Incorrect Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Incorrect Authorization in the isuserchannelmember function. An attacker can retain unauthorized read and write access to group or direct message channels by making direct API calls after being deactivated fr...

Missing Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Missing Authorization in the generatecompletion, embed, embeddings, and showmodelinfo functions. An attacker can access restricted model information and consume compute resources by sending crafted API reques...

hubzoid (>=0.2.2 <=0.6.0), openwebui-token-tracking (>=0.1.7 <=0.1.10) +1 more potentially affected by CVE-2026-44563 via open-webui (>=0.6.0 <=0.8.8)

open-webui PYPI version =0.6.0, =0.2.2, =0.1.7, =0.1.0, =0.1.5 Source cves: CVE-2026-44563 Source advisory: OSV:GHSA-RCVP-6FGW-C7FH...

Missing Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Missing Authorization through the importmodels process. An attacker can overwrite existing models owned by other users, modify their configuration, and escalate access by submitting crafted payloads to the...

hubzoid (>=0.2.2 <=0.6.0), openwebui-token-tracking (>=0.1.7 <=0.1.10) +1 more potentially affected by CVE-2026-44559 via open-webui (>=0.6.0 <=0.8.8)

open-webui PYPI version =0.6.0, =0.2.2, =0.1.7, =0.1.0, =0.1.5 Source cves: CVE-2026-44559 Source advisory: OSV:GHSA-C7WP-3QH5-55PV...

hubzoid (>=0.2.2 <=0.6.0), openwebui-token-tracking (>=0.1.7 <=0.1.10) +1 more potentially affected by CVE-2026-44559 via open-webui (>=0.6.0 <=0.8.8)

open-webui PYPI version =0.6.0, =0.2.2, =0.1.7, =0.1.0, =0.1.5 Source cves: CVE-2026-44559 Source advisory: SNYK:PYTHON-OPENWEBUI-16599153...

hubzoid (>=0.2.2 <=0.6.0), openwebui-token-tracking (>=0.1.7 <=0.1.10) +1 more potentially affected by CVE-2026-44557 via open-webui (>=0.6.0 <=0.8.8)

open-webui PYPI version =0.6.0, =0.2.2, =0.1.7, =0.1.0, =0.1.5 Source cves: CVE-2026-44557 Source advisory: OSV:GHSA-6C2X-GCP3-GP73...

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

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

hubzoid (>=0.2.2 <=0.6.0), openwebui-token-tracking (>=0.1.7 <=0.1.10) +1 more potentially affected by CVE-2026-44554 via open-webui (>=0.6.0 <=0.8.8)

open-webui PYPI version =0.6.0, =0.2.2, =0.1.7, =0.1.0, =0.1.5 Source cves: CVE-2026-44554 Source advisory: SNYK:PYTHON-OPENWEBUI-16599155...

Missing Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Missing Authorization in the processweb and processyoutube endpoints when the overwrite parameter is set to true and the collectionname is attacker-controlled. An attacker can overwrite or delete another user...

hubzoid (>=0.2.2 <=0.6.0), openwebui-token-tracking (>=0.1.7 <=0.1.10) +1 more potentially affected by CVE-2026-44554 via open-webui (>=0.6.0 <=0.8.8)

open-webui PYPI version =0.6.0, =0.2.2, =0.1.7, =0.1.0, =0.1.5 Source cves: CVE-2026-44554 Source advisory: OSV:GHSA-7R82-QHG4-6WVJ...

Open WebUI has Knowledge Base Destruction and RAG Poisoning via Unauthorized Collection Overwrite

Knowledge Base Destruction and RAG Poisoning via Unauthorized Collection Overwrite Affected Component Retrieval web/YouTube processing endpoints: - backend/openwebui/routers/retrieval.py lines 1810-1837, processweb - backend/openwebui/routers/retrieval.py the parallel processyoutube endpoint -...

hubzoid (>=0.2.2 <=0.6.0), openwebui-token-tracking (>=0.1.7 <=0.1.10) +1 more potentially affected by CVE-2026-44558 via open-webui (>=0.6.0 <=0.8.8)

open-webui PYPI version =0.6.0, =0.2.2, =0.1.7, =0.1.0, =0.1.5 Source cves: CVE-2026-44558 Source advisory: OSV:GHSA-7RJH-PX4V-5W55...

Incorrect Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Incorrect Authorization in the setaccessgrants process. An attacker can override administrative access controls by submitting arbitrary access grants, including wildcard grants, which are persisted without...

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 responses passthrough endpoint lacks access control authorization

Summary The /responses endpoint in the OpenAI router accepts any authenticated user and forwards requests directly to upstream LLM providers without enforcing per-model access control. While the primary chat completion endpoint generatechatcompletion checks model ownership, group membership, and...

GHSA-HP5M-24VP-VQ2Q Open WebUI's responses passthrough endpoint lacks access control authorization

Summary The /responses endpoint in the OpenAI router accepts any authenticated user and forwards requests directly to upstream LLM providers without enforcing per-model access control. While the primary chat completion endpoint generatechatcompletion checks model ownership, group membership, and...

hubzoid (>=0.2.2 <=0.6.0), openwebui-token-tracking (>=0.1.7 <=0.1.10) +1 more potentially affected by CVE-2026-44556 via open-webui (>=0.6.0 <=0.8.8)

open-webui PYPI version =0.6.0, =0.2.2, =0.1.7, =0.1.0, =0.1.5 Source cves: CVE-2026-44556 Source advisory: OSV:GHSA-HP5M-24VP-VQ2Q...

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...

hubzoid (>=0.2.2 <=0.6.0), openwebui-token-tracking (>=0.1.7 <=0.1.10) +1 more potentially affected by CVE-2026-44552 via open-webui (>=0.6.0 <=0.8.8)

open-webui PYPI version =0.6.0, =0.2.2, =0.1.7, =0.1.0, =0.1.5 Source cves: CVE-2026-44552 Source advisory: OSV:GHSA-3X8W-4F7P-XXC2...