GO-2026-5753 New API: Stripe Webhook Signature Bypass via Empty Secret Enables Unlimited Quota Fraud in github.com/QuantumNous/new-api

New API: Stripe Webhook Signature Bypass via Empty Secret Enables Unlimited Quota Fraud in github.com/QuantumNous/new-api...

GO-2026-5654 In monetr, unauthenticated Stripe webhook reads attacker-sized request bodies before signature validation in github.com/monetr/monetr

In monetr, unauthenticated Stripe webhook reads attacker-sized request bodies before signature validation in github.com/monetr/monetr...

GO-2026-5734 Mattermost MS Teams plugin doesn't limit the request body size on the /lifecycle webhook endpoint in github.com/mattermost/mattermost-plugin-msteams

Mattermost MS Teams plugin doesn't limit the request body size on the /lifecycle webhook endpoint in github.com/mattermost/mattermost-plugin-msteams...

GO-2026-5605 Gotenberg has an unauthenticated denial of service via echo.Context pool reuse in webhook async goroutine in github.com/gotenberg/gotenberg

Gotenberg has an unauthenticated denial of service via echo.Context pool reuse in webhook async goroutine in github.com/gotenberg/gotenberg...

GO-2026-5535 Casdoor vulnerable to SSRF via crafted Webhook URL in github.com/casdoor/casdoor

Casdoor vulnerable to SSRF via crafted Webhook URL in github.com/casdoor/casdoor...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the Webhook URL handling process. An attacker can access internal network resources or sensitive endpoints by supplying a crafted URL. Remediation There is no fixed version for...

GO-2026-5603 Ech0 has SSRF via DNS Resolution Bypass in Webhook URL Validation in github.com/lin-snow/ech0

Ech0 has SSRF via DNS Resolution Bypass in Webhook URL Validation in github.com/lin-snow/ech0. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability...

GO-2026-5508 axonflow-sdk-go: Webhook signing-key (HMAC-SHA256) not exposed by SDK type, preventing signature verification in github.com/getaxonflow/axonflow-sdk-go

axonflow-sdk-go: Webhook signing-key HMAC-SHA256 not exposed by SDK type, preventing signature verification in github.com/getaxonflow/axonflow-sdk-go...

GO-2026-5462 Argo Vulnerable to Unauthenticated Memory Exhaustion (DoS) in Webhook Interceptor in github.com/argoproj/argo-workflows

Argo Vulnerable to Unauthenticated Memory Exhaustion DoS in Webhook Interceptor in github.com/argoproj/argo-workflows...

CVE-2026-56767

Maxun before 0.0.42 contains a cross-tenant insecure direct object reference vulnerability in storage and webhook API handlers that allows authenticated users to access other users' robots and OAuth tokens. Attackers can read plaintext Google and Airtable access tokens, modify, delete, or execute...

CVE-2026-57522 Bitwarden Server < 2026.5.0 JSON Injection via Webhook Templates

Bitwarden Server before 2026.5.0 contains a JSON injection vulnerability in IntegrationTemplateProcessor.ReplaceTokens, which substitutes user-controlled values into event-integration templates without JSON encoding. When an organization has configured an event integration whose template referenc...

CVE-2026-57522 Bitwarden Server < 2026.5.0 JSON Injection via Webhook Templates

Bitwarden Server before 2026.5.0 contains a JSON injection vulnerability in IntegrationTemplateProcessor.ReplaceTokens, which substitutes user-controlled values into event-integration templates without JSON encoding. When an organization has configured an event integration whose template referenc...

GO-2026-5312 Gogs has SSRF in webhook deliveries in gogs.io/gogs

Gogs has SSRF in webhook deliveries in gogs.io/gogs. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the...

GO-2026-5194 Nezha's authenticated DDNS webhook configuration allows blind SSRF from the dashboard host in github.com/nezhahq/nezha in github.com/naiba/nezha

Nezha's authenticated DDNS webhook configuration allows blind SSRF from the dashboard host in github.com/nezhahq/nezha in github.com/naiba/nezha. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this i...

GO-2026-5219 Grafana OSS: Authorization bypass allows users with Editor role to modify protected webhook URLs without permissions in github.com/grafana/grafana

Grafana OSS: Authorization bypass allows users with Editor role to modify protected webhook URLs without permissions in github.com/grafana/grafana. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this...

GO-2026-5269 Volcano's webhook server vulnerable to OOM due to unbounded HTTP request body size in volcano.sh/volcano

Volcano's webhook server vulnerable to OOM due to unbounded HTTP request body size in volcano.sh/volcano...

GO-2026-5153 Mattermost MS Teams plugin doesn't limit the request body size on the /changes webhook endpoint in github.com/mattermost/mattermost-plugin-msteams

Mattermost MS Teams plugin doesn't limit the request body size on the /changes webhook endpoint in github.com/mattermost/mattermost-plugin-msteams...

GO-2026-5101 Dozzle: Pre-auth SSRF with response-body reflection via POST /api/notifications/test-webhook (default no-auth deploy) in github.com/amir20/dozzle

Dozzle: Pre-auth SSRF with response-body reflection via POST /api/notifications/test-webhook default no-auth deploy in github.com/amir20/dozzle...

GO-2026-5155 Gotenberg Vulnerable to Unauthenticated SSRF via Unfiltered Webhook URL in github.com/gotenberg/gotenberg

Gotenberg Vulnerable to Unauthenticated SSRF via Unfiltered Webhook URL in github.com/gotenberg/gotenberg...

GO-2026-5151 Gotenberg has case-insensitive URL scheme that bypasses webhook and downloadFrom deny-list SSRF protection in github.com/gotenberg/gotenberg

Gotenberg has case-insensitive URL scheme that bypasses webhook and downloadFrom deny-list SSRF protection in github.com/gotenberg/gotenberg...