CVE-2026-11430

Grav CMS's scheduler-webhook plugin contains an authentication bypass in the webhook token check. When the webhook feature is enabled but no webhookToken is configured, a compound conditional short-circuits and skips token validation, so an unauthenticated remote attacker who can reach POST...

EUVD-2026-54601

Grav CMS's scheduler-webhook plugin contains an authentication bypass in the webhook token check. When the webhook feature is enabled but no webhookToken is configured, a compound conditional short-circuits and skips token validation, so an unauthenticated remote attacker who can reach POST...

CVE-2026-11430 Grav CMS Scheduler Webhook Authentication Bypass via Null Short-Circuit

Grav CMS's scheduler-webhook plugin contains an authentication bypass in the webhook token check. When the webhook feature is enabled but no webhookToken is configured, a compound conditional short-circuits and skips token validation, so an unauthenticated remote attacker who can reach POST...

CVE-2026-11430

Grav CMS’s scheduler-webhook plugin contains an authentication bypass in the webhook token check. When the webhook feature is enabled but no webhookToken is configured, a conditional short-circuit skips token validation, allowing an unauthenticated remote attacker who can reach POST /scheduler/we...

CVE-2026-70437

Jenkins Webhook Secret Credentials Provider Plugin 16.v0cfaf0215cf5 and earlier does not use a constant-time comparison function when checking whether the provided and expected webhook bearer token are equal, potentially allowing attackers to use statistical methods to obtain a valid webhook bear...

CVE-2026-70437

Jenkins Webhook Secret Credentials Provider Plugin 16.v0cfaf0215cf5 and earlier does not use a constant-time comparison function when checking whether the provided and expected webhook bearer token are equal, potentially allowing attackers to use statistical methods to obtain a valid webhook bear...

CVE-2026-70437

Summary (concrete): Jenkins Webhook Secret Credentials Provider Plugin 16.v0cfa_f0215cf5 and earlier does not use a constant-time comparison when checking the webhook bearer token, potentially enabling attackers to apply statistical methods to obtain a valid token. This is a network-facing issue ...

EUVD-2026-46123

Grav CMS scheduler-webhook plugin contains an authentication bypass vulnerability that allows unauthenticated remote attackers to trigger configured scheduled jobs by exploiting a short-circuit logic flaw in the webhook token validation. Attackers can send a single unauthenticated POST request to...

CVE-2026-27882

Coolify prior to 4.0.0-beta.461 uses a non-constant-time string comparison (!=) to validate the GitLab webhook secret token, enabling timing-based disclosure of the secret. The issue is fixed in 4.0.0-beta.461. Remediation: upgrade to 4.0.0-beta.461.

GHSA-64HG-93W9-FC35 Symfony's Mailjet Mailer Webhook Parser Never Verifies the Configured Secret — Unauthenticated Webhook Event Injection

Description The Mailjet mailer bridge and the LOX24 SMS notifier bridge both ship webhook request parsers used to authenticate and decode the event callbacks each provider POSTs to an application's webhook endpoint. Their doParseRequest $request, \SensitiveParameter string $secret methods receive...

Duplicate Advisory: OpenClaw: Synology Chat Webhook Pre-Auth Rate-Limit Bypass Enables Brute-Force Guessing of Webhook Token

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-mf5g-6r6f-ghhm. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.25 contains a pre-authentication rate-limit bypass vulnerability in webhook token validation...

EUVD-2026-21144

OpenClaw before 2026.3.25 contains a pre-authentication rate-limit bypass vulnerability in webhook token validation that allows attackers to brute-force weak webhook secrets. The vulnerability exists because invalid webhook tokens are rejected without throttling repeated authentication attempts,...

CVE-2026-35646

OpenClaw before 2026.3.25 contains a pre-authentication rate-limit bypass vulnerability in webhook token validation that allows attackers to brute-force weak webhook secrets. The vulnerability exists because invalid webhook tokens are rejected without throttling repeated authentication attempts,...

CVE-2026-35646

OpenClaw before 2026.3.25 contains a pre-authentication rate-limit bypass in webhook token validation, allowing brute-forcing of weak webhook secrets. The issue stems from invalid tokens being rejected without throttling, enabling rapid successive attempts. Affected: OpenClaw; vulnerable componen...

CVE-2026-35646 OpenClaw < 2026.3.25 - Pre-Authentication Rate-Limit Bypass in Webhook Token Validation

OpenClaw before 2026.3.25 contains a pre-authentication rate-limit bypass vulnerability in webhook token validation that allows attackers to brute-force weak webhook secrets. The vulnerability exists because invalid webhook tokens are rejected without throttling repeated authentication attempts,...

PT-2026-31779

OpenClaw before 2026.3.25 contains a pre-authentication rate-limit bypass vulnerability in webhook token validation that allows attackers to brute-force weak webhook secrets. The vulnerability exists because invalid webhook tokens are rejected without throttling repeated authentication attempts,...

GHSA-9R75-G2CR-3H76 Vercel Workflow Allows Webhook Creation with Predictable User-Specified Tokens

createWebhook in Vercel Workflow DevKit accepts a user-specified token parameter that serves as the credential for the public webhook endpoint /.well-known/workflow/v1/webhook/token. Official documentation recommended predictable token patterns, making it possible for an unauthenticated remote...

Vercel Workflow Allows Webhook Creation with Predictable User-Specified Tokens

createWebhook in Vercel Workflow DevKit accepts a user-specified token parameter that serves as the credential for the public webhook endpoint /.well-known/workflow/v1/webhook/token. Official documentation recommended predictable token patterns, making it possible for an unauthenticated remote...

CVE-2026-26077

CVE-2026-26077 – Discourse webhook authentication bypass . Affects Discourse prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, where several webhook endpoints (SendGrid, Mailjet, Mandrill, Postmark, SparkPost) in the WebhooksController accepted requests without a valid authentication token whe...

CVE-2025-12677

The KiotViet Sync plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.8.5 via the registerapiroute function in kiotvietsync/includes/publicactions/WebHookAction.php. This makes it possible for unauthenticated attackers to extract the webhoo...