Unbounded Static Cache in Spring HATEOAS 1.5.03.0.3 (SLR)
CVE-2026-41007 Published on June 9, 2026
Spring HATEOAS heap exhaustion through unbounded internal caching
Spring HATEOAS maintains an unbounded static cache of StringLinkRelation instances keyed on attacker-supplied strings.
Affected versions:
Spring HATEOAS 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; 3.0.0 through 3.0.3.
Vulnerability Analysis
CVE-2026-41007 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
Allocation of Resources Without Limits or Throttling
The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.
Products Associated with CVE-2026-41007
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Affected Versions
Spring HATEOAS:- Version 1.5.0 and below 1.5.7 is affected.
- Version 2.3.0 and below 2.3.5 is affected.
- Version 2.4.0 and below 2.4.2 is affected.
- Version 2.5.0 and below 2.5.3 is affected.
- Version 3.0.0 and below 3.0.4 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.