## cve-2026-47862 - MEDIUM - ZipTransformer uses file_name header to build workDirectory path without sanitization

- 種別: advisory
- 関連技術: spring, java
- CVE: CVE-2026-47862
- 公開日時: 2026-08-20T00:00:00.000Z
- 情報源: Spring Security Advisories (https://spring.io/security/cve-2026-47862)
- パーマリンク: https://vulnpulse.app/items/spring-security-c4a888494c02

An attacker who can set the file_name header on a message reaching a ZipTransformer with ZipResultType.FILE (the default) can cause the resulting .zip archive to be written to an arbitrary filesystem path outside the configured workDirectory.