CVE-2026-2393

A Server-Side Request Forgery SSRF vulnerability exists in MLflow versions prior to 3.9.0. The createwebhook function in mlflow/server/handlers.py accepts a user-controlled url parameter without validation, and the sendwebhookrequest function in mlflow/webhooks/delivery.py sends HTTP POST request...

CVE-2026-41689

Wallos is an open-source, self-hostable personal subscription tracker. In versions 4.8.4 and prior, the webhook notification feature reuses an administrator-configured local-target allowlist for every logged-in user. Any normal user can fully control a webhook URL, headers, and body, then use...

Insufficient Session Expiration

Overview openclaw is a 🦞 OpenClaw — Personal AI Assistant Affected versions of this package are vulnerable to Insufficient Session Expiration in the webhook authentication process. An attacker can continue to access protected webhook routes using a previously valid secret even after the secret ha...

CVE-2026-7724 PrefectHQ prefect Webhook/Notification validate_restricted_url toctou

A vulnerability has been found in PrefectHQ prefect up to 3.6.28.dev1. Affected by this vulnerability is the function validaterestrictedurl of the component Webhook/Notification. The manipulation leads to time-of-check time-of-use. It is possible to initiate the attack remotely. The attack is...

EUVD-2026-26109

OpenClaw before 2026.3.31 contains a scope bypass vulnerability in webhook replay cache deduplication that allows authenticated attackers to replay messages across sibling targets using the same messageId. Attackers can exploit overly broad cache keying to bypass replay protection and deliver...

CVE-2026-41351

OpenClaw before 2026.3.31 contains a replay detection bypass vulnerability in webhook signature handling that treats Base64 and Base64URL encoded signatures as distinct requests. Attackers can re-encode Telnyx webhook signatures to bypass replay detection while maintaining valid signature...

CVE-2026-25883

Vexa SSRF via webhook URL validation flaw : The webhook feature allows authenticated users to configure any HTTP POST URL when meetings complete, with no validation of the target. This enables Server-Side Request Forgery to internal services (e.g., Redis/databases/admin panels), cloud metadata en...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the webhook process. An attacker can exhaust system memory by sending oversized POST payloads before signature validation. This is only exploitable if Stripe webhooks are enabled a...

PraisonAI Vulnerable to Server-Side Request Forgery via Unvalidated webhook_url in Jobs API

Summary The /api/v1/runs endpoint accepts an arbitrary webhookurl in the request body with no URL validation. When a submitted job completes success or failure, the server makes an HTTP POST request to this URL using httpx.AsyncClient. An unauthenticated attacker can use this to make the server...

EUVD-2026-21114

OpenClaw before 2026.3.25 contains a missing rate limiting vulnerability in Telegram webhook authentication that allows attackers to brute-force weak webhook secrets. The vulnerability enables repeated authentication guesses without throttling, permitting attackers to systematically guess webhook...

PT-2026-31981

OpenClaw before 2026.3.22 contains a webhook reply delivery vulnerability that allows attackers to rebind chat replies to unintended users by exploiting mutable username matching instead of stable numeric user identifiers. Attackers can manipulate username changes to redirect webhook-triggered...

CVE-2026-35640 OpenClaw < 2026.3.25 - Denial of Service via Unauthenticated Webhook Request Parsing

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-2026-31783

Name of the Vulnerable Software and Affected Versions PraisonAI versions prior to 4.5.128 Description PraisonAI is a multi-agent teams system. The /api/v1/runs endpoint accepts an arbitrary webhook url in the request body without URL validation. Upon job completion success or failure, the server...

PraisonAI 代码问题漏洞

PraisonAI is a low-code multi-agent collaboration framework developed by Mervin Praison. Versions of PraisonAI prior to 4.5.128 contained code vulnerabilities. These vulnerabilities stemmed from the/api/v1/runs endpoint allowing arbitrary webhook URLs without proper URL validation, which could le...

CVE-2026-34719 Zammad has a Server-side request forgery (SSRF) via webhooks

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the webhook model was missing a proper validation for loop back addresses, or link-local addresses — only the URL scheme HTTP/HTTPS as well as the hostname was checked. This could end up in retrieving...

EUVD-2026-20042

The LTL Freight Quotes – R+L Carriers Edition plugin for WordPress is vulnerable to Missing Authorization via the plugin's webhook handler in all versions up to, and including, 3.3.13. This is due to missing authentication, authorization, and nonce verification on a standalone PHP file that...

CVE-2026-3646

The LTL Freight Quotes – R+L Carriers Edition plugin for WordPress is vulnerable to Missing Authorization via the plugin's webhook handler in all versions up to, and including, 3.3.13. This is due to missing authentication, authorization, and nonce verification on a standalone PHP file that...

CVE-2026-3646

The CVE concerns the WordPress plugin LTL Freight Quotes – R+L Carriers Edition (versions up to and including 3.3.13). A standalone PHP webhook handler processes GET parameters without proper authentication, authorization, or nonce verification, allowing unauthenticated attackers to modify subscr...

WordPress plugin LTL Freight Quotes – R+L Carriers Edition 安全漏洞

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows for the creation of personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application extension. The...

CVE-2026-34590

Postiz is an AI social media scheduling tool. Prior to version 2.21.4, the POST /webhooks/ endpoint for creating webhooks uses WebhooksDto which validates the url field with only @IsUrl format check, missing the @IsSafeWebhookUrl validator that blocks internal/private network addresses. The updat...