CVE-2026-44502 Bugsink: SSRF bypass in `validate_webhook_url`

Bugsink is a self-hosted error tracking tool. Prior to 2.1.3, Bugsink’s webhook URL validation could be partially bypassed because of a mismatch in URL parsing. The original validation logic parsed webhook URLs with Python’s urllib.parse.urlparse, then sent the request with requests.post. For...

Server-side Request Forgery (SSRF)

Overview bugsink is a Self-hosted Error Tracking Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the validatewebhookurl process. An attacker can cause the application to send outbound HTTP POST requests to unintended hosts, including internal or...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the validateWebhookURL function. An administrator can access internal network resources and cloud metadata endpoints by submitting webhook URLs that use hostnames resolving to private IP addresses,...

GHSA-R2X7-427F-RQ69 Ech0 has SSRF via DNS Resolution Bypass in Webhook URL Validation

Summary The validateWebhookURL function in webhooksettingservice.go attempts to block webhooks targeting private/internal IP addresses, but only checks literal IP strings via net.ParseIP. Hostnames that DNS-resolve to private IPs e.g., 169.254.169.254.nip.io, 10.0.0.1.nip.io bypass all checks,...