Security Bulletin: Unauthenticated Server-Side RCE via PythonCodeStructuredTool in Public Flows

Summary Langflow OSS contains unauthenticated server-side RCE via PythonCodeStructuredTool executing attacker-controlled Python through exec at flow-build time. Sink in execself.toolcode, globals, localnamespace where toolcode is attacker-controlled template field. Two paths: A Authenticated POST...

PT-2026-51099

Name of the Vulnerable Software and Affected Versions Langflow versions prior to 1.9.1 Description An Insecure Direct Object Reference IDOR issue exists in the /api/v1/responses endpoint. This occurs because the get flow by id or endpoint name function queries the database using a flow ID without...

GHSA-RCJH-R59H-GQ37 Langflow: Unauthenticated Shareable Playground arbitrary local or S3 file read

Summary The "Shareable Playground" or "Public Flows" in code contains a potential arbitrary file-read vulnerability, depending on the exact flow configuration used. By making a flow public, public execution of the flow is allowed. The execution request can contain a list of files that gets read b...

Langflow: Unauthenticated Shareable Playground arbitrary local or S3 file read

Summary The "Shareable Playground" or "Public Flows" in code contains a potential arbitrary file-read vulnerability, depending on the exact flow configuration used. By making a flow public, public execution of the flow is allowed. The execution request can contain a list of files that gets read b...

Langflow: Unauthenticated RCE in Shareable Playgrounds

Summary The "Shareable Playground" or "Public Flows" in code contains a critical RCE vulnerability. Simply sharing a flow exposes the deployment to RCE risk by authenticated users. Tested on commit 2d67402b1dbaefcbce85a244d4a6cd5e4bda1cfe Details Shareable Playground feature works by enabling the...

CVE-2026-44487

A flaw was found in Axios. During specific proxy-to-direct redirect flows in the Node.js HTTP adapter, a remote attacker could exploit this vulnerability. The Proxy-Authorization header, which contains proxy credentials and is intended only for the outbound proxy, may be forwarded to the final...

CVE-2026-41005

Cloud Foundry UAA incorrectly treated XML encryption to the Service Provider confidentiality as a substitute for XML signatures from the Identity Provider authenticity in two SAML flows: the OAuth 2.0 SAML2 bearer grant token endpoint and browser SSO ACS when wantAssertionSigned is set to false...

PT-2026-48733

Name of the Vulnerable Software and Affected Versions Cloud Foundry UAA versions 2.0.0 through 78.13.0 Cloud Foundry CF Deployment versions prior to 56.1.0 Description Cloud Foundry UAA incorrectly treats XML encryption to the Service Provider as a substitute for XML signatures from the Identity...

Important: Red Hat Security Advisory: Network Observability 1.12.0 for OpenShift

Network Observability 1.12 for Red Hat OpenShift. Network flows collector and monitoring solution...

CVE-2026-23638

Kiteworks is a private data network PDN. Prior to version 9.3.0, an Insecure Direct Object Reference IDOR vulnerability in Kiteworks Secure Data Forms allows an authenticated attacker to tamper with the internal approval flow configurations of forms belonging to other users due to insufficient...

CVE-2026-5296

GitLab has remediated an issue in GitLab EE affecting all versions from 18.7 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that when foundational flows were enabled at the group level, could have allowed an authenticated user with developer-role permissions to bypass flow...

CVE-2026-39969

TypeBot is a chatbot builder tool. In versions 3.16.0 and prior, the WhatsApp Cloud API webhook endpoint POST /v1/workspaces/workspaceId/whatsapp/credentialsId/webhook does not verify the x-hub-signature-256 HMAC signature included by Meta in every webhook delivery. The webhook URL exposes both...

CVE-2026-3514

In version 3.6.19 of prefecthq/prefect, an authentication bypass vulnerability exists due to the improper handling of URL path exemptions for health check probes. Specifically, the authentication middleware exempts any URL path ending with 'health' or 'ready' from authentication checks. This allo...

CVE-2026-5627

A path traversal vulnerability exists in mintplex-labs/anything-llm versions up to and including 1.9.1, within the AgentFlows component. The vulnerability arises from improper handling of user input in the loadFlow and deleteFlow methods in server/utils/agentFlows/index.js. Specifically, the...

Updating the taxonomy of failure modes in agentic AI systems: What a year of red teaming taught us

In this article 1. Why the Taxonomy Needed Updating 2. Seven new failure modes 3. Operational findings: What red teaming showed 4. New mitigations 5. What to do this quarter When the Microsoft AI Red Team published the Taxonomy of Failure Modes in Agentic AI Systems in April 2025, the goal was a...

PYSEC-2026-2261

In version 3.6.19 of prefecthq/prefect, an authentication bypass vulnerability exists due to the improper handling of URL path exemptions for health check probes. Specifically, the authentication middleware exempts any URL path ending with 'health' or 'ready' from authentication checks. This allo...

CVE-2026-3514

In version 3.6.19 of prefecthq/prefect, an authentication bypass vulnerability exists due to the improper handling of URL path exemptions for health check probes. Specifically, the authentication middleware exempts any URL path ending with 'health' or 'ready' from authentication checks. This allo...

PYSEC-2026-2261

In version 3.6.19 of prefecthq/prefect, an authentication bypass vulnerability exists due to the improper handling of URL path exemptions for health check probes. Specifically, the authentication middleware exempts any URL path ending with 'health' or 'ready' from authentication checks. This allo...

CVE-2026-3514

In version 3.6.19 of prefecthq/prefect, an authentication bypass vulnerability exists due to the improper handling of URL path exemptions for health check probes. Specifically, the authentication middleware exempts any URL path ending with 'health' or 'ready' from authentication checks. This allo...

CVE-2026-3514

The CVE-2026-3514 entry describes an authentication bypass in prefecthq/prefect v3.6.19 caused by the authentication middleware exempting URL paths ending with “health” or “ready” from authentication checks. This bypass enables unauthorized access to resources via name-based endpoints for variabl...