CVE-2026-49478

Katalog CVE

CVSS 8.7 · High EPSS 0,28%

Kerentanan Server-Side Request Forgery (SSRF). Skor CVSS 3.1 8.7 (High) menurut github.com.

Deskripsi (NVD)

Fulcio is a certificate authority for issuing code signing certificates for an OpenID Connect (OIDC) identity. Versions through 1.8.5 improperly follow cross-host redirects and attach Kubernetes ServiceAccount tokens during OIDC discovery, allowing a malicious or compromised issuer to perform blind SSRF, substitute and cache malicious JWKS keys, or disclose ServiceAccount tokens to external hosts. Version 1.8.6 blocks cross-host redirects, restricts token injection, and restricts local token loading. No known workarounds are available.

Rincian

Terbit di NVD

13 Agustus 2026

Terakhir diubah

9 September 2026

Status NVD

Deferred

CVSS 3.1

8.7 (High), sumber github.com
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-918: Server-Side Request Forgery (SSRF)

EPSS (30 hari)

0,28% peluang dieksploitasi; lebih tinggi dari 19,1% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• 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