CVE-2026-9863
CVE-2026-9863 is a high-severity vulnerability in Fortra Core Privileged Access Manager Server with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (62nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-36731
- Weakness: CWE-78
- Affected product: Fortra Core Privileged Access Manager Server
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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. 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.
- How severe is CVE-2026-9863?
- CVE-2026-9863 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-9863 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-9863?
- CVE-2026-9863 affects Fortra Core Privileged Access Manager Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-9863?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-9863 have an EU (EUVD) identifier?
- Yes. CVE-2026-9863 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36731.
- When was CVE-2026-9863 published?
- CVE-2026-9863 was published on 2026-06-15 and last updated on 2026-07-28.
References
Affected products (1)
- cpe:2.3:a:fortra:core_privileged_access_manager_server:*:*:*:*:*:*:*:*
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