Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-49956— Hermes WebUI < 0.51.269 Profile Isolation Bypass via sessions search

CVSS 6.5 · Medium EPSS 0.27% · P19

Possible ATT&CK Techniques 1AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProductVersion RangeStatus
nesquenahermes-webui< 0.51.269affected
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2026-49956

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Hermes WebUI < 0.51.269 Profile Isolation Bypass via sessions search
Source: NVD (National Vulnerability Database)
Vulnerability Description
Hermes WebUI before version 0.51.269 contains a profile isolation bypass vulnerability that allows authenticated users to access data belonging to other profiles by querying the session search endpoint without active-profile filtering. Attackers can send requests to the sessions search handler to retrieve session titles and transcript message content from profiles other than their own active profile.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
Hermes Web UI 安全漏洞
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 0.51.269之前版本存在安全漏洞，该漏洞源于配置文件隔离绕过问题，可能导致认证用户通过查询会话搜索端点访问其他配置文件的数据。
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

VendorProductAffected VersionsCPESubscribe
nesquenahermes-webui 0 ~ 0.51.269 -

II. Public POCs for CVE-2026-49956

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-49956

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-49956 (1)

Vendor Advisories for CVE-2026-49956 (1)

Vendor Pages for CVE-2026-49956 (1)

Same Patch Batch · nesquena · 2026-06-09 · 5 CVEs total

CVE-2026-499598.8 HIGHHermes WebUI < 0.51.311 RCE via Git Configuration Injection
CVE-2026-499577.7 HIGHHermes WebUI < 0.51.296 Workspace Boundary Bypass via api/workspace.py
CVE-2026-499555.3 MEDIUMHermes WebUI < 0.51.270 Resource Exhaustion via passkey/options
CVE-2026-499585.0 MEDIUMHermes WebUI < 0.51.303 TOCTOU Race Condition via git_discard

IV. Related Vulnerabilities

Same product: hermes-webui
Same vendor: nesquena
Same weakness: CWE-862

V. Comments for CVE-2026-49956

No comments yet

Leave a comment