Code Injection in Apache Atlas - CVE-2026-40563
Published: August 25, 2026
Vulnerability identifier: #VU145302
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-40563
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose unintended data.
The vulnerability exists due to improper control of generation of code in the DSL search endpoint when processing user-supplied query strings. A remote attacker can alter Gremlin traversal logic within grammar-allowed characters to disclose unintended data.
For deployments of version 2.0 and later, the issue is exposed only when the non-default configuration atlas.dsl.executor.traversal=false is enabled.
Affected software
Apache Atlas
How to mitigate CVE-2026-40563
Install security update from vendor's website.
Apache Atlas - update to 2.5.0