Spring Security Advisories

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CVE-2026-41854: Spring Framework Server-Side Request Forgery via UriComponentsBuilder

LOW | JUNE 08, 2026 | CVE-2026-41854

Description

Due to incorrect host parsing, applications that rely on UriComponentsBuilder to parse and validate an externally provided URL string may be exposed to a server-side request forgery (SSRF) attack.

Affected Spring Products and Versions

Spring Framework:

  • 7.0.0 - 7.0.7
  • 6.2.0 - 6.2.18

Mitigation

Users of affected versions should upgrade to the corresponding fixed version.

Affected version(s) Fix version Availability
7.0.x 7.0.8 OSS
7.0.7.1 Commercial
6.2.x 6.2.19 OSS
6.2.18.1 Commercial

No further mitigation steps are necessary.

Credit

This issue was responsibly reported by Fushuling@secsys and RacerZ@secsys from Fudan University.

References

History

  • 2026-06-08: Initial vulnerability report published.

Reporting a vulnerability

To report a security vulnerability for a project within the Spring portfolio, see the Security Policy

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