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CVE-2026-9864— Fortra BoKS Server Agent adjoin machine-account password generation vulnerability

Quick assessment

Affected
Fortra Core Privileged Access Manager (BoKS)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Fortra BoKS Server Agent 中的 adjoin 工具存在一个可预测的密码生成漏洞。在加入 Active Directory 或执行密码更新操作时生成的机器账户密码，其随机性（熵）可能远低于预期，从而更容易被能够估算密码生成时间的攻击者所预测。

CVSS 4.8 · Medium
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I. Basic Information for CVE-2026-9864

Vulnerability Information
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Vulnerability Title
Fortra BoKS Server Agent adjoin machine-account password generation vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Fortra BoKS Server Agent contains a predictable password generation vulnerability in the adjoin utility. Machine-account passwords generated during Active Directory join or password renewal operations may have significantly less entropy than intended, making them more susceptible to prediction by an attacker who can estimate when the password was generated.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用具有密码学弱点缺陷的PRNG
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Fortra Core Privileged Access Manager (BoKS) 8.1.0.0 ~ 8.1.0.29 -

II. Public POCs for CVE-2026-9864

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III. Intelligence Information for CVE-2026-9864

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Other References for CVE-2026-9864 (1)

Same Patch Batch · Fortra · 2026-10-01 · 8 CVEs total

CVE-2026-79901 9.9 CRITICAL Predictable Active Directory service-account passwords in BoKS Manager
CVE-2026-12627 9.8 CRITICAL Fortra's Core Privileged Access Manager (BoKS) autoregistration stack buffer overflow vuln
CVE-2026-79898 9.1 CRITICAL Fortra BoKS Manager crlserver command injection vulnerability
CVE-2026-14316 8.1 HIGH Heap buffer overflow in boks_sshd revoked-key error handling
CVE-2026-79899 7.9 HIGH Fortra BoKS Manager bccgethostcert insecure temporary file vulnerability
CVE-2026-79896 7.5 HIGH Fortra BoKS Manager boks_portmux TLS ClientHello out-of-bounds read vulnerability
CVE-2026-79900 6.5 MEDIUM Heap overflow in KSL checksum initialization

IV. Related Vulnerabilities

Same product: Core Privileged Access Manager (BoKS)
Same vendor: Fortra
Same weakness: CWE-338

V. Comments for CVE-2026-9864

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