PYSEC-2026-2703 Open WebUI has Improper Authorization Control

CONFIDENTIAL Vulnerability Disclosure Analysis Documentation --- Vulnerability Details | | Field | Value | |---|-------|-------| | 1 | Discoverer | Taylor Pennington of KoreLogic, Inc. | | 2 | Date Submitted | June 11, 2024 | | 3 | Title | Open WebUI Improper Authorization Control | | 5 | Affecte...

Open WebUI's Model Import Overwrites Any Model Without Ownership Check

Model Import Overwrites Any Model Without Ownership Check Affected ComponentModel import endpoint:- backend/openwebui/routers/models.py lines 254-308, importmodels Affected VersionsCurrent main branch commit 6fdd19bf1 and likely all versions with model import functionality. DescriptionThe POST...

Open WebUI vulnerable to Global Knowledge Base Enumeration via knowledge-bases Meta-Collection

Global Knowledge Base Enumeration via knowledge-bases Meta-Collection Affected ComponentRetrieval collection access validation:- backend/openwebui/routers/retrieval.py lines 2330-2355, validatecollectionaccess- backend/openwebui/routers/retrieval.py query endpoints, e.g. POST /query/doc Affected...

Open WebUI Vulnerable to Arbitrary File Upload and Path Traversal

CONFIDENTIAL KL-CAN-2024-002 Vulnerability Details| | Field | Value ||---|-------|-------|| 1 | Discoverer | Jaggar Henry & Sean Segreti of KoreLogic, Inc. || 2 | Date Submitted | 2024.03.12 || 3 | Title | Open WebUI Arbitrary File Upload + Path Traversal || 5 | Affected Vendor | Open WebUI || 6 ...

PYSEC-2026-2711 Open WebUI's Channel Access Grants Bypass filter_allowed_access_grants

Channel Access Grants Bypass filterallowedaccessgrants Affected Component Channel creation and update endpoints: - backend/openwebui/routers/channels.py lines 291-340, createnewchannel - backend/openwebui/routers/channels.py lines 617-638, updatechannelbyid - backend/openwebui/models/channels.py...

Open WebUI's Base Model Routing Bypasses Access Control via Model Chaining

Base Model Routing Bypasses Access Control via Model Chaining Affected ComponentModel chaining via basemodelid:- backend/openwebui/routers/models.py lines 170-214, createnewmodel- backend/openwebui/routers/models.py lines 254-308, importmodels- backend/openwebui/main.py lines 1696-1711, base mode...

PyLoad vulnerable to unauthenticated traceback disclosure via global exception handler in WebUI

Summarypyload-ng WebUI returns full Python traceback details to clients on unhandled exceptions.Because /web/ is reachable without authentication and renders attacker-controlled template names, an unauthenticated user can reliably trigger a server exception for example by requesting a non-existen...

PYSEC-2026-2397 beets has a Cross-site Scripting vulnerability

During code logic analyis, an area that may lead to unintended behavior under specific conditions was discovered. Overview - Verified Version: 80cd21554124da07d17a4f962c7d770a4f70d0f2 - Vulnerability Type: Stored XSS - Affected Location: beetsplug/web/templates/index.html:42 - Trigger Scenario:...

Apache Airflow's authenticated /ui/dags endpoint did not enforce per-DAG access control on embedded Human-in-the-Loop (HITL) and TaskInstance record

The authenticated /ui/dagsendpoint did not enforce per-DAG access control on embedded Human-in-the-Loop HITL and TaskInstance records: a logged-in Airflow user with read access to at least one DAG could retrieve HITL prompts including their request parameters and full TaskInstance details for DAG...

PYSEC-2026-2765 Open WebUI's Insecure Direct Object Reference (IDOR) allows access to other users' memories

Summary Any authenticated user can read other users' private memories via /api/v1/retrieval/query/collection Details Vulnerability 1: Missing authorization in collection querying In backend/openwebui/routers/retrieval.py, the querycollectionhandler function accepts a list of collectionnames but...

PYSEC-2026-2693 Open WebUI has unauthorized deletion of knowledge files

Summary An access control check is missing when deleting a file from a knowledge base. The only check being done is that the user has write access to the knowledge base or is admin, but NOT that the file actually belongs to this knowledge base. It is thus possible to delete arbitrary files from...

Open WebUI vulnerable to Path Traversal in `POST /api/v1/audio/transcriptions`

SummaryAn 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-2026-3054 Rucio WebUI has a Stored Cross-site Scripting (XSS) vulnerability its Identity Name

Summary A stored Cross-site Scripting XSS vulnerability was identified in the Identity Name 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 Web...

PYSEC-2026-3053 Rucio WebUI has Username Enumeration via Login Error Message

Summary The WebUI login endpoint returns distinct error messages depending on whether a supplied username exists, allowing unauthenticated attackers to enumerate valid usernames. Details When submitting invalid credentials to /ui/login, the WebUI responds with different error messages based on th...

PT-2026-59360

CONFIDENTIAL KL-CAN-2024-002 Vulnerability Details | | Field | Value | |---|-------|-------| | 1 | Discoverer | Jaggar Henry & Sean Segreti of KoreLogic, Inc. | | 2 | Date Submitted | 2024.03.12 | | 3 | Title | Open WebUI Arbitrary File Upload + Path Traversal | | 5 | Affected Vendor | Open WebUI...

PT-2026-59677

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...

The vulnerability of the setStorageCfg function in the /cgi-bin/cstecgi.cgi file of the CGI Handler component of the TOTOLINK A8000RU router’s software, allowing a malicious actor to execute arbitrary commands.

The vulnerability of the setStorageCfg function in the /cgi-bin/cstecgi.cgi file of the CGI Handler component of the TOTOLINK A8000RU router’s software is related to the lack of measures taken to neutralize special elements. Exploiting this vulnerability allows a remote attacker to execute...

The vulnerability of the sheet_to_html() function in the artificial intelligence-based web interface Open WebUI allows attackers to perform cross-site scripting attacks (XSS).

The vulnerability of the sheettohtml function in the Open WebUI artificial intelligence-based web interface exists due to the lack of measures taken to protect the structure of the web page. Exploiting this vulnerability allows a malicious actor to perform cross-site scripting attacks XSS remotel...

The vulnerability of the innerHTML component of the Open WebUI web interface allows a attacker to execute arbitrary JavaScript code.

The vulnerability of the innerHTML component in the Open WebUI-based web interface is related to the lack of measures taken to protect the structure of the web page. Exploiting this vulnerability allows a remote attacker to execute arbitrary JavaScript code...

The vulnerability of the REST API interface implementation of the Splunk Enterprise platform for operational analysis allows a perpetrator to execute arbitrary code.

The vulnerability of the REST API interface implementation of the Splunk Enterprise platform for operational analysis is related to the lack of security measures for the website structure. Exploiting this vulnerability allows a malicious actor to execute arbitrary code remotely...