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CVE Watch23 oct 2026

CVE-2026-54787

sigstore-go is a Go library for Sigstore signing and verification. Prior to 1.2.1, sigstore-go does not check a bundle signing timestamp aga

CVSS

3.1

Bajo

EPSS

0.1%

p3

KEV

—

Exploit Today

1

0-100

Publicado: 31 jul 2026 · Última mod.: 23 oct 2026 · CWE-324

EPSS · 30d
0.1%EPSS · 30 días0.1%
2026-09-282026-10-25
Descripción técnica

sigstore-go is a Go library for Sigstore signing and verification. Prior to 1.2.1, sigstore-go does not check a bundle signing timestamp against the validity window of an ExpiringKey wrapping a self-managed long-lived signing key without a certificate, which can allow an attacker holding expired key material to sign accepted bundles. This issue is fixed in version 1.2.1.

Referencias oficiales
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