SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-9863

Fortra BoKS Manager contains an OS command injection vulnerability in the client upgrade and patch tooling for legacy tar-based client installations.

HIGH 8.8EPSS 0.60%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.60%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.60% probability · 47th percentile
CISA KEV
Not listed
Weakness
CWE-78
Affected
fortra/core privileged access manager server
Source
df4dee71-de3a-4139-9588-11b62fe6c0ff

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.