GHSA-JMC6-2WR8-H3WJ Open WebUI: Same-origin XSS to account takeover via terminal port-preview iframe hardcoding allow-same-origin

Summary Any authenticated user with access to a shared terminal server could get script of their choosing to run in the Open WebUI origin itself. The in-app port preview rendered the content of a previewed port in an iframe whose sandbox always granted allow-same-origin alongside allow-scripts, a...

Open WebUI: Same-origin XSS to account takeover via terminal port-preview iframe hardcoding allow-same-origin

Summary Any authenticated user with access to a shared terminal server could get script of their choosing to run in the Open WebUI origin itself. The in-app port preview rendered the content of a previewed port in an iframe whose sandbox always granted allow-same-origin alongside allow-scripts, a...

Improper Restriction of Rendered UI Layers or Frames

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Improper Restriction of Rendered UI Layers or Frames in the PortPreview process. An attacker can gain access to session tokens and take over user accounts by serving malicious scripts on a terminal server por...

Open WebUI: SSRF into internal services via DNS rebinding in the Playwright web loader

Summary With the Playwright web loader enabled, Open WebUI checks the address behind a user-submitted URL before allowing the request, then handed the request to the browser to perform. The browser resolved the hostname a second time, on its own, and that answer was never checked. An attacker who...

GHSA-4V28-J6Q3-5M4R Open WebUI: SSRF into internal services via DNS rebinding in the Playwright web loader

Summary With the Playwright web loader enabled, Open WebUI checks the address behind a user-submitted URL before allowing the request, then handed the request to the browser to perform. The browser resolved the hostname a second time, on its own, and that answer was never checked. An attacker who...

hubzoid (>=0.7.15, <=0.9.6) potentially affected by CVE-2026-87996 via open-webui (0.11.0)

open-webui PYPI version 0.11.0 is affected by a known vulnerability. The following packages have a transitive dependency on open-webui and may be impacted: - hubzoid =0.7.15, =0.9.6 Source cves: CVE-2026-87996 Source advisory: OSV:GHSA-4V28-J6Q3-5M4R...

hubzoid (>=0.7.15, <=0.9.6) potentially affected by CVE-2026-87996 via open-webui (0.11.0)

open-webui PYPI version 0.11.0 is affected by a known vulnerability. The following packages have a transitive dependency on open-webui and may be impacted: - hubzoid =0.7.15, =0.9.6 Source cves: CVE-2026-87996 Source advisory: SNYK:PYTHON-OPENWEBUI-20158693...

hubzoid (>=0.7.15, <=0.9.6) potentially affected by CVE-2026-87996 via open-webui (0.11.0)

open-webui PYPI version 0.11.0 is affected by a known vulnerability. The following packages have a transitive dependency on open-webui and may be impacted: - hubzoid =0.7.15, =0.9.6 Source cves: CVE-2026-87996 Source advisory: GHSA-4V28-J6Q3-5M4R...

EUVD-2026-75180

Open WebUI: SSRF into internal services via DNS rebinding in the Playwright web loader...

Server-side Request Forgery (SSRF)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the SafePlaywrightURLLoader process when the Playwright web loader engine is enabled. An attacker can access internal network resources and sensitive data by submitting a...

Open WebUI: Any authenticated user can inject chats into another user's folder via chat completions

Summary The chat-completions endpoint reads a folder id out of the request body and saves the newly created chat into that folder without checking that the caller is allowed to write there. Any authenticated user who knows a folder's id can put a chat of their own into another user's folder,...

hubzoid (>=0.7.15, <=0.9.6) potentially affected by CVE-2026-87997 via open-webui (0.11.0)

open-webui PYPI version 0.11.0 is affected by a known vulnerability. The following packages have a transitive dependency on open-webui and may be impacted: - hubzoid =0.7.15, =0.9.6 Source cves: CVE-2026-87997 Source advisory: OSV:GHSA-3PF7-Q2G3-WJ28...

hubzoid (>=0.7.15, <=0.9.6) potentially affected by CVE-2026-87997 via open-webui (0.11.0)

open-webui PYPI version 0.11.0 is affected by a known vulnerability. The following packages have a transitive dependency on open-webui and may be impacted: - hubzoid =0.7.15, =0.9.6 Source cves: CVE-2026-87997 Source advisory: SNYK:PYTHON-OPENWEBUI-20158692...

hubzoid (>=0.7.15, <=0.9.6) potentially affected by CVE-2026-87997 via open-webui (0.11.0)

open-webui PYPI version 0.11.0 is affected by a known vulnerability. The following packages have a transitive dependency on open-webui and may be impacted: - hubzoid =0.7.15, =0.9.6 Source cves: CVE-2026-87997 Source advisory: GHSA-3PF7-Q2G3-WJ28...

GHSA-3PF7-Q2G3-WJ28 Open WebUI: Any authenticated user can inject chats into another user's folder via chat completions

Summary The chat-completions endpoint reads a folder id out of the request body and saves the newly created chat into that folder without checking that the caller is allowed to write there. Any authenticated user who knows a folder's id can put a chat of their own into another user's folder,...

EUVD-2026-75181

Open WebUI: Any authenticated user can inject chats into another user's folder via chat completions...

Missing Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Missing Authorization through the chat-completions process. An attacker can insert unauthorized chat entries into another user's folder by supplying a folder ID they do not have write access to. This allows t...

hubzoid (>=0.7.15, <=0.9.6) potentially affected by CVE-2026-87998 via open-webui (0.11.0)

open-webui PYPI version 0.11.0 is affected by a known vulnerability. The following packages have a transitive dependency on open-webui and may be impacted: - hubzoid =0.7.15, =0.9.6 Source cves: CVE-2026-87998 Source advisory: OSV:GHSA-2724-6CPJ-GF3V...

hubzoid (>=0.7.15, <=0.9.6) potentially affected by CVE-2026-87998 via open-webui (0.11.0)

open-webui PYPI version 0.11.0 is affected by a known vulnerability. The following packages have a transitive dependency on open-webui and may be impacted: - hubzoid =0.7.15, =0.9.6 Source cves: CVE-2026-87998 Source advisory: SNYK:PYTHON-OPENWEBUI-20158691...

hubzoid (>=0.7.15, <=0.9.6) potentially affected by CVE-2026-87998 via open-webui (0.11.0)

open-webui PYPI version 0.11.0 is affected by a known vulnerability. The following packages have a transitive dependency on open-webui and may be impacted: - hubzoid =0.7.15, =0.9.6 Source cves: CVE-2026-87998 Source advisory: GHSA-2724-6CPJ-GF3V...