EUVD-2026-57859Published
Fulcio has OIDC Discovery Redirect Following Allows SSRF and JWKS Substitution for Meta-Issuer Paths, with Kubernetes Service-Account Token Leakage
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-49478 · Microsoft / collected KEV context
cve-program · CVE-2026-49478
- https://github.com/sigstore/fulcio/security/advisories/GHSA-f5mr-q85p-6hh6
- https://github.com/sigstore/fulcio/pull/2354
- https://github.com/sigstore/fulcio/commit/378c654f48c3bafdced04ead7010aab2cb4c6ca1
- https://github.com/sigstore/fulcio/releases/tag/v1.8.6
euvd · EUVD-2026-57859
- https://github.com/sigstore/fulcio/security/advisories/GHSA-f5mr-q85p-6hh6
- https://github.com/sigstore/fulcio/pull/2354
- https://github.com/sigstore/fulcio/commit/378c654f48c3bafdced04ead7010aab2cb4c6ca1
- https://github.com/sigstore/fulcio/releases/tag/v1.8.6
nvd · CVE-2026-49478
- https://github.com/sigstore/fulcio/commit/378c654f48c3bafdced04ead7010aab2cb4c6ca1
- https://github.com/sigstore/fulcio/pull/2354
- https://github.com/sigstore/fulcio/releases/tag/v1.8.6
- https://github.com/sigstore/fulcio/security/advisories/GHSA-f5mr-q85p-6hh6
osv · GHSA-f5mr-q85p-6hh6
- https://github.com/sigstore/fulcio/security/advisories/GHSA-f5mr-q85p-6hh6
- https://github.com/sigstore/fulcio
osv · GO-2026-5853
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.