{"id":"CVE-2026-59316","title":"Spring Authorization Server's default consent page renders user-controlled values without HTML entity encoding","summary":"Spring Authorization Server's default consent page renders user-controlled values without HTML entity encoding. When using the DefaultConsentPage, an attacker can craft an OAuth2 authorization request containing a malicious value that is…","severity":"high","cvss":8.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","cwe":["CWE-79"],"published":"2026-08-27","updated":"2026-08-28","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-59316","references":[{"url":"https://spring.io/security/cve-2026-59316","label":"security@vmware.com"}],"tags":["nvd"],"epss":0.00319,"epssPercentile":0.22092,"ingestedAt":"2026-08-29T21:42:35.932Z","slug":"CVE-2026-59316","body":"## Overview\n\nSpring Authorization Server's default consent page renders user-controlled values without HTML entity encoding. When using the DefaultConsentPage, an attacker can craft an OAuth2 authorization request containing a malicious value that is stored server-side and later rendered unencoded in the default consent page presented to the end user.\nSpring Authorization Server 1.5.0 - 1.5.8\nSpring Authorization Server 1.4.0 - 1.4.11\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":45.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}