CVE-2026-82282
Atlantis GitHub App Setup Endpoint Returns App Credentials to Unauthenticated Callers
CVSS 4.0 8.8 HIGHCVSS 3.1 8.0 HIGHCheck source for fixed versionsKEV status unknown
cve-program · CVE-2026-82282
PublishedAtlantis 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.
Read the publisher's advisoryAffected versions, risk and source history
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CVE-2026-82282 · CVE overview and exploitation status
cve-program · CVE-2026-82282
- https://github.com/runatlantis/atlantis/issues/6622
- https://github.com/runatlantis/atlantis
- https://github.com/runatlantis/atlantis/blob/12bfa59f44d8f65bfdda132bff61d8f8f29af1d6/server/controllers/github_app_controller.go
- https://github.com/runatlantis/atlantis/blob/12bfa59f44d8f65bfdda132bff61d8f8f29af1d6/server/middleware.go
- https://www.vulncheck.com/advisories/atlantis-github-app-setup-endpoint-returns-app-credentials-to-unauthenticated-callers
Related changes
Linked by CVE identifierNo related changes are available here.