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CVE-2026-40563

8.1 · HIGH

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.

Published May 4, 2026CWE-94EPSS 0.60%

Overview

CVE-2026-40563 is a high-severity vulnerability. It was published on May 4, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.apache.org/thread/vd0oggmqxl2k1skm0z2f9p0plx7jhmflRefwww.openwall.com/lists/oss-security/2026/05/03/9

How CyberStrike helps

Frequently asked questions

What is CVE-2026-40563?

CVE-2026-40563 is a high-severity vulnerability. It was published on May 4, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

How severe is CVE-2026-40563?

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-40563?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-40563?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-40563 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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