OpenClaw Access Control Error Vulnerability (CNVD-2026-16041)

OpenClaw is an intelligent artificial assistant open-sourced by OpenClaw. OpenClaw suffers from an Access Control Error vulnerability that stems from the BlueBubbles webhook handler containing a passwordless fallback authentication path, which can be exploited by an attacker to cause an...

PT-2026-30549

Summary Synology Chat reply delivery could rebind to a mutable username match instead of the stable numeric user id recorded by the webhook event. Affected Packages / Versions - Package: openclaw npm - Affected: = 2026.3.22 - Latest released tag checked: v2026.3.23-2...

PT-2026-28420

Name of the Vulnerable Software and Affected Versions Mattermost Plugins versions 10.11.11.0 and 11.4 Description Mattermost plugins do not properly validate timestamps in webhook requests. This allows an attacker to repeatedly send webhook requests, potentially corrupting the state of Zoom...

CVE-2026-3109: Improper Check for Unusual or Exceptional Conditions

Mattermost Plugins versions =11.4 10.11.11.0 fail to validate webhook request timestamps which allows an attacker to corrupt Zoom meeting state in Mattermost via replayed webhook requests. Mattermost Advisory ID: MMSA-2026-00584...

CVE-2026-33619: Server-Side Request Forgery (SSRF)

PinchTab is a standalone HTTP server that gives AI agents direct control over a Chrome browser. PinchTab v0.8.3 contains a server-side request forgery issue in the optional scheduler's webhook delivery path. When a task is submitted to POST /tasks with a user-controlled callbackUrl, the v0.8.3...

Mattermost 安全漏洞

Mattermost is an open-source collaboration platform developed by the American company Mattermost. Versions of Mattermost 11.4, 10.11.11.0, and earlier versions contain security vulnerabilities. These vulnerabilities stem from unvalidated Webhook request timestamps, which could allow unauthorized...

Mattermost Plugins 安全漏洞

Mattermost Plugins is a plugin provided by the American company Mattermost, offering powerful feature extensions and tight integration with servers and web/dashboard applications. There are security vulnerabilities in versions prior to 11.4, 11.0.4, 11.1.3, 11.3.2, and 10.11.11.0. These...

PT-2026-30543

Summary Synology Chat multi-account configuration could collapse onto a shared webhook path, replacing route ownership and bypassing per-account DM policy separation. Affected Packages / Versions - Package: openclaw npm - Affected: = 2026.3.22 - Latest released tag checked: v2026.3.23-2...

PT-2026-30542

Summary Voice Call webhook handling buffered request bodies before provider signature checks, enabling bounded unauthenticated resource exhaustion. Affected Packages / Versions - Package: openclaw npm - Affected: = 2026.3.22 - Latest released tag checked: v2026.3.23-2...

CVE-2026-21724: Improper Authorization

A vulnerability has been discovered in Grafana OSS where an authorization bypass in the provisioning contact points API allows users with Editor role to modify protected webhook URLs without the required alert.notifications.receivers.protected:write permission...

CVE-2026-3116: Uncontrolled Resource Consumption

Mattermost Plugins versions =11.4 11.0.4 11.1.3 11.3.2 10.11.11.0 fail to validate incoming request size which allows an authenticated attacker to cause service disruption via the webhook endpoint. Mattermost Advisory ID: MMSA-2026-00589...

Grafana OSS 安全漏洞

Grafana OSS is an open-source visualization dashboard developed by Grafana. There is a security vulnerability in Grafana OSS, which stems from an authorization bypass in the configuration contact point API. This vulnerability could allow users with the Editor role to modify protected Webhook URLs...

pinchtab 代码问题漏洞

Pinchtab is an open-source AI proxy browser control tool developed by Pinchtab. Version 0.8.3 of Pinchtab has a code vulnerability; this vulnerability stems from insufficient validation of the delivery path provided by the scheduler’s webhook, which may lead to server-side request forgeing...

PT-2026-28321

Name of the Vulnerable Software and Affected Versions Grafana OSS versions prior to 12.3.6 Description An authorization bypass exists in the provisioning contact points API. This issue allows users with the Editor role to modify protected webhook URLs without possessing the necessary...

PT-2026-30537

Summary Google Chat app-url webhook verification accepted add-on principals outside the intended deployment binding. Affected Packages / Versions - Package: openclaw npm - Affected: = 2026.3.22 - Latest released tag checked: v2026.3.23-2 630f1479c44f78484dfa21bb407cbe6f171dac87 - Latest published...

PT-2026-30531

Summary Before v2026.3.23, the Plivo V2 verification path treated query-only variants of the same signed request as fresh verified work. Plivo V2 signatures authenticate baseUrl + nonce, but the replay key was derived from the full verification URL including the query string, so unsigned query-on...

EUVD-2026-14920

Vikjuna: Webhook BasicAuth Credentials Exposed to Read-Only Project Collaborators via API...

GHSA-7C2G-P23P-4JG3 Vikjuna: Webhook BasicAuth Credentials Exposed to Read-Only Project Collaborators via API

Summary The GET /api/v1/projects/:project/webhooks endpoint returns webhook BasicAuth credentials basicauthuser and basicauthpassword in plaintext to any user with read access to the project. While the existing code correctly masks the HMAC secret field, the BasicAuth fields added in a later...

Vikjuna: Webhook BasicAuth Credentials Exposed to Read-Only Project Collaborators via API

Summary The GET /api/v1/projects/:project/webhooks endpoint returns webhook BasicAuth credentials basicauthuser and basicauthpassword in plaintext to any user with read access to the project. While the existing code correctly masks the HMAC secret field, the BasicAuth fields added in a later...

EUVD-2025-208991

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.10 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to cause a denial of service due to excessive resource consumption when processing certain webhook configurati...