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Spring AI CVE-2026-59294

| EUVDEUVD-2026-67182 MEDIUM
Path Traversal (CWE-22)
2026-08-27 vmware GHSA-2mrf-pjhv-x8h2
5.9
CVSS 3.1 · Vendor: vmware
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Severity by source

Vendor (vmware) PRIMARY
5.9 MEDIUM
AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L
vuln.today AI
5.9 MEDIUM

Network-triggerable but requires low-privilege auth and specific URI-control conditions; file write yields high integrity, low availability impact with no confirmed confidentiality loss.

3.1 AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L
4.0 AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (vmware).

CVSS VectorVendor: vmware

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
Low

Lifecycle Timeline

1
Analysis Generated
Aug 27, 2026 - 20:58 vuln.today

DescriptionCVE.org

ResourceCacheService.getCacheName() builds the on-disk filename by appending the URI fragment verbatim, without stripping path separators or .. sequences, and passes the result to new File(resourceParentFolder, newFileName) before writing the downloaded bytes there. Spring AI 2.0.0 Spring AI 1.1.0 - 1.1.8 Spring AI 1.0.9 and earlier

AnalysisAI

Path traversal in Spring AI's ResourceCacheService allows an authenticated low-privileged network attacker to write files outside the intended cache directory. The getCacheName() method appends URI fragments verbatim - including '../' sequences and path separators - to a base directory path before passing the result to new File(resourceParentFolder, newFileName) and writing downloaded bytes there. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires that the application use Spring AI's ResourceCacheService for resource caching and that the attacker have low-privilege authenticated access (PR:L per CVSS vector) to influence the URI fragment processed by getCacheName(). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 5.9 (Medium) score reflects a genuinely constrained attack surface: AC:H indicates that exploitation requires specific conditions beyond a simple network request - most likely that an attacker must control the URI fragment passed into the caching layer, which may depend on application-level routing or how the Spring AI component is integrated. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation The primary remediation is to apply the vendor-released patch via the Spring security advisory at https://spring.io/security/cve-2026-59294; the specific fixed version is not independently confirmed in the available data beyond what the advisory provides, so administrators should consult that page for the exact target upgrade version. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-59294 vulnerability details – vuln.today

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