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 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.

  • Published Aug 28, 2026
  • CVSS 8.8 high
  • 0.4% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-82282 at the National Vulnerability Database