CVE-2025-49574: Resource Exposure (CVSS 6.4)

Description

Quarkus is a Cloud Native, (Linux) Container First framework for writing Java applications. In versions prior to 3.24.1, 3.20.2, and 3.15.6, there is a potential data leak when duplicating a duplicated context. Quarkus extensively uses the Vert.x duplicated context to implement context propagation. With the new semantic data from one transaction can leak to the data from another transaction. From a Vert.x point of view, this new semantic clarifies the behavior. A significant amount of data is stored in the duplicated context, including request scope, security details, and metadata. Duplicating a duplicated context is rather rare and is only done in a few places. This issue has been patched in version 3.24.1, 3.20.2, and 3.15.6.

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CVSS v3.1 Score

6.4

MEDIUM

CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Weakness Type (CWE)

CWE-668 CWE-668

References

Other References

https://github.com/quarkusio/quarkus/commit/2b58f59f4bf0bae7d35b1abb585b65f2a66787d1 https://github.com/quarkusio/quarkus/commit/31e8a3bfcf4e223788615d5ce25eb929ca251275 https://github.com/quarkusio/quarkus/commit/d1ee57e7b826872b6355cfec0ae13465840e232c https://github.com/quarkusio/quarkus/issues/48227 https://github.com/quarkusio/quarkus/pull/48486 https://github.com/quarkusio/quarkus/releases/tag/3.24.1 https://github.com/quarkusio/quarkus/security/advisories/GHSA-9623-mj7j-p9v4

Frequently Asked Questions

What is CVE-2025-49574? +

Quarkus is a Cloud Native, (Linux) Container First framework for writing Java applications. In versions prior to 3.24.1, 3.20.2, and 3.15.6, there is a potential data leak when duplicating a duplicated context. Quarkus extensively uses the Vert.x duplicated context to implement context propagation. With the new semantic data from one transaction can leak to the data from another transaction. From a Vert.x point of view, this new semantic clarifies the behavior. A significant amount of data is stored in the duplicated context, including request scope, security details, and metadata. Duplicating a duplicated context is rather rare and is only done in a few places. This issue has been patched in version 3.24.1, 3.20.2, and 3.15.6. It has a CVSS v3.1 base score of 6.4 (MEDIUM).

How severe is CVE-2025-49574? +

CVE-2025-49574 has a CVSS v3.1 score of 6.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-49574? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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