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SCA: security update for github.com/sigstore/sigstore-go (GHSA-wqqc-jjcq-vfxm)

low Tenable Cloud Security Plugin ID 445554

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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-2026-54787)

Solution

Update the github.com/sigstore/sigstore-go library and its related packages to version 1.2.1 or later.

See Also

https://github.com/advisories/GHSA-wqqc-jjcq-vfxm

Plugin Details

Severity: Low

ID: 445554

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 8/1/2026

Updated: 8/1/2026

Risk Information

Vendor

Vendor Severity: Low

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

Vector: CVSS2#AV:N/AC:H/Au:S/C:N/I:P/A:N

CVSS Score Source: CVE-2026-54787

CVSS v3

Risk Factor: Low

Base Score: 3.1

Temporal Score: 2.7

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 7/31/2026

Vulnerability Publication Date: 7/31/2026

Reference Information

CVE: CVE-2026-54787

cwe: CWE-324