CVE Alert: CVE-2025-52477
Vulnerability Summary: CVE-2025-52477
Octo-STS is a GitHub App that acts like a Security Token Service (STS) for the GitHub API. Octo-STS versions before v0.5.3 are vulnerable to unauthenticated SSRF by abusing fields in OpenID Connect tokens. Malicious tokens were shown to trigger internal network requests which could reflect error logs with sensitive information. Upgrade to v0.5.3 to resolve this issue. This version includes patch sets to sanitize input and redact logging.
Affected Endpoints:
No affected endpoints listed.
Published Date:
6/26/2025, 5:15:30 PM
🔥 CVSS Score:
Exploit Status:
Not ExploitedReferences:
- https://github.com/octo-sts/app/commit/0f177fde54f9318e33f0bba6abaea9463a7c3afd
- https://github.com/octo-sts/app/commit/b3976e39bd8c8c217c0670747d34a4499043da92
- https://github.com/octo-sts/app/security/advisories/GHSA-h3qp-hwvr-9xcq
- https://github.com/octo-sts/app/security/advisories/GHSA-h3qp-hwvr-9xcq
Recommended Action:
No proposed action available. Please refer to vendor documentation for updates.
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