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CVE-2026-41007 Spring CVE debrief

CVE-2026-41007 is a high-severity vulnerability in Spring HATEOAS, a library for building RESTful web services. The vulnerability allows for a denial-of-service (DoS) attack due to an unbounded static cache of StringLinkRelation instances keyed on attacker-supplied strings.

Vendor
Spring
Product
Spring HATEOAS
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-09
Original CVE updated
2026-06-11
Advisory published
2026-06-09
Advisory updated
2026-06-11

Who should care

Users of Spring HATEOAS versions 1.5.0 through 1.5.6, 2.3.0 through 2.3.4, 2.4.0 through 2.4.1, 2.5.0 through 2.5.2, and 3.0.0 through 3.0.3 should be aware of this vulnerability.

Technical summary

The vulnerability is caused by an unbounded static cache of StringLinkRelation instances keyed on attacker-supplied strings in Spring HATEOAS. This can lead to a denial-of-service (DoS) attack.

Defensive priority

High

Recommended defensive actions

  • Upgrade to a non-vulnerable version of Spring HATEOAS.
  • Implement rate limiting or other traffic shaping measures to prevent abuse.

Evidence notes

The CVE-2026-41007 vulnerability was published on 2026-06-09T05:16:35.033Z and modified on 2026-06-11T16:58:43.700Z. The CVSS score is 7.5, and the severity is High.

Official resources

CVE-2026-41007 was published on 2026-06-09T05:16:35.033Z and modified on 2026-06-11T16:58:43.700Z.