{"id":"CVE-2026-40563","aliases":["GHSA-35xx-9xrg-gwhf"],"url":"https://o3.security/vulnerability/CVE-2026-40563","summary":"Apache Atlas: Script injection allows access to unintended data","details":"### Description:\nImproper Control of Generation of Code ('Code Injection') vulnerability in Apache Atlas.\n\nApache 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.\n\n\n### Affected Version:\nThis issue affects Apache Atlas: from 0.8-incubating through 2.4.0.\n\n\nFor affected versions >= 2.0.0, the vulnerability is only exploitable when Atlas is deployed with below non-default configuration.\n\n\n`atlas.dsl.executor.traversal=false`\n\n\n### Mitigation:\nUsers are recommended to upgrade to version 2.5.0, which fixes the issue.","published":"2026-05-04T15:17:32.511Z","modified":"2026-08-12T03:51:47.002077618Z","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"},"epss":{"score":0.00464,"percentile":0.38127,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.atlas:apache-atlas","fixedVersion":"2.5.0"}],"fix":null,"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/05/03/9"},{"type":"WEB","url":"https://repo.maven.apache.org/maven2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40563.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/vd0oggmqxl2k1skm0z2f9p0plx7jhmfl"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40563"},{"type":"PACKAGE","url":"https://github.com/apache/atlas"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:47.002077618Z"}}