EUVD-2026-88022

Nezha versions 2.0.10 through 2.3.2 use a restricted HTTP client to validate user-configurable notification and DDNS webhook URLs, but the denylist did not cover IPv6 transition ranges — specifically the 6to4 prefix 2002::/16 and the local-use IPv4/IPv6 translation prefix 64:ff9b:1::/48. Because...

CVE-2026-101087

Nezha versions 2.0.10 through 2.3.2 are vulnerable to a server-side request forgery (SSRF) denylist bypass. The software uses a restricted HTTP client to validate user-configurable notification and DDNS webhook URLs, but the denylist fails to include specific IPv6 transition ranges, namely the 6t...

CVE-2026-101087 Nezha 2.0.10 through 2.3.2 SSRF Denylist Bypass IPv6

Nezha versions 2.0.10 through 2.3.2 use a restricted HTTP client to validate user-configurable notification and DDNS webhook URLs, but the denylist did not cover IPv6 transition ranges — specifically the 6to4 prefix 2002::/16 and the local-use IPv4/IPv6 translation prefix 64:ff9b:1::/48. Because...

CVE-2026-101049: Improper Authentication

Heym before 0.0.53 fails to verify Slack request signatures when trigger nodes lack credential IDs or have empty signing secrets. Remote unauthenticated attackers can send forged Slack events to known webhook URLs to trigger workflows with the owner's credentials...

Server-side Request Forgery (SSRF)

Overview snipe/snipe-it is an asset management system built on Laravel. Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the ExternalUrl validation process. An attacker can access internal services or cloud metadata endpoints by configuring webhook URLs with...

CVE-2026-86122 Rowboat through 0.9.1 Server-Side Request Forgery via Custom MCP Server

Rowboat through 0.9.1 fails to validate custom MCP server and webhook URLs, allowing authenticated users to configure arbitrary destinations. Attackers can point these URLs at internal services and cloud metadata endpoints to perform server-side request forgery and enumerate internal network...

CVE-2026-86122: Server-Side Request Forgery (SSRF)

Rowboat through 0.9.1 fails to validate custom MCP server and webhook URLs, allowing authenticated users to configure arbitrary destinations. Attackers can point these URLs at internal services and cloud metadata endpoints to perform server-side request forgery and enumerate internal network...

CVE-2026-85179: Server-Side Request Forgery (SSRF)

Label Studio through 1.23.0 fails to validate webhook URLs, allowing authenticated users to dispatch requests to internal services including RFC 1918 addresses and cloud metadata endpoints. Attackers can create webhooks targeting private networks and exfiltrate annotation data by enabling payload...

CVE-2026-74242 Quay: repository notification uuid idor in quay api

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...

Open WebUI: /api/v1/channels/{id}/members exposes full user model including sensitive credentials

SummaryThe channel members endpoint serializes and returns full user models for channel participants, including settings objects. A normal user in a DM can retrieve admin-only sensitive configuration such as webhook URLs and tool server key material settings.ui.toolServers.key, which is not...

PYSEC-2026-3598 Open WebUI: /api/v1/channels/{id}/members exposes full user model including sensitive credentials

Summary The channel members endpoint serializes and returns full user models for channel participants, including settings objects. A normal user in a DM can retrieve admin-only sensitive configuration such as webhook URLs and tool server key material settings.ui.toolServers.key, which is not...

GHSA-GH7P-78X6-JW6M Open WebUI: /api/v1/channels/{id}/members exposes full user model including sensitive credentials

Summary The channel members endpoint serializes and returns full user models for channel participants, including settings objects. A normal user in a DM can retrieve admin-only sensitive configuration such as webhook URLs and tool server key material settings.ui.toolServers.key, which is not...

Open WebUI: /api/v1/channels/{id}/members exposes full user model including sensitive credentials

Summary The channel members endpoint serializes and returns full user models for channel participants, including settings objects. A normal user in a DM can retrieve admin-only sensitive configuration such as webhook URLs and tool server key material settings.ui.toolServers.key, which is not...

Information Exposure

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Information Exposure via the GET /api/v1/channels/id/members endpoint. An attacker can access sensitive configuration data, including webhook URLs and tool server credentials belonging to other users, by maki...

CVE-2026-53446

Wekan is open source kanban built with Meteor. Prior to 9.32, Wekan webhook integration URLs in models/integrations.js are stored from user input and later fetched by server/notifications/outgoing.js without applying the existing validateAttachmentUrl private-network checks from...

CVE-2026-53446

Wekan is open source kanban built with Meteor. Prior to 9.32, Wekan webhook integration URLs in models/integrations.js are stored from user input and later fetched by server/notifications/outgoing.js without applying the existing validateAttachmentUrl private-network checks from...

CVE-2026-53446

CVE-2026-53446 affects Wekan prior to 9.32, where webhook integration URLs stored in models/integrations.js are fetched by server/notifications/outgoing.js without applying the private-network checks in models/lib/attachmentUrlValidation.js. This enables a board administrator to configure webhook...

EUVD-2026-44831

Wekan is open source kanban built with Meteor. Prior to 9.32, Wekan webhook integration URLs in models/integrations.js are stored from user input and later fetched by server/notifications/outgoing.js without applying the existing validateAttachmentUrl private-network checks from...

CVE-2026-59155 Nezha Monitoring: DDNS and Notification credential exposure via unredacted list API

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. Prior to 2.2.5, the GET /api/v1/ddns and GET /api/v1/notification endpoints return full resource objects including plaintext third-party API credentials, including Cloudflare API tokens, TencentCloud...

PYSEC-2026-3443

Crawl4AI before 0.8.7 contains a server-side request forgery SSRF vulnerability in the Docker API server's /crawl/job and /llm/job endpoints, which accept webhook URLs without destination validation. An attacker can supply webhook URLs pointing to private or internal IP ranges, Docker networks, o...