Apache Atlas <=2.4.0 Code Injection via DSL Search endpoint
CVE-2026-40563 Published on May 4, 2026
Apache Atlas: Script injection allows access to unintended data
Description:
Improper Control of Generation of Code ('Code Injection') vulnerability in Apache Atlas
Apache Atlas exposes a DSL search endpoint that accepts user-supplied query strings. Attacker can alter Gremlin traversal logic within grammar-allowed characters to access unintended data
Affect Version:
This issue affects Apache Atlas: from 0.8 through 2.4.0.
For the affect version >= 2.0, vulnerability is only when Atlas is deployed with below non-default configuration.
atlas.dsl.executor.traversal=false
Mitigation:
Users are recommended to upgrade to version 2.5.0, which fixes the issue.
Vulnerability Analysis
CVE-2026-40563 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity, and no impact on availability.
Weakness Type
What is a Code Injection Vulnerability?
The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
CVE-2026-40563 has been classified to as a Code Injection vulnerability or weakness.
Products Associated with CVE-2026-40563
Want to know whenever a new CVE is published for Apache Atlas? stack.watch will email you.
Affected Versions
Apache Software Foundation Apache Atlas:- Version 0.8, <= 2.4.0 is affected.