CVE-2025-52477

Octo-STS Vulnerable to Unauthenticated SSRF with HTTP Response Reflection in OIDC Flow

CVSS 8.6 HIGHEPSS 0.4%CWE-918

Vexday Risk Score

21Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 8.6EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

26 jun 2025Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

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.

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

Produtos afetados

octo-sts · app

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Referências

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