CVE-2026-13893: Improper Input Validation

Insufficient validation of untrusted input in WebUI in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via malicious network traffic. Chromium security severity: Medium...

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 VersionsCurrent main branch commit 6fdd19bf1 and like...

PT-2026-53570

Summary An unsafe JavaScript evaluation vulnerability in pyLoad’s CAPTCHA processing code allows unauthenticated remote attackers to execute arbitrary code in the client browser and potentially the backend server. Exploitation requires no user interaction or authentication and can result in sessi...

GHSA-52X6-GQ3R-VPF4 vulnerabilities

Vulnerabilities for packages: open-webui...

GHSA-GR75-JV2W-4656 vulnerabilities

Vulnerabilities for packages: open-webui...

GHSA-M2V9-299J-RV96 vulnerabilities

Vulnerabilities for packages: open-webui...

CVE-2026-54531 vulnerabilities

Vulnerabilities for packages: open-webui...

CVE-2026-54530 vulnerabilities

Vulnerabilities for packages: open-webui...

GHSA-52X6-GQ3R-VPF4 vulnerabilities

Vulnerabilities for packages: open-webui...

GHSA-M2V9-299J-RV96 vulnerabilities

Vulnerabilities for packages: open-webui...

GHSA-GR75-JV2W-4656 vulnerabilities

Vulnerabilities for packages: open-webui...

GHSA-JM82-FX9C-MX94 vulnerabilities

Vulnerabilities for packages: open-webui...

GHSA-RRMF-RVHW-RF47 vulnerabilities

Vulnerabilities for packages: open-webui...

CVE-2026-54530 vulnerabilities

Vulnerabilities for packages: open-webui...

CVE-2025-3000 vulnerabilities

Vulnerabilities for packages: open-webui...

CVE-2026-54019

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, Open WebUI added collection-level ACL checks, but the patch can still be bypassed when Milvus multitenancy mode is enabled. The ACL allows unknown non-KB collection names as...

CVE-2026-54022

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.11, the ydoc:document:join Socket.IO handler checks note ownership only when the documentid starts with note: colon. However, the YdocManager storage layer normalizes all document IDs b...

CVE-2026-54018

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, the SafePlaywrightURLLoader implements a validateurl function to prevent SSRF attacks by checking the IP address of the user-provided URL. However, this validation is performed only ...

CVE-2026-54021

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, several direct, index-addressed Ollama proxy routes accept a caller-supplied urlidx path parameter and use it as a raw index into the admin-configured OLLAMABASEURLS list. Access...

CVE-2026-54012

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, Open WebUI lets a user who can create, update, or import workspace models store arbitrary meta.knowledge entries on their model without checking whether they own or can read the...