Spring Security Advisories

CVE-2024-22243: Spring Framework URL Parsing with Host Validation

HIGH | FEBRUARY 21, 2024 | CVE-2024-22243


Applications that use UriComponentsBuilder to parse an externally provided URL (e.g. through a query parameter) AND perform validation checks on the host of the parsed URL may be vulnerable to a open redirect attack or to a SSRF attack if the URL is used after passing validation checks.

Affected Spring Products and Versions

Spring Framework

  • 6.1.0 - 6.1.3
  • 6.0.0 - 6.0.16
  • 5.3.0 - 5.3.31
  • Older, unsupported versions are also affected


Upgrade Spring Framework as follows:

  • 6.1.x users should upgrade to 6.1.4
  • 6.0.x users should upgrade to 6.0.17
  • 5.3.x users should upgrade to 5.3.32

No other steps are necessary.


The issue was identified and responsibly reported by Sean Pesce from Motorola Solutions.

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