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.
Affected versions:
Spring AI: 2.0.0

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Fixes

Solution

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Workaround

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References
History

Fri, 21 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 21 Aug 2026 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Spring
Spring spring Ai
Vendors & Products Spring
Spring spring Ai

Fri, 21 Aug 2026 12:15:00 +0000

Type Values Removed Values Added
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. Affected versions: Spring AI: 2.0.0
Title Semantic Cache Cross-Tenant Isolation Bypass via SHA-256 Truncation
Weaknesses CWE-668
References
Metrics cvssV3_1

{'score': 4.2, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: vmware

Published:

Updated: 2026-08-21T14:29:06.814Z

Reserved: 2026-07-04T18:13:46.709Z

Link: CVE-2026-59308

cve-icon Vulnrichment

Updated: 2026-08-21T14:29:01.164Z

cve-icon NVD

Status : Received

Published: 2026-08-21T12:16:30.270

Modified: 2026-08-21T15:16:42.360

Link: CVE-2026-59308

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-21T14:30:07Z

Weaknesses