Vulnerability-Lookup

CVE-2026-59308 (GCVE-0-2026-59308)

Vulnerability from cvelistv5 – Published: 2026-08-21 12:07 – Updated: 2026-08-21 14:29

Title

Semantic Cache Cross-Tenant Isolation Bypass via SHA-256 Truncation

Summary

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

Severity

4.2 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-21 14:28 UTC

CWE

CWE-668 - Exposure of Resource to Wrong Sphere

Assigner

vmware mitre root

References

1 reference

URL	Tags
https://spring.io/security/cve-2026-59308

Impacted products

1 product

Vendor	Product	Version	CPE status
Spring	Spring AI	Affected: 2.0.0 (custom)	guessed

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-59308

Vulnerability from fkie_nvd - Published: 2026-08-21 12:16 - Updated: 2026-08-21 15:16

Severity

4.2 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Summary

References

	URL	Tags
	security@vmware.com	https://spring.io/security/cve-2026-59308

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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              "version": "2.0.0",
              "versionType": "custom"
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GHSA-H4JW-W55G-65GF

Vulnerability from github – Published: 2026-08-21 12:30 – Updated: 2026-08-21 12:30

Details

Severity

4.2 (Medium)


                  
                    CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
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    "CVE-2026-59308"
  ],
  "database_specific": {
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      "CWE-668"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-21T12:16:30Z",
    "severity": "MODERATE"
  },
  "details": "In Spring AI\u0027s 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",
  "id": "GHSA-h4jw-w55g-65gf",
  "modified": "2026-08-21T12:30:34Z",
  "published": "2026-08-21T12:30:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-59308"
    },
    {
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      "type": "CVSS_V3"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-59308 (GCVE-0-2026-59308)

FKIE_CVE-2026-59308

GHSA-H4JW-W55G-65GF

Tags

Sightings

Nomenclature