PYSEC-2026-2637 FoundationAgents MetaGPT: Deserialization through flawed argument mapping via Message.check_instruct_content()

A weakness has been identified in FoundationAgents MetaGPT up to 0.8.2. This affects the function Message.checkinstructcontent of the file metagpt/schema.py. Executing a manipulation of the argument mapping can lead to deserialization. The attack is restricted to local execution. The exploit has...

praisonai-platform: Project endpoints accept any project_id without workspace ownership check, cross-workspace read/update/delete IDOR

SummaryType: Insecure Direct Object Reference. The project CRUD endpoints GET / PATCH / DELETE /workspaces/workspaceid/projects/projectid and GET .../projectid/stats gate access on requireworkspacememberworkspaceid only, then resolve projectid through ProjectService.getprojectid / updateprojectid...

PYSEC-2026-2934 praisonai-platform: Any workspace member can delete the entire workspace via DELETE /workspaces/{id}

Summary Type: Authorization bypass enabling destructive action. The DELETE /workspaces/workspaceid endpoint is gated only by requireworkspacememberworkspaceid default minrole="member". Any member of the workspace can issue a single DELETE to wipe the entire workspace, including every project,...

praisonai-platform: Label endpoints' unchecked label_id/issue_id enable cross-workspace label IDOR (edit, delete, link)

SummaryType: Insecure Direct Object Reference. Five label endpoints — PATCH /workspaces/workspaceid/labels/labelid, DELETE .../labels/labelid, POST .../issues/issueid/labels/labelid, DELETE .../issues/issueid/labels/labelid, GET .../issues/issueid/labels — gate access on...

PYSEC-2026-2929 praisonai-platform: Label endpoints' unchecked label_id/issue_id enable cross-workspace label IDOR (edit, delete, link)

Summary Type: Insecure Direct Object Reference. Five label endpoints — PATCH /workspaces/workspaceid/labels/labelid, DELETE .../labels/labelid, POST .../issues/issueid/labels/labelid, DELETE .../issues/issueid/labels/labelid, GET .../issues/issueid/labels — gate access on...

PYSEC-2026-2938 praisonai-platform: Missing authorization on member removal enables full workspace takeover by any user regardless of role

Summary Type: Authorization bypass enabling owner lockout. The DELETE /workspaces/workspaceid/members/userid endpoint is gated only by requireworkspacememberworkspaceid default minrole="member". Any member can remove any other member, including the workspace owner, using a single DELETE. There is...

PYSEC-2026-2426 compliance-trestle Profile Import has an Arbitrary File Read via trestle:// URI and Relative Path Traversal

Summary The compliance-trestle library's profile import mechanism resolves trestle:// URIs and relative file paths by joining them with trestleroot and calling .resolve, but performs no boundary check to ensure the resolved path stays within the trestle workspace. An attacker can craft a maliciou...

PYSEC-2026-2999 Regression in pymdownx.snippets reintroduces sibling-prefix path traversal bypass despite restrict_base_path

Summary pymdownx.snippets has a regression of the CVE-2023-32309 / GHSA-jh85-wwv9-24hv fix. With restrictbasepath: True the default, the current filename.startswithbase containment check does not enforce a directory boundary. As a result, a markdown snippet directive can read files from sibling...

PYSEC-2026-2730 Open WebUI: LDAP and OAuth First-User Race Condition Allows Multiple Admin Accounts

Summary The LDAP and OAuth authentication flows use a TOCTOU Time-of-Check-Time-of-Use pattern for first-user admin role assignment. The regular signup handler signuphandler in auths.py, line 663 was explicitly patched to prevent this race with the comment "Insert with default role first to avoid...

PYSEC-2026-2767 Open WebUI has an IDOR vulnerability in the update_message_by_id API endpoint

Summary An IDOR vulnerability exists in the Channels feature of Open WebUI, allowing any channel member to modify messages sent by other members including administrators within the same channel. This vulnerability affects the latest version v0.8.12 of Open WebUI. Details In the updatemessagebyid...

PYSEC-2026-2752 Open WebUI: Cross-User File Access via Unchecked file_id in Folder Knowledge and Knowledge-Base Attach Endpoints

Cross-User File Access via Unchecked fileid in Folder Knowledge and Knowledge-Base Attach Endpoints Summary Multiple endpoints accept a user-supplied fileid and attach the referenced file to a resource the caller controls folder knowledge, knowledge-base contents without verifying that the caller...

PYSEC-2026-2727 Open WebUI missing authorization check at the model update function - models from other users can be updated

Summary A user can modify another user's model even if its visibility is set to Private. The finding resulted from a penetration test for a customer. It is suspected that the root cause of the issue lies within the core of Open WebUI, which is why it is being reported as a security issue here...

PYSEC-2026-2745 Open WebUI: Read-Only Users Can Toggle Note Pin Status via Incorrect Permission Check (Write via Read-Only Access)

Summary The POST /api/v1/notes/id/pin endpoint performs a write operation toggling the ispinned field but only checks for read permission. Users with read-only access to a shared note can pin/unpin it, which is a state-modifying action that should require write permission. All other write endpoin...

PYSEC-2026-2753 Open WebUI: Missing permission check in files API allows authenticated users to list, access and delete every uploaded file

Summary A missing permission check in all files related API endpoints allows any authenticated user to list, access and delete every file uploaded by every user to the platform. Details All files/ related endpoints lack permission checks. Listing all files For example, let's see how file listing ...

PYSEC-2026-2729 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 Component RAG source resolution in chat completion pipeline: - backend/openwebui/retrieval/utils.py lines 963-965, 1063-1068, 1126-1131 in getsourcesfromitems Affected Versions Current main branch commit 6fdd19bf1...

PYSEC-2026-2732 Open WebUI: Deactivated Channel Members Retain Full Access to Group/DM Channels

Deactivated Channel Members Retain Full Access to Group/DM Channels Affected Component Channel membership authorization check: - backend/openwebui/models/channels.py lines 663-673, isuserchannelmember - Used at 15 locations in backend/openwebui/routers/channels.py Affected Versions Current main...

PYSEC-2026-2328 Aegra has cross-user run injection in /threads/{thread_id}/runs (IDOR)

Impact Aegra deployments running 0.9.0 through 0.9.6 with multiple authenticated users on a shared instance are vulnerable to a cross-tenant IDOR. Any authenticated user User A, given another user's threadid User B, can: - Execute graph runs against User B's thread via POST /threads/threadid/runs...

PYSEC-2026-2956 Prefect Auth Bypass via endswith() Health Check Exemption

A vulnerability was detected in PrefectHQ prefect up to 3.6.21. This impacts the function endswith of the file /api/health of the component Health Check API. Performing a manipulation results in improper authentication. The attack is possible to be carried out remotely. The exploit is now public...

PYSEC-2026-3393 UEFI Firmware Parser has a stack out-of-bounds write in tiano decompressor MakeTable

uefi-firmware contains a stack out-of-bounds write vulnerability in the native tiano/EFI decompressor. in uefifirmware/compression/Tiano/Decompress.c, MakeTable does not validate that bit-length values read from the compressed bitstream are within the expected range 0..16. a crafted firmware blob...

PYSEC-2026-2488 Giskard has Unsandboxed Jinja2 Template Rendering in ConformityCheck

Summary The ConformityCheck class in giskard-checks rendered the rule parameter through Jinja2's default Template constructor. Because the rule string is silently interpreted as a Jinja2 template, a developer may not realize that template expressions embedded in rule definitions are evaluated at...