CVE-2026-82882 Devtron through 2.2.0 Missing Authorization via webhook API token endpoint

Devtron through 2.2.0 fails to enforce authorization checks on the GET /orchestrator/api-token/webhook endpoint, allowing authenticated users to retrieve admin API tokens. Attackers with any authenticated account can query the endpoint with arbitrary project, environment, and application paramete...

CVE-2026-74242

A flaw was found in Red Hat Quay. An administrator of any repository, by knowing or guessing a target notification's Universally Unique Identifier UUID, can read the notification configuration, including sensitive details like webhook URLs, Slack tokens, and email addresses. This vulnerability al...

Incorrect Implementation of Authentication Algorithm

Overview getgrav/grav is a Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS. Affected versions of this package are vulnerable to Incorrect Implementation of Authentication Algorithm via the webhook process. An attacker can trigger scheduled jobs without authentication by...

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 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 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-2026-11430

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...

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

The Jenkins Webhook Secret Credentials Provider Plugin version 16.v0cfa_f0215cf5 and earlier is vulnerable to a timing attack because it fails to use a constant-time comparison function when validating webhook bearer tokens. This flaw could allow an attacker to use statistical methods to derive a...

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-2025-71388: Authorization Bypass Through User-Controlled Key

stoatchat delta/Revolt versions from 20241213-1 before 20250210-1 allow users with only ViewChannel read permission on a channel to fetch that channel's webhooks, including their tokens, because the webhook fetch endpoint checked for ViewChannel instead of ManageWebhooks. Using a retrieved token,...

CVE-2026-27882 Coolify: Timing Attack in GitLab Webhook Token Validation

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.461, the GitLab webhook endpoint uses a non-constant-time string comparison operator !== to validate the webhook secret token. This implementation is vulnerable to timing attack...

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,...