CVE-2026-94449

HIGHCVSS 7.5/10

Last modified

CVE-2026-94449 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A flaw was found in the SmallRye Fault Tolerance library, which is used by Quarkus to provide strategies like retries and circuit breakers for microservices. The issue occurs when using the ApplyGuard or ApplyFaultTolerance annotations, where the library fails to release internal tracking objects after each request.

Description

A flaw was found in the SmallRye Fault Tolerance library, which is used by Quarkus to provide strategies like retries and circuit breakers for microservices. The issue occurs when using the ApplyGuard or ApplyFaultTolerance annotations, where the library fails to release internal tracking objects after each request. This causes a steady increase in memory usage that eventually leads to the application slowing down and crashing due to lack of memory.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Red HatExploit IntelligenceAll versions
Red HatRed Hat build of Apache Camel 4 for Quarkus 3All versions
Red HatRed Hat build of Apicurio Registry 3All versions
Red HatRed Hat build of QuarkusAll versions
Red HatRed Hat Fuse 7All versions

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-94449?
A flaw was found in the SmallRye Fault Tolerance library, which is used by Quarkus to provide strategies like retries and circuit breakers for microservices. The issue occurs when using the ApplyGuard or ApplyFaultTolerance annotations, where the library fails to release internal tracking objects after each request. This causes a steady increase in memory usage that eventually leads to the application slowing down and crashing due to lack of memory.
How severe is CVE-2026-94449?
CVE-2026-94449 has a CVSS score of 7.5/10 (HIGH severity).
How do I fix CVE-2026-94449?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST