CVE-2026-53450

The CVE-2026-53450 entry affects Coturn (TURN/STUN server). A defect in prior releases (

CVE-2026-53450 Coturn: IPv4-mapped 127.0.0.1 bypasses default loopback peer protection

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.13.0, coturn rejects loopback peers by default unless allow-loopback-peers is enabled, but the default loopback guard can be bypassed by using the IPv4-mapped IPv6 peer address ::ffff:127.0.0.1 in a TURN...

CVE-2026-53450 Coturn: IPv4-mapped 127.0.0.1 bypasses default loopback peer protection

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.13.0, coturn rejects loopback peers by default unless allow-loopback-peers is enabled, but the default loopback guard can be bypassed by using the IPv4-mapped IPv6 peer address ::ffff:127.0.0.1 in a TURN...

CVE-2026-53450

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.13.0, coturn rejects loopback peers by default unless allow-loopback-peers is enabled, but the default loopback guard can be bypassed by using the IPv4-mapped IPv6 peer address ::ffff:127.0.0.1 in a TURN...

CVE-2026-53450 Coturn: IPv4-mapped 127.0.0.1 bypasses default loopback peer protection

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.13.0, coturn rejects loopback peers by default unless allow-loopback-peers is enabled, but the default loopback guard can be bypassed by using the IPv4-mapped IPv6 peer address ::ffff:127.0.0.1 in a TURN...

CVE-2026-53450

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.13.0, coturn rejects loopback peers by default unless allow-loopback-peers is enabled, but the default loopback guard can be bypassed by using the IPv4-mapped IPv6 peer address ::ffff:127.0.0.1 in a TURN...

CVE-2026-55671 ZITADEL: Server-Side Request Forgery (SSRF) and Denylist Bypass in Outgoing HTTP Components

ZITADEL is an open source identity management platform. From 4.0.0-rc.1 through 4.15.1, ZITADEL's HTTP notification channels, OIDC BackChannel Logout, and SAML metadata URL fetches do not consistently validate user-defined URLs against protected denylist handling, allowing server-side requests to...

CVE-2026-55671 ZITADEL: Server-Side Request Forgery (SSRF) and Denylist Bypass in Outgoing HTTP Components

ZITADEL is an open source identity management platform. From 4.0.0-rc.1 through 4.15.1, ZITADEL's HTTP notification channels, OIDC BackChannel Logout, and SAML metadata URL fetches do not consistently validate user-defined URLs against protected denylist handling, allowing server-side requests to...

CVE-2026-56675

9Router is an AI router & token saver. Prior to 0.5.2, 9router treats loopback requests as trusted and allows /v1/ access without an API key, so a same-host reverse proxy that forwards public traffic to the backend through 127.0.0.1 causes src/dashboardGuard.js to misclassify external requests as...

CVE-2026-56675 9router: Reverse proxy locality collapse allows unauthenticated access to 9router /v1 APIs

9Router is an AI router & token saver. Prior to 0.5.2, 9router treats loopback requests as trusted and allows /v1/ access without an API key, so a same-host reverse proxy that forwards public traffic to the backend through 127.0.0.1 causes src/dashboardGuard.js to misclassify external requests as...

CVE-2026-56675 9router: Reverse proxy locality collapse allows unauthenticated access to 9router /v1 APIs

9Router is an AI router & token saver. Prior to 0.5.2, 9router treats loopback requests as trusted and allows /v1/ access without an API key, so a same-host reverse proxy that forwards public traffic to the backend through 127.0.0.1 causes src/dashboardGuard.js to misclassify external requests as...

CVE-2026-56675 9router: Reverse proxy locality collapse allows unauthenticated access to 9router /v1 APIs

9Router is an AI router & token saver. Prior to 0.5.2, 9router treats loopback requests as trusted and allows /v1/ access without an API key, so a same-host reverse proxy that forwards public traffic to the backend through 127.0.0.1 causes src/dashboardGuard.js to misclassify external requests as...

Unsafe Dependency Resolution

Overview Affected versions of this package are vulnerable to Unsafe Dependency Resolution when the gh codespace jupyter process opens a JupyterLab URL supplied by a process inside a Codespace without validating that it is a loopback HTTP or HTTPS address. An attacker can execute arbitrary command...

PT-2026-57301

Name of the Vulnerable Software and Affected Versions RabbitMQ versions prior to 3.13.15 RabbitMQ versions prior to 4.0.20 RabbitMQ versions prior to 4.1.11 RabbitMQ versions prior to 4.2.6 Description Authentication for AMQP 0-9-1, AMQP 1.0, and Stream Protocol allows a loopback-restricted user,...

CVE-2026-57575: Server-Side Request Forgery (SSRF)

Misskey is an open source, federated social media platform. Prior to 2026.6.0, Misskey contains a Server-Side Request Forgery SSRF vulnerability in URL preview functionality in UrlPreviewService. Due to missing network restrictions before establishing outbound connections, a remote attacker can...

CVE-2026-56675: Improper Authentication

9Router is an AI router & token saver. Prior to 0.5.2, 9router treats loopback requests as trusted and allows /v1/ access without an API key, so a same-host reverse proxy that forwards public traffic to the backend through 127.0.0.1 causes src/dashboardGuard.js to misclassify external requests as...

PT-2026-61814

Summary A Clauster instance bound to a non-loopback address e.g. 0.0.0.0 or a LAN IP can serve the entire dashboard and its API without any authentication — even when the operator has configured a password — if auth.enabled is left at its default false. The operator believes the instance is...

PT-2026-57222

Name of the Vulnerable Software and Affected Versions 9Router versions prior to 0.5.2 Description 9Router treats loopback requests as trusted, allowing access to the /v1/ endpoints without an API key. When a same-host reverse proxy forwards public traffic to the backend via 127.0.0.1, the...

CVE-2026-59831

GitHub CLI gh is GitHub’s official command line tool. From 2.10.0 through 2.95.0, connecting to a malicious Codespace with gh codespace jupyter can allow command execution because the command opens a JupyterLab URL supplied by a process inside the Codespace without validating that it is a loopbac...

CVE-2026-59831

GitHub CLI gh is GitHub’s official command line tool. From 2.10.0 through 2.95.0, connecting to a malicious Codespace with gh codespace jupyter can allow command execution because the command opens a JupyterLab URL supplied by a process inside the Codespace without validating that it is a loopbac...