CVE-2026-57210

Heimdall is a cloud native Identity Aware Proxy and Access Control Decision service. Prior to version 0.17.17, when the trustedproxies option is configured, heimdall extracts client IP addresses from the Forwarded for= parameter and X-Forwarded-For headers and exposes them as...

CVE-2026-57210

The Heimdall cloud-native Identity Aware Proxy and Access Control Decision service is vulnerable to IP spoofing in versions prior to 0.17.17 . When the trusted_proxies option is enabled, the software extracts client IP addresses from Forwarded and X-Forwarded-For headers but fails to validate the...

CVE-2026-57210 Heimdall: IP Spoofing via Unvalidated Forwarding Headers

Heimdall is a cloud native Identity Aware Proxy and Access Control Decision service. Prior to version 0.17.17, when the trustedproxies option is configured, heimdall extracts client IP addresses from the Forwarded for= parameter and X-Forwarded-For headers and exposes them as...

EUVD-2026-108750

Heimdall is a cloud native Identity Aware Proxy and Access Control Decision service. Prior to version 0.17.17, when the trustedproxies option is configured, heimdall extracts client IP addresses from the Forwarded for= parameter and X-Forwarded-For headers and exposes them as...

CVE-2026-57210 Heimdall: IP Spoofing via Unvalidated Forwarding Headers

Heimdall is a cloud native Identity Aware Proxy and Access Control Decision service. Prior to version 0.17.17, when the trustedproxies option is configured, heimdall extracts client IP addresses from the Forwarded for= parameter and X-Forwarded-For headers and exposes them as...

CVE-2026-57210

When the "trustedproxies" option is configured, heimdall extracts client IP addresses from the "Forwarded" "for=" parameter and "X-Forwarded-For" headers and exposes them as "Request.ClientIPAddresses" to the rule pipeline. However, extracted values are not validated to be syntactically valid IP...