{"id":"CVE-2026-59308","summary":"Semantic Cache Cross-Tenant Isolation Bypass via SHA-256 Truncation","details":"In Spring AI's Semantic Cache support, the context hash used to isolate cached responses between different system prompts could allow cached responses to be shared across unrelated contexts.\nAffected versions:\nSpring AI: 2.0.0","modified":"2026-09-18T03:48:30.084552754Z","published":"2026-08-21T12:07:07.992Z","database_specific":{"cwe_ids":["CWE-668"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59308.json","unresolved_ranges":[{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"2.0.0"},{"last_affected":"2.0.0"}]}],"cna_assigner":"vmware"},"references":[{"type":"WEB","url":"https://spring.io/security/cve-2026-59308"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59308.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59308"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/spring-projects/spring-ai","events":[{"introduced":"ef502dab692e26b953a75be4029dba7f1acdc88c"},{"fixed":"c9107fdac0a6c88489c08bb88abcee74c146981d"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:vmware:spring_ai:*:-:*:*:*:*:*:*","extracted_events":[{"introduced":"2.0.0"},{"fixed":"2.0.1"}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-59308.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N"}]}