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Version: v1.2.x

CVE-2026-54787

CVE Details

Visit the official vulnerability details page for CVE-2026-54787 to learn more.

Initial Publication

07/31/2026

Last Update

08/01/2026

Third Party Dependency

github.com/sigstore/sigstore-go

NIST CVE Summary

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.

CVE Severity

3.1

Our Official Summary

Investigation is ongoing to determine how this vulnerability affects our products.

Status

Received

Affected Products & Versions

VersionPaletteAIPaletteAI VerteX
1.2.1⚠️ Impacted⚠️ Impacted
1.1.8⚠️ Impacted⚠️ Impacted

Revision History

No revisions available.