CVE-2026-59294

Arbitrary File Write via Path Traversal in ResourceCacheService

State: Published
Severity: 5.9 Medium
Published: Aug 27, 2026
Updated: Aug 28, 2026
Reserved: Jul 4, 2026

Description

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

Scores

CVSS	Score	Vector	Source
3.1	5.9 Medium	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L	vmware

Weaknesses

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Products

Product	Versions
Spring AISpring	2.0.0Affected 1.1.0 through 1.1.8Affected 1.0.9 and earlierAffected

References

https://spring.io/security/cve-2026-59294

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