CVE-2026-106553
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.
在 OpenSSH 10.6 版本之前的 sshd 中，当 GSSAPI 认证尝试失败时，凭证可能会错误地保留下来。
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I. Basic Information for CVE-2026-106553
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In sshd in OpenSSH before 10.6, credentials can incorrectly persist after failure of a GSSAPIAuthentication authentication attempt.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在范围间的资源转移不正确
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-106553
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-106553 (1)
Same Patch Batch · OpenBSD · 2026-10-06 · 10 CVEs total
| CVE-2026-106585 | 6.5 MEDIUM | OpenSSH 10.6前解压缩漏洞 |
| CVE-2026-106552 | 4.2 MEDIUM | OpenSSH sftp远程目录遍历漏洞 |
| CVE-2026-106582 | 3.7 LOW | OpenSSH <10.6 压缩漏洞 |
| CVE-2026-106587 | 3.6 LOW | OpenSSH 10.6前sshd配置项解析漏洞 |
| CVE-2026-106588 | 3.1 LOW | OpenSSH 10.6及以前macOS 27+沙盒丢失漏洞 |
| CVE-2026-106589 | 2.9 LOW | OpenSSH 10.6及以下版本权限提升漏洞 |
| CVE-2026-106584 | 2.5 LOW | OpenSSH<10.6证书过期时间错误 |
| CVE-2026-106586 | 2.5 LOW | OpenSSH <10.6 restricted关键字隧道转发绕过 |
| CVE-2026-106555 | 2.2 LOW | OpenSSH <10.6 GSSAPI认证状态持久化漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-106553
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