{"id":"CVE-2026-59308","aliases":["EUVD-2026-63932","GHSA-h4jw-w55g-65gf"],"status":"published","title":"Semantic Cache Cross-Tenant Isolation Bypass via SHA-256 Truncation","description":"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","severity":{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00224,"percentile":0.131,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-668"],"published":"2026-08-21T12:07:07Z","modified":"2026-10-28T02:30:34Z","products":[{"vendor":"spring","product":"spring ai"},{"vendor":"vmware","product":"spring ai"},{"vendor":"vmware","product":"spring_ai"}],"references":[{"url":"https://spring.io/security/cve-2026-59308","tags":["Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59308","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-h4jw-w55g-65gf"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59308.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-59308","title":"Semantic Cache Cross-Tenant Isolation Bypass via SHA-256 Truncation","description":"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","status":"published","published":"2026-08-21T12:07:07.992Z","modified":"2026-08-21T14:29:06.814Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-668"],"updated_at":"2026-11-02T14:19:58.560602Z"}],"euvd":[{"id":"EUVD-2026-63932","description":"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","status":"published","published":"2026-08-21T12:07:07Z","modified":"2026-08-21T14:29:06Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:01:37.531944Z"}],"ghsa":[{"id":"GHSA-h4jw-w55g-65gf","title":"In Spring AI's Semantic Cache support, the context hash used to isolate cached responses between...","description":"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","status":"published","published":"2026-08-21T12:30:34Z","modified":"2026-08-21T12:30:34Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-668"],"updated_at":"2026-11-02T15:10:49.498684Z"}],"nvd":[{"id":"CVE-2026-59308","description":"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","status":"published","published":"2026-08-21T12:16:30.27Z","modified":"2026-10-16T15:10:00.103Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-668"],"updated_at":"2026-11-02T14:12:40.665005Z"}],"osv":[{"id":"CVE-2026-59308","title":"Semantic Cache Cross-Tenant Isolation Bypass via SHA-256 Truncation","description":"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","status":"published","published":"2026-08-21T12:07:07.992Z","modified":"2026-10-28T02:30:34.24704188Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-668"],"updated_at":"2026-11-02T15:45:12.496548Z"}]}}