CVE-2026-40563: Apache Atlas has a Code Injection Vulnerability

CVE-2026-40563 · Severity: high · CVSS 8.1 · Published 2026-05-04

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.

Technologies: org.apache.atlas:apache-atlas (Maven). Vendors: Apache, Maven.

Quick answers

Is CVE-2026-40563 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-40563 being exploited in the wild.
How severe is CVE-2026-40563?
High severity, with a CVSS score of 8.1, published 4 May 2026.
Which products and versions are affected?
org.apache.atlas:apache-atlas (Maven) ECOSYSTEM:introduced=0.8,fixed=2.5.0.
Is there a fix for CVE-2026-40563?
Yes. org.apache.atlas:apache-atlas (Maven): upgrade to 2.5.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-40563?
Check whether you run Apache Atlas or org.apache.atlas:apache-atlas (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • org.apache.atlas:apache-atlas (Maven): upgrade to 2.5.0 or later
    # set org.apache.atlas:apache-atlas to 2.5.0 in your pom.xml or build.gradle

Affected products

  • Apache Atlas
  • org.apache.atlas:apache-atlas (Maven) ECOSYSTEM:introduced=0.8,fixed=2.5.0

Identifiers

  • CVE-2026-40563
  • GHSA-35xx-9xrg-gwhf

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