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CVE-2026-11322— Hermes WebUI before 0.51.221 Path Traversal via Symlink Workspace Bypass

Quick assessment

Affected
nesquena Hermes WebUI
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.

Hermes Web UI是Nathan Esquenazi个人开发者的一个轻量级、暗色主题的自主智能体Web界面。 Hermes Web UI v0.51.221之前版本存在后置链接漏洞，该漏洞源于路径遍历问题，可能导致攻击者通过提供符号链接逃逸工作区边界，读取外部主机文件并泄露敏感数据。

CVSS 6.5 · Medium EPSS 0.32% · P23

Affected Version Matrix 1

VendorProduct Version RangeStatus
nesquena Hermes WebUI < 0.51.221 affected
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I. Basic Information for CVE-2026-11322

Vulnerability Information
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Vulnerability Title
Hermes WebUI before 0.51.221 Path Traversal via Symlink Workspace Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
Hermes WebUI prior to v0.51.221 contains a path traversal vulnerability that allows attackers to escape the workspace boundary by supplying symlinks that resolve to files or directories outside the designated workspace root. Attackers can exploit the workspace file and listing APIs, which resolve symlink targets without enforcing that the final path remains within the workspace, to read external host files accessible to the server process and disclose sensitive data such as SSH keys, cloud credentials, or application tokens.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
Hermes Web UI 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hermes Web UI是Nathan Esquenazi个人开发者的一个轻量级、暗色主题的自主智能体Web界面。 Hermes Web UI v0.51.221之前版本存在后置链接漏洞，该漏洞源于路径遍历问题，可能导致攻击者通过提供符号链接逃逸工作区边界，读取外部主机文件并泄露敏感数据。
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
nesquena Hermes WebUI 0 ~ 0.51.221 -

II. Public POCs for CVE-2026-11322

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III. Intelligence Information for CVE-2026-11322

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Patches & Fixes for CVE-2026-11322 (2)

Vendor Advisories for CVE-2026-11322 (1)

IV. Related Vulnerabilities

Same vendor: nesquena
Same weakness: CWE-59

V. Comments for CVE-2026-11322

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