Threats Tagged 'ghsa-f5mr-q85p-6hh6'
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Threats Tagged 'ghsa-f5mr-q85p-6hh6'
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GHSA-f5mr-q85p-6hh6: Fulcio has OIDC Discovery Redirect Following Allows SSRF and JWKS Substitution for Meta-Issuer Paths, with Kubernetes Service-Account Token LeakageCVE-2026-49478 0 Fulcio versions prior to 1.8.6 contain multiple vulnerabilities in the OIDC Discovery client, including blind SSRF via cross-host redirects, JWKS substitution leading to cache poisoning, and leakage of Kubernetes ServiceAccount tokens to unauthorized hosts. These issues arise from improper handling of HTTP redirects and token attachment during OIDC metadata discovery. The vulnerabilities allow attackers to redirect discovery requests to internal systems, poison verification key caches, and leak sensitive tokens. The issues have been addressed in version 1.8.6 by blocking cross-host redirects, restricting token injection to exact host matches, and limiting local token loading to the Kubernetes API server URL. Join the discussion | GCVE Database | 06/30/2026, 18:38:45 UTC Added: 06/30/2026, 23:36:02 UTC |
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