{"id":"CVE-2026-40991","aliases":["GHSA-6rpq-6vv2-5222"],"url":"https://o3.security/vulnerability/CVE-2026-40991","summary":"XML External Entity (XXE) injection when documenting untrusted XML content","details":"When using spring-restdocs-webtestclient or spring-restdocs-restassured to document a remote API accessed over HTTP, an attacker who compromises the API or tricks the user into documenting a malicious API can perform an XXE injection attack when the documentation-generating tests are next executed.\n\nAffected versions:\nSpring REST Docs 4.0.0; 3.0.0 through 3.0.5; 2.0.0.RELEASE through 2.0.8.RELEASE.","published":"2026-06-09T23:46:33.676Z","modified":"2026-08-12T15:41:04.269370338Z","cvss":{"score":5.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Maven","name":"org.springframework.restdocs:spring-restdocs-webtestclient","fixedVersion":"4.0.1"},{"ecosystem":"Maven","name":"org.springframework.restdocs:spring-restdocs-webtestclient","fixedVersion":"3.0.6"},{"ecosystem":"Maven","name":"org.springframework.restdocs:spring-restdocs-webtestclient","fixedVersion":null},{"ecosystem":"Maven","name":"org.springframework.restdocs:spring-restdocs-restassured","fixedVersion":"4.0.1"},{"ecosystem":"Maven","name":"org.springframework.restdocs:spring-restdocs-restassured","fixedVersion":"3.0.6"},{"ecosystem":"Maven","name":"org.springframework.restdocs:spring-restdocs-restassured","fixedVersion":null}],"fix":null,"references":[{"type":"WEB","url":"https://spring.io/security/cve-2026-40991"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40991.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40991"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T15:41:04.269370338Z"}}