PYSEC-2026-2997 pyload-ng has a WebUI JSON permission mismatch that lets ADD/DELETE users invoke MODIFY-only actions

Summary Several WebUI JSON endpoints enforce weaker permissions than the core API methods they invoke. This allows authenticated low-privileged users to execute MODIFY operations that should be denied by pyLoad's own permission model. Confirmed mismatches: - ADD user can reorder packages/files...

PYSEC-2026-2709 Open WebUI has Broken Access Control in Tool Valves

Summary Broken Access Control in Tool Valves Open WebUI supports function calling through "Tools". Function calling allows an LLM to reliably connect to external tools and interact with external APIs. Exemplary use-cases include connecting to an internal knowledge base, retrieving emails from an...

PYSEC-2026-2764 Open WebUI vulnerable to Path Traversal in `POST /api/v1/audio/transcriptions`

Summary An unsanitised filename field in the speech-to-text transcription endpoint allows any authenticated non-admin user to trigger a FileNotFoundError whose message — including the server's absolute DATADIR path — is returned verbatim in the HTTP 400 response body, confirming information...

PYSEC-2026-3057 Rucio WebUI has Stored Cross-site Scripting (XSS) in RSE Metadata

Summary A stored Cross-site Scripting XSS vulnerability was identified in the RSE metadata of the WebUI where attacker-controlled input is persisted by the backend and later rendered in the WebUI without proper output encoding. This allows arbitrary JavaScript execution in the context of the WebU...

PYSEC-2026-3055 Rucio WebUI has a Stored Cross-site Scripting (XSS) Vulnerability in its Custom RSE Attribute

Summary A stored Cross-site Scripting XSS vulnerability was identified in the Custom RSE Attribute of the WebUI where attacker-controlled input is persisted by the backend and later rendered in the WebUI without proper output encoding. This allows arbitrary JavaScript execution in the context of...

PYSEC-2026-3056 Rucio WebUI has a Reflected Cross-site Scripting Vulnerability

Summary A reflected Cross-site Scripting vulnerability was located in the rendering of the ExceptionMessage of the WebUI 500 error which could allow attackers to steal login session tokens of users who navigate to a specially crafted URL. Details The WebUI error message renders ExceptionMessage...

PYSEC-2026-3058 Rucio WebUI Vulnerable to Stored Cross-site Scripting (XSS) through Custom Rule Function

Summary A stored Cross-site Scripting XSS vulnerability was identified in the Custom Rules function of the WebUI where attacker-controlled input is persisted by the backend and later rendered in the WebUI without proper output encoding. This allows arbitrary JavaScript execution in the context of...

The vulnerability of the Open WebUI web interface, related to the lack of permission checking, allows a violator to gain read access, modify data, and increase their privileges.

The vulnerability of the Open WebUI web interface relates to the lack of permission checking for workspace.models.import. Exploiting this vulnerability can allow an attacker, operating remotely, to gain read access, modify data, and enhance their privileges by sending a specially crafted POST...

EUVD-2026-42726

Hermes WebUI before 0.51.307 contains an authentication bypass vulnerability that allows unauthenticated remote attackers to circumvent local-origin IP restrictions on onboarding endpoints by supplying a spoofed X-Forwarded-For header with a loopback address. Attackers can exploit this bypass to...

CVE-2026-58123

Hermes WebUI before 0.51.788 contains an unauthenticated remote code execution vulnerability that allows remote attackers to execute arbitrary shell commands by accessing the embedded terminal API endpoints without credentials. Attackers can create a session, attach a PTY shell, and write arbitra...

CVE-2026-58122

Hermes WebUI before 0.51.307 contains an authentication bypass vulnerability that allows unauthenticated remote attackers to circumvent local-origin IP restrictions on onboarding endpoints by supplying a spoofed X-Forwarded-For header with a loopback address. Attackers can exploit this bypass to...

CVE-2026-58123

Technical details (affected version 0.51.788, exploit steps, impact) are not publicly available in the provided documents. Monitor for updates.

CVE-2026-58123 Hermes WebUI < 0.51.788 Unauthenticated RCE via Terminal API

Hermes WebUI before 0.51.788 contains an unauthenticated remote code execution vulnerability that allows remote attackers to execute arbitrary shell commands by accessing the embedded terminal API endpoints without credentials. Attackers can create a session, attach a PTY shell, and write arbitra...

CVE-2026-58123 Hermes WebUI < 0.51.788 Unauthenticated RCE via Terminal API

Hermes WebUI before 0.51.788 contains an unauthenticated remote code execution vulnerability that allows remote attackers to execute arbitrary shell commands by accessing the embedded terminal API endpoints without credentials. Attackers can create a session, attach a PTY shell, and write arbitra...

CVE-2026-55443 vulnerabilities

Vulnerabilities for packages: open-webui...

CVE-2026-55443 vulnerabilities

Vulnerabilities for packages: open-webui...

CVE-2026-59226

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 before 0.10.0, executeautomation rehydrated automation owners without rechecking that they were still active or still had features.automations, and checkmodelaccess only enforced private-model grants...

CVE-2026-59715

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.6.16 before 0.10.0, the Socket.IO server is configured with alwaysconnect=True. The ydoc:awareness:update and ydoc:document:leave Socket.IO handlers accepted collaborative-document events without requirin...

CVE-2026-59220

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.2 before 0.10.0, the SKILLMENTIONRE and stripre regular expressions in backend/openwebui/utils/middleware.py parsed skill mentions with overlapping quantifiers, allowing an authenticated chat message...

CVE-2026-59222

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.7.0 before 0.10.0, GET /api/v1/channels//members returned full UserModelResponse objects for channel members, including settings.ui.toolServers.key and webhook configuration, allowing a normal channel...