{"id":"CVE-2026-9863","title":"Fortra BoKS Manager contains an OS command injection vulnerability in the client upgrade and patch tooling for legacy tar-based client installations","summary":"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…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-78"],"vendor":"fortra","product":"core_privileged_access_manager_server","affected":["core_privileged_access_manager_server >= 8.1.0.0, < 8.1.0.23","core_privileged_access_manager_server >= 9.0.0.0, < 9.0.0.5"],"patched":["core_privileged_access_manager_server 9.0.0.5"],"published":"2026-06-15","updated":"2026-07-28","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-9863","references":[{"url":"https://www.fortra.com/security/advisories/product-security/fi-2026-008","label":"df4dee71-de3a-4139-9588-11b62fe6c0ff"}],"tags":["nvd"],"epss":0.00595,"epssPercentile":0.46865,"ingestedAt":"2026-07-28T18:38:09.159Z","slug":"CVE-2026-9863","body":"## Overview\n\nFortra 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.\n\n## Affected\n\n- `core_privileged_access_manager_server >= 8.1.0.0, < 8.1.0.23`\n- `core_privileged_access_manager_server >= 9.0.0.0, < 9.0.0.5`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `core_privileged_access_manager_server 9.0.0.5`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}