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CVE-2026-82282 Details

UNDERGOING ENRICHMENT

The CVE is currently being enriched by the Volerion team. The enrichment process results in the association of reference link tags, CVSS, and CPE applicability statement data.

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:…Vector:This vulnerability is currently being analyzed.

CNA: [email protected]CVSS-B:8 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/runatlantis/atlantis	[email protected]
https://github.com/runatlantis/atlantis/blob/12bfa59f44d8f65bfdda132bff61d8f8f29af1d6/server/controllers/github_app_controller.go	[email protected]
https://github.com/runatlantis/atlantis/blob/12bfa59f44d8f65bfdda132bff61d8f8f29af1d6/server/middleware.go	[email protected]
https://github.com/runatlantis/atlantis/issues/6622	[email protected]
https://www.vulncheck.com/advisories/atlantis-github-app-setup-endpoint-returns-app-credentials-to-unauthenticated-callers	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-306	Missing Authentication for Critical Function	[email protected]

Affected Products

This vulnerability is currently being analyzed

Change History

2 change records found show changes

Date	Action	Recorded By
Aug 31, 2026	CVE Modified	CISA-ADP
Aug 28, 2026	New CVE Received	[email protected]