What is CVE-2026-33012?

CVE-2026-33012 is a high-severity vulnerability in Micronaut-projects Micronaut-core, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-03-20.

How severe is CVE-2026-33012?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Micronaut-projects Micronaut-core

CVE-2026-33012

Micronaut Framework is a JVM-based full stack Java framework designed for building modular, easily testable JVM applications. Versions 4.7.0 through 4.10.16 used an unbounded ConcurrentHashMap cache with no eviction policy in its DefaultH…

EPSS: 0.001 (17.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Micronaut-projects Micronaut-core — versions >= 4.7.0, < 4.10.17

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

https://github.com/micronaut-projects/micronaut-core/security/advisories/GHSA-2hcp-gjrf-7fhc (x_refsource_CONFIRM)
https://github.com/micronaut-projects/micronaut-core/commit/1e2ba2c14386af3d47751732d02053a72b0b49b3 (x_refsource_MISC)
https://github.com/micronaut-projects/micronaut-core/releases/tag/v4.10.17 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33012?: CVE-2026-33012 is a high-severity vulnerability in Micronaut-projects Micronaut-core, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-03-20.
How severe is CVE-2026-33012?: High severity. CVSS v3 base score is 7.5 out of 10.