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SCA: security update for github.com/sigstore/sigstore-go (GHSA-9vcr-p3rj-q5q6)

high Tenable Self-Hosted Container Security Plugin ID 445574

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 1.2.0, a verifier configured
 with WithTransparencyLog(N>1) or WithSignedCertificateTimestamps(N>1) counts verified witnesses per entry
 or per validation path rather than per log authority, allowing a single compromised transparency log or CT
 log to satisfy multi-log threshold requirements and defeat the multi-log policy. This issue is fixed in
 version 1.2.0. (CVE-2026-49834)

Solution

Update the github.com/sigstore/sigstore-go library and its related packages to version 1.2.0 or later.

See Also

https://github.com/advisories/GHSA-9vcr-p3rj-q5q6

Plugin Details

Severity: High

ID: 445574

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 8/1/2026

Updated: 8/1/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.76

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:N

CVSS Score Source: CVE-2026-49834

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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: 7/9/2026

Vulnerability Publication Date: 7/9/2026

Reference Information

CVE: CVE-2026-49834