HIGH 8.8 NVD
CVE-2026-82282
Atlantis through 0.47.1 fails to authenticate the /github-app/setup endpoint, allowing unauthenticated attackers to access GitHub App credentials. Attackers can
Atlantis through 0.47.1 fails to authenticate the /github-app/setup endpoint, allowing unauthenticated attackers to access GitHub App credentials. Attackers can observe or intercept the GitHub redirect during setup to obtain the RSA private key and webhook secret, enabling installation token minting and webhook payload forgery.
References
- https://github.com/runatlantis/atlantis
- https://github.com/runatlantis/atlantis/blob/12bfa59f44d8f65bfdda132bff61d8f8f29af1d6/serv
- https://github.com/runatlantis/atlantis/blob/12bfa59f44d8f65bfdda132bff61d8f8f29af1d6/serv
- https://github.com/runatlantis/atlantis/issues/6622
- https://www.vulncheck.com/advisories/atlantis-github-app-setup-endpoint-returns-app-creden
This high severity vulnerability with a CVSS score of 8.8 was published on 2026-08-28 via NVD.
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