Advisories for Golang/Github.com/Runatlantis/Atlantis package

2026

Atlantis Workspace Handling has Path Traversal that Allows Out-of-Bounds Directory Deletion/Creation

Atlantis versions >= 0.19.8 and < 0.45.0 did not consistently validate user-controlled workspace values before using them to construct local workspace paths. A crafted workspace value containing path traversal segments could cause Atlantis to resolve workspace paths outside the intended per-pull workspace directory. In vulnerable versions or code paths, Atlantis could create, use, or remove/recreate out-of-bounds directories with the privileges of the Atlantis process user, before Terraform rejected the invalid …

2025
2024

Git credentials are exposed in Atlantis logs

Short summary of the problem. Make the impact and severity as clear as possible. For example: An unsafe deserialization vulnerability allows any unauthenticated user to execute arbitrary code on the server. Atlantis logs contains GitHub credentials (tokens ghs_…) when they are rotated. This enables an attacker able to read these logs to impersonate Atlantis application and to perform actions on GitHub. When Atlantis is used to administer a GitHub organization, …

2022

Observable Discrepancy

The package github.com/runatlantis/atlantis/server/controllers/events before 0.19.7 is vulnerable to Timing Attack in the webhook event validator code, which does not use a constant-time comparison function to validate the webhook secret. It can allow an attacker to recover this secret as an attacker and then forge webhook events.