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CVE-2026-59996

Quick assessment

Affected
OpenBSD OpenSSH
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.

OpenBSD OpenSSH是加拿大OpenBSD基金会开源的一套用于安全访问远程计算机的连接工具。该工具是SSH协议的开源实现,支持对所有的传输进行加密,可有效阻止窃听、连接劫持以及其他网络级的攻击。 OpenBSD OpenSSH 10.4之前版本存在路径遍历漏洞，该漏洞源于在远程复制操作中将文件放置在目标目录的父目录中，可能导致路径遍历。

CVSS 4.2 · Medium EPSS 0.25% · P17

Possible ATT&CK Techniques 1 AI

T1105 · Ingress Tool Transfer

Affected Version Matrix 1

VendorProduct Version RangeStatus
OpenBSD OpenSSH < 10.4 affected
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I. Basic Information for CVE-2026-59996

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when the copy occurs between two remote destinations.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
相对路径遍历
Source: CVE Program / CVE List V5
Vulnerability Title
OpenBSD OpenSSH 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenBSD OpenSSH是加拿大OpenBSD基金会开源的一套用于安全访问远程计算机的连接工具。该工具是SSH协议的开源实现,支持对所有的传输进行加密,可有效阻止窃听、连接劫持以及其他网络级的攻击。 OpenBSD OpenSSH 10.4之前版本存在路径遍历漏洞，该漏洞源于在远程复制操作中将文件放置在目标目录的父目录中，可能导致路径遍历。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
OpenBSD OpenSSH 0 ~ 10.4 -

II. Public POCs for CVE-2026-59996

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III. Intelligence Information for CVE-2026-59996

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Mailing List Discussions for CVE-2026-59996 (2)

Other References for CVE-2026-59996 (1)

Same Patch Batch · OpenBSD · 2026-07-08 · 8 CVEs total

CVE-2026-60002 7.7 HIGH OpenBSD OpenSSH 资源管理错误漏洞
CVE-2026-60001 6.5 MEDIUM OpenBSD OpenSSH 资源管理错误漏洞
CVE-2026-59999 5.9 MEDIUM OpenBSD OpenSSH 信任管理问题漏洞
CVE-2026-59998 4.8 MEDIUM OpenBSD OpenSSH 处理逻辑错误漏洞
CVE-2026-59995 4.2 MEDIUM OpenBSD OpenSSH 路径遍历漏洞
CVE-2026-59997 4.2 MEDIUM OpenBSD OpenSSH 输入验证错误漏洞
CVE-2026-60000 3.7 LOW OpenBSD OpenSSH 资源管理错误漏洞

IV. Related Vulnerabilities

Same product: OpenSSH
Same vendor: OpenBSD
Same weakness: CWE-23

V. Comments for CVE-2026-59996

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