GHSA-7777-FHQ9-592V ZITADEL has potential SSRF via Actions

Summary ZITADEL Action V2 introduced as early preview in 2.59.0, beta in 3.0.0 and GA in 4.0.0 is a webhook based approach to allow developers act on API request to Zitadel and customize flows such the issue of a token. ZITADEL's Action target URLs can point to local hosts, potentially allowing...

CVE-2026-27945 ZITADEL has potential SSRF via Actions

ZITADEL is an open source identity management platform. Zitadel Action V2 introduced as early preview in 2.59.0, beta in 3.0.0 and GA in 4.0.0 is a webhook based approach to allow developers act on API request to Zitadel and customize flows such the issue of a token. Zitadel's Action target URLs...

CVE-2026-27945

Zitadel Action V2 exposes a SSRF risk by targeting internal/localhost URLs. The issue arises when Action target URLs point to local hosts, enabling potential discovery of internal network structure and services. A fix is available in Zitadel v4.11.1, which denies localhost/loopback addresses via ...