CVE-2026-9863
Core Privileged Access Manager (BoKS) upgrade tooling command injection vulnerability
- Published
- Updated
- Reserved
- Assigned by
- Fortra
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| FortraCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.60% · top 51% of all CVEs (5 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
Fortra · Core Privileged Access Manager (BoKS)
- affected boks-server 8.1.0.0 – ≤ boks-server 8.1.0.22
- affected boks-server 9.0.0.0 – ≤ boks-server 9.0.0.4
What to do
Solution: Upgrade to boks-server 8.1.0.23 or 9.0.0.5.
Workaround: 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.
References (1)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-9863)Record last updated .