PYSEC-2026-2692 Open WebUI: shared-chat branch ignores access_type, allowing unauthorized file deletion

Summary Any authenticated user can permanently delete files owned by other users via DELETE /api/v1/files/id when the target file is referenced in any shared chat. The hasaccesstofile authorization gate unconditionally grants access through its shared-chat branch. It checks neither the requesting...

PYSEC-2026-3069 Snorkel BaseLabeler.load uses an unsafe pickle.load

The snorkel library thru v0.10.0 contains a critical insecure deserialization vulnerability CWE-502 in the BaseLabeler.load method of the BaseLabeler class. The method loads serialized labeler models using the unsafe pickle.load function on user-supplied file paths without any validation or...

Snorkel BaseLabeler.load uses an unsafe pickle.load

The snorkel library thru v0.10.0 contains a critical insecure deserialization vulnerability CWE-502 in the BaseLabeler.load method of the BaseLabeler class. The method loads serialized labeler models using the unsafe pickle.load function on user-supplied file paths without any validation or...

PYSEC-2026-2710 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 -...

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 has Knowledge Base Destruction and RAG Poisoning via Unauthorized Collection Overwrite

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

Open WebUI has Unauthorized File and Knowledge Base Content Access via RAG Vector Search

Unauthorized File and Knowledge Base Content Access via RAG Vector Search Affected ComponentRAG source resolution in chat completion pipeline:- backend/openwebui/retrieval/utils.py lines 963-965, 1063-1068, 1126-1131 in getsourcesfromitems Affected VersionsCurrent main branch commit 6fdd19bf1 and...

PYSEC-2026-2719 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'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...

PYSEC-2026-2632 mcpo-simple-server has a Path Traversal issue

A weakness has been identified in getsimpletool mcpo-simple-server up to 0.2.0. Affected is the function deletesharedprompt of the file src/mcposimpleserver/services/promptmanager/basemanager.py. This manipulation of the argument detail causes relative path traversal. It is possible to initiate t...

mcpo-simple-server has a Path Traversal issue

A weakness has been identified in getsimpletool mcpo-simple-server up to 0.2.0. Affected is the function deletesharedprompt of the file src/mcposimpleserver/services/promptmanager/basemanager.py. This manipulation of the argument detail causes relative path traversal. It is possible to initiate t...

AgentScope vulnerable to Server-Side Request Forgery

A weakness has been identified in modelscope agentscope up to 1.0.18. This vulnerability affects the function processaudioblock of the file src/agentscope/agent/agentbase.py. Executing a manipulation of the argument url can lead to server-side request forgery. It is possible to launch the attack...

langflow-nightly (1.8.0.dev24) potentially affected by CVE-2026-6596 via langflow-base (0.7.2)

langflow-base PYPI version 0.7.2 is affected by a known vulnerability. The following packages have a transitive dependency on langflow-base and may be impacted: - langflow-nightly 1.8.0.dev24 Source cves: CVE-2026-6596 Source advisory: OSV:PYSEC-2026-2572...

aiexec-base (0.6.4), ano-code (>=0.1.6, <=0.1.11) +38 more potentially affected by CVE-2026-40260 via pypdf (5.1.0)

pypdf PYPI version 5.1.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - aiexec-base 0.6.4 - ano-code =0.1.6, =0.0.1, =1.0.0, =0.6.0, =0.0.3, =0.1.0, =0.3.1, =3.3.6, =1.0.16, =0.2.37, =1.0.0, =0.1.11, =0.1.24 and more Sourc...

kedro-datasets has a path traversal vulnerability in PartitionedDataset that allows arbitrary file write

ImpactPartitionedDataset in kedro-datasets was vulnerable to path traversal. Partition IDs were concatenated directly with the dataset base path without validation. An attacker or malicious input containing .. components in a partition ID could cause files to be written outside the configured...

PYSEC-2026-2924 PraisonAI: SSRF via Unvalidated api_base in passthrough() Fallback

Summary passthrough and apassthrough in praisonai accept a caller-controlled apibase parameter that is concatenated with endpoint and passed directly to httpx.Client.request when the litellm primary path raises AttributeError. No URL scheme validation, private IP filtering, or domain allowlist is...

PraisonAI: SSRF via Unvalidated api_base in passthrough() Fallback

Summarypassthrough and apassthrough in praisonai accept a caller-controlled apibase parameter that is concatenated with endpoint and passed directly to httpx.Client.request when the litellm primary path raises AttributeError. No URL scheme validation, private IP filtering, or domain allowlist is...

alation-ai-agent-mcp (>=1.0.0rc1, <=1.0.0rc2), atlan-mcp-server (>=0.2.7, <=0.2.10) +6 more potentially affected by CVE-2026-27124 via fastmcp (2.11.0)

fastmcp PYPI version 2.11.0 is affected by a known vulnerability. The following packages have a transitive dependency on fastmcp and may be impacted: - alation-ai-agent-mcp =1.0.0rc1, =0.2.7, =0.0.1b0, =0.0.20b0 Source cves: CVE-2026-27124 Source advisory: OSV:PYSEC-2026-2476...

Open WebUI has unauthorized deletion of knowledge files

SummaryAn 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...

PYSEC-2026-2742 Open WebUI's process_files_batch() endpoint missing ownership check, allows unauthorized file overwrite

Summary Any authenticated user can overwrite any file's content by ID through the POST /api/v1/retrieval/process/files/batch endpoint. The endpoint performs no ownership check, so a regular user with read access to a shared knowledge base can obtain file UUIDs via GET /api/v1/knowledge/id/files a...