Vulnerability DatabaseCVE-2026-82282
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2026-82282
Published:August 28, 2026
Updated:September 24, 2026
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.
Related Resources (7)
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
https://github.com/runatlantis/atlantis
https://github.com/runatlantis/atlantis/issues/6622
https://nvd.nist.gov/vuln/detail/CVE-2026-82282
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82282.json
Do you need more information?
Contact Us
CVSS v4
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
NONE
CVSS v3
Base Score:
8
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Missing Authentication for Critical Function
CWE-306
EPSS
Base Score:
0.26