CVE-2026-8505 Authentication Bypass in Webhook Endpoints Allowed Unauthorized Flow Execution

IBM Langflow OSS 1.0.0 through 1.10.0 has a vulnerability in Langflow's webhook authentication logic allows unauthenticated users to trigger the execution of any flow. The system incorrectly bypasses API key validation when the WEBHOOKAUTHENABLE configuration is set to False which is the default...

CVE-2026-8505

CVE-2026-8505 affects Langflow OSS 1.0.0–1.10.0. A flaw in the webhook authentication logic bypasses API key validation when WEBHOOK_AUTH_ENABLE is False (default), allowing unauthenticated remote execution of any flow and potentially RCE/DoS. IBM’s bulletin confirms the vulnerability and that th...

CVE-2026-8505 Authentication Bypass in Webhook Endpoints Allowed Unauthorized Flow Execution

IBM Langflow OSS 1.0.0 through 1.10.0 has a vulnerability in Langflow's webhook authentication logic allows unauthenticated users to trigger the execution of any flow. The system incorrectly bypasses API key validation when the WEBHOOKAUTHENABLE configuration is set to False which is the default...

CVE-2026-8505

IBM Langflow OSS 1.0.0 through 1.10.0 has a vulnerability in Langflow's webhook authentication logic allows unauthenticated users to trigger the execution of any flow. The system incorrectly bypasses API key validation when the WEBHOOKAUTHENABLE configuration is set to False which is the default...

GHSA-CWXQ-RC9X-2JVV Skipper: Unbounded Request Body Read in Admission Webhook Causes Memory Exhaustion DoS

Summary The Kubernetes admission webhook handler reads the entire request body using io.ReadAllr.Body without any size limit. Any client that can reach the webhook port within the cluster can send a multi-GB payload, causing the skipper process to exhaust memory and be OOM-killed. This disrupts a...

Skipper: Unbounded Request Body Read in Admission Webhook Causes Memory Exhaustion DoS

Summary The Kubernetes admission webhook handler reads the entire request body using io.ReadAllr.Body without any size limit. Any client that can reach the webhook port within the cluster can send a multi-GB payload, causing the skipper process to exhaust memory and be OOM-killed. This disrupts a...

Vulnerabilities handled in the n8n workflow automation platform

n8n has identified several vulnerabilities in its workflow automation platform, particularly in versions 2.10.1, 2.9.3, 1.123.22, and other related releases. These vulnerabilities affect various components of n8n, including Form nodes, Python Code nodes, JavaScript Task Runner sandboxes, Merge...

CVE-2026-62234

Grav before 2.0.4 fails to restrict cURL protocols in webhook dispatch, allowing authenticated users with api.webhooks.write permission to create webhooks with file://, dict://, or gopher:// URLs. Attackers can trigger webhook events to read local files, access process information, or pivot to...

CVE-2026-62234 Grav < 2.0.4 SSRF via Unrestricted cURL Protocols

Grav before 2.0.4 fails to restrict cURL protocols in webhook dispatch, allowing authenticated users with api.webhooks.write permission to create webhooks with file://, dict://, or gopher:// URLs. Attackers can trigger webhook events to read local files, access process information, or pivot to...

CVE-2026-62234 Grav < 2.0.4 SSRF via Unrestricted cURL Protocols

Grav before 2.0.4 fails to restrict cURL protocols in webhook dispatch, allowing authenticated users with api.webhooks.write permission to create webhooks with file://, dict://, or gopher:// URLs. Attackers can trigger webhook events to read local files, access process information, or pivot to...

CVE-2026-62234

Grav before 2.0.4 fails to restrict cURL protocols in webhook dispatch, allowing authenticated users with api.webhooks.write permission to create webhooks with file://, dict://, or gopher:// URLs. Attackers can trigger webhook events to read local files, access process information, or pivot to...

EUVD-2026-45080

Grav before 2.0.4 fails to restrict cURL protocols in webhook dispatch, allowing authenticated users with api.webhooks.write permission to create webhooks with file://, dict://, or gopher:// URLs. Attackers can trigger webhook events to read local files, access process information, or pivot to...

CVE-2026-62234

Grav 2.x prior to 2.0.4 contains an SSRF vulnerability in webhook dispatch where authenticated users with api.webhooks.write can create webhooks using file://, dict://, or gopher:// protocols. This unrestricted protocol handling can be leveraged to read local files, access process information, or...

PT-2026-60893

Name of the Vulnerable Software and Affected Versions Skipper affected versions not specified Description The Kubernetes admission webhook handler reads the entire request body without a size limit. An attacker with in-cluster network access and a valid Kubernetes client certificate can send a...

CVE-2026-62234: Server-Side Request Forgery (SSRF)

Grav before 2.0.4 fails to restrict cURL protocols in webhook dispatch, allowing authenticated users with api.webhooks.write permission to create webhooks with file://, dict://, or gopher:// URLs. Attackers can trigger webhook events to read local files, access process information, or pivot to...

PT-2026-60644

Name of the Vulnerable Software and Affected Versions Grav versions prior to 2.0.4 Description Authenticated users with api.webhooks.write permission can create webhooks using unrestricted cURL protocols such as file://, dict://, or gopher://. This allows attackers to trigger webhook events to re...

PT-2026-60866

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.0 Description A flaw in the webhook authentication logic allows unauthenticated users to trigger the execution of any flow. The system incorrectly bypasses API key validation when the WEBHOOK AUTH...

CVE-2026-8505: Missing Authentication for Critical Function

IBM Langflow OSS 1.0.0 through 1.10.0 has a vulnerability in Langflow's webhook authentication logic allows unauthenticated users to trigger the execution of any flow. The system incorrectly bypasses API key validation when the WEBHOOKAUTHENABLE configuration is set to False which is the default...

CVE-2026-33731

WWBN AVideo is an open source video platform. In versions prior to 29.0, the Authorize.Net webhook handler at plugin/AuthorizeNet/webhook.php contains a signature verification bypass that allows an attacker to forge webhook requests with arbitrary payment amounts and target user IDs. By supplying...

CVE-2026-33731

CVE-2026-33731 (AVideo) affects versions prior to 29.0. The webhook flaw in plugin/AuthorizeNet/webhook.php enables a signature verification bypass, allowing an attacker to forge webhook data and credit arbitrary wallet balances by using a legitimate transaction ID. The exploit chain combines: (1...