CVE-2026-9863

What it is

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.

At a glance

Exploitability

Can be exploited over the network without logging in, but needs a user to act. High risk of data exposure, data tampering, service disruption.

Exploit odds

0.6% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2026-06-15 16:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-10-25 23:10 UTC Last updatedMost recent change to the record

Details

Published

2026-06-15 16:16 UTC

Last modified

2026-10-25 23:10 UTC

Exploit probability

0.6% · EPSS, next 30 days

Weakness

CWE-78 · OS command injection

Record status

Analyzed

Affected

• Fortra Core Privileged Access Manager Server < 8.1.0.23
• Fortra Core Privileged Access Manager Server < 9.0.0.5

Attack profile CVSS 3.1 · 7.5

Attack vector

Network

Complexity

High

Privileges needed

None

User interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High