Core Privileged Access Manager (BoKS) upgrade tooling command injection vulnerability
Summary
| CVE | CVE-2026-9863 |
|---|---|
| State | PUBLISHED |
| Assigner | Fortra |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-06-15 16:16:35 UTC |
| Updated | 2026-06-15 16:16:35 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 7.5 HIGH from df4dee71-de3a-4139-9588-11b62fe6c0ff
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Problem Types: CWE-78 | CWE-78 CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | df4dee71-de3a-4139-9588-11b62fe6c0ff | Secondary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 3.1 | CNA | CVSS | 7.5 | HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
HighPrivileges Required
NoneUser Interaction
RequiredScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Fortra | Core Privileged Access Manager BoKS | affected boks-server 8.1.0.0 boks-server 8.1.0.22 custom | Not specified |
| CNA | Fortra | Core Privileged Access Manager BoKS | affected boks-server 9.0.0.0 boks-server 9.0.0.4 custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.fortra.com/security/advisories/product-security/fi-2026-008 | df4dee71-de3a-4139-9588-11b62fe6c0ff | www.fortra.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Fortra internal security assessment (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-06-01T00:00:00.000Z | Issue validated and fixes prepared for BOKS-900 and BOKS81-hotfix branches. |
Solutions
CNA: Upgrade to boks-server 8.1.0.23 or 9.0.0.5.
Workarounds
CNA: 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.
There are currently no legacy QID mappings associated with this CVE.