Is CVE-2026-40563 actively exploited?

No active exploitation of CVE-2026-40563 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-40563 be exploited remotely?

Yes. CVE-2026-40563 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-40563?

CVE-2026-40563 has a CVSS score of 8.1 (HIGH).

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HIGH

CVE-2026-40563

CWE-94Published: May 4, 2026· Updated: May 6, 2026

8.1

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:9.1th

Official 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.

NVD Source

Technical Analysis

CVE-2026-40563 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 8.1.