CVE-2026-103245

n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 fail to verify the x-webflow-signature HMAC in the Webflow Trigger node webhook handler. Unauthenticated attackers can send forged webhook requests with attacker-controlled payloads to trigger workflows and...

CVE-2026-103245 n8n before 1.123.80, 2.39.6, and 2.40.1 Missing Webhook Signature Verification

n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 fail to verify the x-webflow-signature HMAC in the Webflow Trigger node webhook handler. Unauthenticated attackers can send forged webhook requests with attacker-controlled payloads to trigger workflows and...

Missing Authentication

Spring Cloud Config is vulnerable to a Missing Authentication for Critical Function. The vulnerability is due to unvalidated Webhook requests to the Spring Cloud Config Server’s /monitor endpoint, which allows an attacker to send unauthorized requests and potentially trigger protected functionali...

CVE-2026-47837: Missing Authentication for Critical Function

Missing Authentication for Critical Function vulnerability in Spring Spring Cloud Config allows Webhook requests to Spring Cloud Config Server's /monitor endpoint are not validated. This issue affects Spring Cloud Config: from 5.0.0 through 5.0.4, from 4.3.0 through 4.3.4, from 4.0.0 through 4.2....

Exploit for CVE-2026-34207

CVE-2026-34207 The SSRF filter checked hostname text, but the...

CVE-2026-34207

TypeBot is a chatbot builder tool. In versions prior to 3.16.0, SSRF protection for Webhook / HTTP Request blocks validates only the URL string, blocked hostname literals, and literal IP formats. It does not resolve DNS before allowing the request. As a result, a hostname such as ssrf-repro.examp...

CVE-2026-34207 TypeBot: SSRF Protection Bypass via DNS-Resolved Hostnames in Webhook / HTTP Request Validation

TypeBot is a chatbot builder tool. In versions prior to 3.16.0, SSRF protection for Webhook / HTTP Request blocks validates only the URL string, blocked hostname literals, and literal IP formats. It does not resolve DNS before allowing the request. As a result, a hostname such as ssrf-repro.examp...

Improper Authentication

Overview @openclaw/bluebubbles is an OpenClaw BlueBubbles channel plugin Affected versions of this package are vulnerable to Improper Authentication via the handleBlueBubblesWebhookRequest function. An attacker can gain unauthorized access and potentially compromise confidentiality, integrity, an...

EUVD-2026-26112

OpenClaw before 2026.3.31 parses MS Teams webhook request bodies before performing JWT validation, allowing unauthenticated attackers to trigger resource exhaustion. Remote attackers can send malicious Teams webhook payloads to exhaust server resources by bypassing authentication checks...

GHSA-8F9R-GR6R-X63Q Duplicate Advisory: OpenClaw: Feishu webhook reads and parses unauthenticated request bodies before signature validation

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-3h52-cx59-c456. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.25 parses JSON request bodies before validating webhook signatures, allowing unauthenticated...

Duplicate Advisory: OpenClaw is vulnerable to unauthenticated resource exhaustion through its voice call webhook handling

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-rm59-992w-x2mv. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.22 contains an unauthenticated resource exhaustion vulnerability in voice call webhook handlin...

CVE-2026-35640

OpenClaw before 2026.3.25 parses JSON webhook request bodies before validating signatures, enabling unauthenticated attackers to trigger denial of service by forcing resource-intensive JSON parsing. Affected package: openclaw (versions

CVE-2026-35640

OpenClaw before 2026.3.25 parses JSON request bodies before validating webhook signatures, allowing unauthenticated attackers to force resource-intensive parsing operations. Remote attackers can send malicious webhook requests to trigger denial of service by exhausting server resources through...

PT-2026-31775

Name of the Vulnerable Software and Affected Versions OpenClaw versions prior to 2026.3.25 Description OpenClaw versions prior to 2026.3.25 are susceptible to a denial of service. The software parses JSON request bodies before validating webhook signatures, which allows unauthenticated attackers ...

CVE-2026-28449

OpenClaw versions prior to 2026.2.25 lack durable replay state for Nextcloud Talk webhook events, allowing valid signed webhook requests to be replayed without suppression. Attackers can capture and replay previously valid signed webhook requests to trigger duplicate inbound message processing an...

CVE-2026-26316: Incorrect Authorization

OpenClaw is a personal AI assistant. Prior to 2026.2.13, the optional BlueBubbles iMessage channel plugin could accept webhook requests as authenticated based only on the TCP peer address being loopback 127.0.0.1, ::1, ::ffff:127.0.0.1 even when the configured webhook secret was missing or...

CVE-2025-11564

The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check while verifying webhook signatures on the "verifyAndCreateOrderData" function in all versions up to, and including, 3.8.3. This makes it...

EUVD-2020-6585

Malware in sbrugna...

Linux Distros Unpatched Vulnerability : CVE-2021-22175

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - When requests to the internal network for webhooks are enabled, a server-side request forgery vulnerability in GitLab affecting all versions starting from 10.5...

SUSE CVE-2025-53514

Mattermost Confluence Plugin version 1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to server webhook endpoint with an invalid request body...