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CVE-2026-6832— Nesquena Hermes WebUI Arbitrary File Deletion via Unvalidated session_id

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存在路径遍历漏洞，该漏洞源于/api/session/delete端点存在任意文件删除问题，允许经过身份验证的攻击者通过在session_id参数中提供绝对路径或路径遍历有效载荷，删除会话目录之外的文件。

CVSS 8.1 · High EPSS 0.68% · P51

Affected Version Matrix 1

VendorProduct Version RangeStatus
nesquena hermes-webui < PR #409 affected
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I. Basic Information for CVE-2026-6832

Vulnerability Information
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Vulnerability Title
Nesquena Hermes WebUI Arbitrary File Deletion via Unvalidated session_id
Source: CVE Program / CVE List V5
Vulnerability Description
Hermes WebUI contains an arbitrary file deletion vulnerability in the /api/session/delete endpoint that allows authenticated attackers to delete files outside the session directory by supplying an absolute path or path traversal payload in the session_id parameter. Attackers can exploit unvalidated session identifiers to construct paths that bypass the SESSION_DIR boundary and delete writable JSON files on the host system.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Hermes Web UI 路径遍历漏洞
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存在路径遍历漏洞，该漏洞源于/api/session/delete端点存在任意文件删除问题，允许经过身份验证的攻击者通过在session_id参数中提供绝对路径或路径遍历有效载荷，删除会话目录之外的文件。
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 ~ PR #409 -

II. Public POCs for CVE-2026-6832

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III. Intelligence Information for CVE-2026-6832

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Patches & Fixes for CVE-2026-6832 (3)

Same Patch Batch · nesquena · 2026-04-21 · 3 CVEs total

CVE-2026-6829 6.3 MEDIUM nesquena hermes-webui Arbitrary Workspace Directory Access
CVE-2026-6830 3.3 LOW Nesquena Hermes WebUI Environment Variable Credential Leakage via Profile Switch

IV. Related Vulnerabilities

Same product: hermes-webui
Same vendor: nesquena
Same weakness: CWE-22

V. Comments for CVE-2026-6832

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