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

4.2MEDIUM

Key Information:

Vendor

Spring

Status
Spring Framework
Vendor
CVE Published:
9 June 2026

What is CVE-2026-41854?

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 versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18.

Affected Version(s)

Spring Framework 7.0.0 < 7.0.8

Spring Framework 6.2.0 < 6.2.19

References

https://spring.io/security/cve-2026-41854

CVSS V3.1

Score:
4.2
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.