CVE-2026-76838

Hi.Events validates a webhook destination only when it is registered, never when it is used. NoInternalUrlRule in backend/app/Validators/Rules/NoInternalUrlRule.php resolves the hostname with gethostbyname and rejects private and reserved ranges, which any public hostname passes. At dispatch,...

CVE-2026-71272

Memos' webhook dispatch function safeDialContext internal/webhook/webhook.go resolves the target hostname via net.DefaultResolver.LookupHost and validates the resulting IPs against reserved ranges, but then dials net.JoinHostPorthost, port using the original hostname rather than the...

CVE-2026-71272

Memos' webhook dispatch function safeDialContext internal/webhook/webhook.go resolves the target hostname via net.DefaultResolver.LookupHost and validates the resulting IPs against reserved ranges, but then dials net.JoinHostPorthost, port using the original hostname rather than the...

EUVD-2026-53357

Memos' webhook dispatch function safeDialContext internal/webhook/webhook.go resolves the target hostname via net.DefaultResolver.LookupHost and validates the resulting IPs against reserved ranges, but then dials net.JoinHostPorthost, port using the original hostname rather than the...

CVE-2026-71272: Time-of-check Time-of-use (TOCTOU) Race Condition

Memos' webhook dispatch function safeDialContext internal/webhook/webhook.go resolves the target hostname via net.DefaultResolver.LookupHost and validates the resulting IPs against reserved ranges, but then dials net.JoinHostPorthost, port using the original hostname rather than the...

Improper Authentication

pytonapi is vulnerable to Improper Authentication. The vulnerability is due to TonapiWebhookDispatcher failing to validate the Authorization header for webhook handlers registered with a custom path, because bearer tokens are only mapped to the default webhook paths, which allows an unauthenticat...

CVE-2026-62234 Grav < 2.0.4 SSRF via Unrestricted cURL Protocols

Grav before 2.0.4 fails to restrict cURL protocols in webhook dispatch, allowing authenticated users with api.webhooks.write permission to create webhooks with file://, dict://, or gopher:// URLs. Attackers can trigger webhook events to read local files, access process information, or pivot to...

CVE-2026-62234

Grav before 2.0.4 fails to restrict cURL protocols in webhook dispatch, allowing authenticated users with api.webhooks.write permission to create webhooks with file://, dict://, or gopher:// URLs. Attackers can trigger webhook events to read local files, access process information, or pivot to...

CVE-2026-62234: Server-Side Request Forgery (SSRF)

Grav before 2.0.4 fails to restrict cURL protocols in webhook dispatch, allowing authenticated users with api.webhooks.write permission to create webhooks with file://, dict://, or gopher:// URLs. Attackers can trigger webhook events to read local files, access process information, or pivot to...

Dozzle: Pre-auth SSRF with response-body reflection via POST /api/notifications/test-webhook (default no-auth deploy)

Summary In a default dozzle deploy the documented quickstart, no DOZZLEAUTHPROVIDER set, POST /api/notifications/test-webhook is reachable without authentication and forwards an attacker-controlled URL into a WebhookDispatcher that: - Sends an HTTP POST to the supplied URL with attacker-controlle...

PT-2026-27626

Name of the Vulnerable Software and Affected Versions PinchTab versions prior to 0.8.4 Description PinchTab includes an optional scheduler that, in version 0.8.3, had a server-side request forgery issue in its webhook delivery path. When a task is submitted to the POST /tasks endpoint with a...