Red Hat Quarkus REST Data Panache improper authorization

Summaryinfo

A vulnerability was found in Red Hat Quarkus. It has been classified as critical. Impacted is an unknown function of the component REST Data Panache. The manipulation leads to improper authorization. This vulnerability is documented as CVE-2026-87744. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Red Hat Quarkus (unknown version) and classified as critical. This issue affects an unknown code block of the component REST Data Panache. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A flaw was found in Quarkus REST Data Panache. This vulnerability allows unauthenticated attackers to bypass security controls on generated endpoints. When a developer customizes a specific operation using @MethodProperties without explicitly re-declaring security roles, the code generator silently drops class-level security requirements. This results in the affected endpoint defaulting to permissive, unauthenticated access, potentially leading to unauthorized information disclosure or data modification.

It is possible to read the advisory at access.redhat.com. The identification of this vulnerability is CVE-2026-87744 since 09/09/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 10/12/2026). The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Red Hat

Name

• Quarkus

License

• open-source

Website

• Vendor: https://www.redhat.com/

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