CVE-2026-58416

HighCVSS 7.1/10Last modified Aug 26, 2026

Description

Fork-PR Actions task can read a third private repository via the collaborative-owner branch (missing fork-PR guard)

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N

Weakness enumeration

CWE-280CWE-863

Affected software

No affected versions have been published.

Timeline

Published
Aug 13, 2026
Last modified
Aug 26, 2026
NVD status
Deferred

Related CVEs from 2026

CVE-2026-584177.5REST API exposes organization membership of private organizations to publicCVE-2026-584186.5SSRF via HTTP Redirect in Repository MigrationCVE-2026-584197.5Notification API leaks private issue metadata after access revocationCVE-2026-58427.3A security vulnerability has been detected in decolua 9router up to 0.3.47. The impacted element is an unknown function of the file /api of CVE-2026-584204.4Local File Inclusion via file:// URI in Migration RestoreCVE-2026-584217.5Unauthenticated ReDoS via CODEOWNERS pattern matching allows denial of serviceCVE-2026-584229.8Improper authorization on OAuth sign-in callback silently re-enables administrator-disabled accountsCVE-2026-584237.7LFS authentication bypass via malformed SSH sub-verb allows unauthorized read access to private repositoriesCVE-2026-584248.9Permanent Fork PR Workflow Approval Gate BypassCVE-2026-584254.3OAuth token introspection returns metadata of tokens issued to other clients (RFC 7662 section 4 violation)CVE-2026-584269.6Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state writeCVE-2026-584277.5Private org member list leaked via /members API endpoint — incomplete fix for PR #38145
CVE-2026-58416: High severity, CVSS 7.1 | Vulnix