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

Base Model Routing Bypasses Access Control via Model Chaining Affected Component Model 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...

Open WebUI: Redis Cache Keys tool_servers and terminal_servers Missing Instance Prefix Enable Cross-Instance Cache Poisoning

Redis Cache Keys toolservers and terminalservers Missing Instance Prefix Enable Cross-Instance Cache Poisoning Affected Component Tool server and terminal server Redis cache: - backend/openwebui/utils/tools.py line 841, toolservers SET - backend/openwebui/utils/tools.py line 850, toolservers GET ...

GHSA-3X8W-4F7P-XXC2 Open WebUI: Redis Cache Keys tool_servers and terminal_servers Missing Instance Prefix Enable Cross-Instance Cache Poisoning

Redis Cache Keys toolservers and terminalservers Missing Instance Prefix Enable Cross-Instance Cache Poisoning Affected Component Tool server and terminal server Redis cache: - backend/openwebui/utils/tools.py line 841, toolservers SET - backend/openwebui/utils/tools.py line 850, toolservers GET ...

Missing Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Missing Authorization via the createfolder process. An attacker can create unauthorized folders in another user's account, potentially flooding the victim's folder tree or planting phishing content, by...

Improper Authentication

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Improper Authentication in the LdapForm process. An attacker can gain unauthorized access to any LDAP user account, including administrative accounts, by submitting a valid username with an empty password to...

GHSA-2R4P-JPMG-48F4 Open WebUI has an LDAP Empty Password Authentication Bypass

LDAP Empty Password Authentication Bypass Affected Component LDAP authentication endpoint: - backend/openwebui/routers/auths.py lines 468-477, user bind with empty password - backend/openwebui/models/auths.py lines 58-60, LdapForm model Affected Versions Current main branch commit 6fdd19bf1 and...

GHSA-GF5M-WCRH-7928 open-webui Vulnerable to Stored XSS via Model Description

!IMPORTANT Relationship to CVE-2024-7990 CVE-2024-7990 issued by huntr.dev, March 2025 describes a stored XSS in the same field — the model description — but exploits a different bypass mechanism: a second-order injection through the sanitizeResponseContent function's video-tag placeholder...

PT-2026-39275

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.0 Description The channel router fails to call the filter allowed access grants function during the creation or update of channels. This function is intended to strip unauthorized wildcard grants such as...

PT-2026-39272

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.0 Description Open WebUI supports model composition through the base model id variable, allowing a user-defined model to reference a base model for inference. An access control flaw exists where the system...

EUVD-2026-27995

Insufficient policy enforcement in WebUI in Google Chrome on Linux, Mac, Windows, ChromeOS prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-41314 vulnerabilities

Vulnerabilities for packages: open-webui, litellm, nemo...

CVE-2026-41312 vulnerabilities

Vulnerabilities for packages: open-webui, litellm, nemo...

CVE-2026-42284 vulnerabilities

Vulnerabilities for packages: opal, open-webui, datahub-ingestion-fips, checkov, mlflow-fips, awx, mlflow...

CVE-2026-41425 vulnerabilities

Vulnerabilities for packages: pgadmin4-fips, open-webui, datahub-ingestion-fips, airflow, datahub-ingestion, mlflow...

CVE-2026-41205 vulnerabilities

Vulnerabilities for packages: dagster-fips, pgadmin4-fips, dagster, open-webui, prefect-fips, nemo, airflow-core, jupyter-base-notebook, airflow, superset, mlflow...

CVE-2026-7946

Insufficient policy enforcement in WebUI in Google Chrome on Linux, Mac, Windows, ChromeOS prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-7946

Insufficient policy enforcement in WebUI in Google Chrome on Linux, Mac, Windows, ChromeOS prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-7946

Insufficient policy enforcement in WebUI in Google Chrome on Linux, Mac, Windows, ChromeOS prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-7946

Insufficient policy enforcement in WebUI in Google Chrome on Linux, Mac, Windows, ChromeOS prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-7946

Insufficient policy enforcement in WebUI in Google Chrome on Linux, Mac, Windows, ChromeOS prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. Chromium security severity: Medium...