If a legacy tar-installed client, which is being upgraded or patched, is compromised, it can leverage this vulnerability to execute arbitrary commands on the BoKS Master. This risk emphasizes the need for vigilant management of legacy client installations and securing upgrade processes.

Affected Version(s)

Core Privileged Access Manager (BoKS) boks-server 8.1.0.0

Core Privileged Access Manager (BoKS) boks-server 9.0.0.0

References

https://www.fortra.com/security/advisories/product-securi...
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Fortra internal security assessment
.