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VulnerabilityPublished

Io.micronaut:micronaut http client: Micronaut doesn't set a maximum redirect count for its HTTP Client, enabling infinite loop DoS

Affects io.micronaut:micronaut-http-clientSource GCVE Database

0

CVSS 7.5 High : upgrade to 3.10.7 soon.

Data as of 10 Jul 2026, 09:29 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 3.10.7, 4.10.24, 5.0.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What to do

Upgrade io.micronaut:micronaut-http-client to 3.10.7; io.micronaut:micronaut-http-client to 4.10.24; io.micronaut:micronaut-http-client to 5.0.1.

Affected software

ProductAffectedFixed in
Mavenio.micronaut:micronaut-http-clientAffected
  • <3.10.7
Fixed in
  • 3.10.7
Mavenio.micronaut:micronaut-http-clientAffected
  • >=4.0.0-M1 <4.10.24
Fixed in
  • 4.10.24
Mavenio.micronaut:micronaut-http-clientAffected
  • >=5.0.0-M1 <5.0.1
Fixed in
  • 5.0.1

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AI-suggested

Official patches are available and should be applied. Upgrade to Micronaut HTTP Client version 3.10.7 or later, 4.10.24 or later, or 5.0.1 or later. No workarounds are available.

Description

The Netty-based Micronaut HTTP Client does not impose a limit on HTTP redirections, potentially allowing an infinite redirect loop that could lead to a denial-of-service attack. ### Patches The following versions are patched: - For Micronaut 5, versions equal or greater than [5.0.1](https://github.com/micronaut-projects/micronaut-core/releases/v5.0.1) >= - For Micronaut 4, versions equal or greater than [4.10.24](https://github.com/micronaut-projects/micronaut-core/releases/v4.10.24) >= - For Micronaut 3, versions equal or greater than [3.10.7](https://github.com/micronaut-projects/micronaut-core/releases/v3.10.7) >= ### Workarounds No ### Resources Micronaut 5 Patch: https://github.com/micronaut-projects/micronaut-core/commit/6e88a972718d6e1521c5b3bb7766451798dba4e3 Micronaut 4 Patch: https://github.com/micronaut-projects/micronaut-core/commit/f1dffffec8fb5e3b7e94ae907ce0be3831e499d4 Micronaut 3 Patch: https://github.com/micronaut-projects/micronaut-core/commit/c06a2715ca7f78321bc3ca05f41cca78cd351320

References

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