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CVE-2026-60002

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之前版本存在资源管理错误漏洞，该漏洞源于服务器在密钥重新交换期间更改主机密钥时存在释放后重用问题，可能导致客户端受到影响。

CVSS 7.7 · High EPSS 0.47% · P38

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
OpenBSD OpenSSH < 10.4 affected
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I. Basic Information for CVE-2026-60002

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a key re-exchange. (This outcome occurs only on the client side.)
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
OpenBSD OpenSSH 资源管理错误漏洞
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之前版本存在资源管理错误漏洞，该漏洞源于服务器在密钥重新交换期间更改主机密钥时存在释放后重用问题，可能导致客户端受到影响。
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-2026-60002

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-60002

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Mailing List Discussions for CVE-2026-60002 (2)

Other References for CVE-2026-60002 (1)

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

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-2026-59996 4.2 MEDIUM OpenBSD OpenSSH 路径遍历漏洞
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-416

V. Comments for CVE-2026-60002

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