CVE-2026-79671 Ech0 before 4.4.3 SSRF via DNS Resolution Bypass

Ech0 before 4.4.3 contains a server-side request forgery vulnerability in the validateWebhookURL function webhooksettingservice.go, which only validates literal IP addresses via net.ParseIP and fails to reject hostnames that DNS-resolve to private or internal IPs e.g., 169.254.169.254.nip.io. An...

CVE-2026-79671 Ech0 before 4.4.3 SSRF via DNS Resolution Bypass

Ech0 before 4.4.3 contains a server-side request forgery vulnerability in the validateWebhookURL function webhooksettingservice.go, which only validates literal IP addresses via net.ParseIP and fails to reject hostnames that DNS-resolve to private or internal IPs e.g., 169.254.169.254.nip.io. An...

EUVD-2026-65443

Ech0 through 4.2.1 contains a server-side request forgery vulnerability in the validateWebhookURL function webhooksettingservice.go, which only validates literal IP addresses via net.ParseIP and fails to reject hostnames that DNS-resolve to private or internal IPs e.g., 169.254.169.254.nip.io. An...

CVE-2026-79671 Ech0 before 4.4.3 SSRF via DNS Resolution Bypass

Ech0 before 4.4.3 contains a server-side request forgery vulnerability in the validateWebhookURL function webhooksettingservice.go, which only validates literal IP addresses via net.ParseIP and fails to reject hostnames that DNS-resolve to private or internal IPs e.g., 169.254.169.254.nip.io. An...

CVE-2026-79671

Ech0 versions through 4.2.1 contain a server-side request forgery (SSRF) vulnerability in the validateWebhookURL function (webhook_setting_service.go). The validation only rejects literal IP addresses via net.ParseIP() but fails to reject hostnames that DNS-resolve to private or internal addresse...

CVE-2026-56708

Grav API plugin before 1.0.16 contains a server-side request forgery vulnerability in webhook delivery that allows attackers to bypass hostname validation by DNS rebinding. Attackers controlling authoritative DNS for a configured webhook hostname can answer validation lookups with public addresse...

CVE-2026-56708 Grav API Plugin before 1.0.16 SSRF via DNS Rebinding

Grav API plugin before 1.0.16 contains a server-side request forgery vulnerability in webhook delivery that allows attackers to bypass hostname validation by DNS rebinding. Attackers controlling authoritative DNS for a configured webhook hostname can answer validation lookups with public addresse...

CVE-2026-56708 Grav API Plugin before 1.0.16 SSRF via DNS Rebinding

Grav API plugin before 1.0.16 contains a server-side request forgery vulnerability in webhook delivery that allows attackers to bypass hostname validation by DNS rebinding. Attackers controlling authoritative DNS for a configured webhook hostname can answer validation lookups with public addresse...

CVE-2026-56708

The Grav API plugin before version 1.0.16 is affected by a server-side request forgery (SSRF) vulnerability in its webhook delivery mechanism. The root cause is a DNS rebinding attack that bypasses hostname validation: an attacker who controls the authoritative DNS for a configured webhook hostna...

EUVD-2026-65206

Grav API plugin before 1.0.16 contains a server-side request forgery vulnerability in webhook delivery that allows attackers to bypass hostname validation by DNS rebinding. Attackers controlling authoritative DNS for a configured webhook hostname can answer validation lookups with public addresse...

PT-2026-81391

Name of the Vulnerable Software and Affected Versions Nextcloud MCP Server versions prior to 0.117.2 Description The POST /webhooks/nextcloud endpoint lacks authentication by default because the WEBHOOK SECRET variable defaults to None and is not required during startup validation. When this secr...

PT-2026-81327

Name of the Vulnerable Software and Affected Versions PraisonAI versions prior to 4.6.58 Description A Server-Side Request Forgery SSRF issue exists due to a Time-of-Check to Time-of-Use TOCTOU flaw and a fail-open DNS validation mechanism. The JobSubmitRequest.validate webhook url function...

PT-2026-81290

Ech0 through 4.2.1 contains a server-side request forgery vulnerability in the validateWebhookURL function webhook setting service.go, which only validates literal IP addresses via net.ParseIP and fails to reject hostnames that DNS-resolve to private or internal IPs e.g., 169.254.169.254.nip.io. ...

PT-2026-81326

Name of the Vulnerable Software and Affected Versions PraisonAI versions prior to 4.6.58 Description The Jobs API contains a flaw where the validate webhook url function fails open when a socket.gaierror occurs during DNS resolution. This allows the webhook url parameter to bypass validation if t...

PT-2026-81135

Grav API plugin before 1.0.16 contains a server-side request forgery vulnerability in webhook delivery that allows attackers to bypass hostname validation by DNS rebinding. Attackers controlling authoritative DNS for a configured webhook hostname can answer validation lookups with public addresse...

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-2026-76838 Hi.Events before 1.11.1-beta Server-Side Request Forgery via Unvalidated Webhook Redirects

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,...

EUVD-2026-65010

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-2026-76838 Hi.Events before 1.11.1-beta Server-Side Request Forgery via Unvalidated Webhook Redirects

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-2026-76838

Hi.Events (an open-source event management platform) is affected by a Server-Side Request Forgery (SSRF) vulnerability in its webhook handling. The NoInternalUrlRule validates a webhook destination using gethostbyname() only at registration time , but the WebhookDispatchService never revalidates ...