CVE-2026-74664

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reallocate update replies for mismatched IDs ovsflowcmdnew preallocates the optional reply skb before it takes ovsmutex and before it knows which existing flow will be updated. That is normally fine because the...

The vulnerability of the `get_flow_by_id_or_endpoint_name` function in the Langflow agent and workflow creation/execution tool allows a attacker to circumvent existing security restrictions.

The vulnerability of the getflowbyidorendpointname function in the Langflow agent and workflow creation/execution tools relates to bypassing authentication using a user-controlled key. Exploiting this vulnerability could allow an attacker to circumvent existing security restrictions using an...

Exploit for Eval Injection in Langflow

Fireflow RCE Exploit Remote Code Execution for Langflow via t...

CVE-2026-48519

Langflow CVE-2026-48519 exposes unauthenticated RCE via the Shareable Playground. Affected: Langflow prior to 1.9.2. Vulnerable route: /api/v1/build_public_tmp permits executing any public flow; payloads can inject arbitrary Python code into data.nodes[X].data.node.template.code.value. Impact is ...

GHSA-QWQC-P3Q8-WCG9 Langflow: Unauthenticated DoS through multipart form boundary file upload

Summary An attacker can send a /api/v1/files/upload/ request without any authentication token/cookies and abuse a very long multipart form boundary to make the langflow app unusable for all users for an indefinite amount of time. Details...

Security Bulletin: Unauthenticated Insecure Direct Object Reference (IDOR) Vulnerability in Langflow Desktop Image Download Endpoint

Summary IBM Langflow Desktop contains a vulnerability in its image retrieval functionality where the GET /api/v1/files/images/flowid/filename endpoint fails to enforce authentication and ownership validation, allowing any unauthenticated user to access image files by supplying a valid flow...

CVE-2026-43208 net: do not pass flow_id to set_rps_cpu()

In the Linux kernel, the following vulnerability has been resolved: net: do not pass flowid to setrpscpu Blamed commit made the assumption that the RPS table for each receive queue would have the same size, and that it would not change. Compute flowid in setrpscpu, do not assume we can use the...

PT-2026-37548

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists where the set rps cpu function incorrectly assumes that the Receive Packet Steering RPS table for each receive queue is of a constant size and does not change. By passing...

EUVD-2026-26447

IBM Langflow OSS 1.0.0 through 1.8.4 could allow any user to supply a flowid to read transaction logs and vertex build data belonging to other users, and to delete persisted vertex build data for another user's flow...

CVE-2026-6542

IBM Langflow OSS 1.0.0 through 1.8.4 could allow any user to supply a flowid to read transaction logs and vertex build data belonging to other users, and to delete persisted vertex build data for another user's flow...

CVE-2026-6542

IBM Langflow OSS 1.0.0–1.8.4 is vulnerable to an authorization bypass in the Monitor API: any authenticated user can supply a flow_id to read another user’s transaction logs and vertex build data, and can delete persisted vertex build data for another user’s flow. Root cause cited as missing owne...

Security Bulletin: Monitor API allows cross-user read of transaction logs and deletion of build data via flow_id

Summary Langflow OSS is affected by an insecure direct object reference vulnerability in its Monitor API due to missing authorization checks. Although these endpoints require authentication, they fail to verify ownership of the provided flowid, allowing any authenticated user to access or...

CVE-2026-5022

The '/api/v1/files/images/flowid/filename' endpoint does not enforce any authentication or authorization checks, allowing any unauthenticated user to download images belonging to any flow by knowing or guessing the flow ID and file name...

CVE-2026-5022

The '/api/v1/files/images/flowid/filename' endpoint does not enforce any authentication or authorization checks, allowing any unauthenticated user to download images belonging to any flow by knowing or guessing the flow ID and file name...

PT-2026-28597

Name of the Vulnerable Software and Affected Versions Langflow versions prior to 1.5.1 Description Langflow is a tool for building and deploying AI-powered agents and workflows. A flaw exists in the read flow helper within src/backend/base/langflow/api/v1/flows.py. The code branched on the AUTO...

PT-2026-28736

The '/api/v1/files/images/flow id/file name' endpoint does not enforce any authentication or authorization checks, allowing any unauthenticated user to download images belonging to any flow by knowing or guessing the flow ID and file name...

CVE-2026-33484

Langflow is a tool for building and deploying AI-powered agents and workflows. In versions 1.0.0 through 1.8.1, the /api/v1/files/images/flowid/filename endpoint serves image files without any authentication or ownership check. Any unauthenticated request with a known flowid and filename returns...

PYSEC-2026-80

Langflow is a tool for building and deploying AI-powered agents and workflows. In versions 1.0.0 through 1.8.1, the /api/v1/files/images/flowid/filename endpoint serves image files without any authentication or ownership check. Any unauthenticated request with a known flowid and filename returns...

CVE-2026-33484

Langflow is a tool for building and deploying AI-powered agents and workflows. In versions 1.0.0 through 1.8.1, the /api/v1/files/images/flowid/filename endpoint serves image files without any authentication or ownership check. Any unauthenticated request with a known flowid and filename returns...

CVE-2026-33484 Langflow has Unauthenticated IDOR on Image Downloads

Langflow is a tool for building and deploying AI-powered agents and workflows. In versions 1.0.0 through 1.8.1, the /api/v1/files/images/flowid/filename endpoint serves image files without any authentication or ownership check. Any unauthenticated request with a known flowid and filename returns...