MEDIUM 6.9 NVD
CVE-2026-90819
A weakness has been identified in a2aproject a2a-java 1.2.0. The affected element is the function BasePushNotificationSender.dispatchNotification of the file se
A weakness has been identified in a2aproject a2a-java 1.2.0. The affected element is the function BasePushNotificationSender.dispatchNotification of the file server-common/src/main/java/org/a2aproject/sdk/server/tasks/BasePushNotificationSender.java of the component Authorization Header Construction. This manipulation causes http response splitting. The attack can be initiated remotely. Upgrading to version 1.3.0 is sufficient to fix this issue. Patch name: 247a655043f145f6f8e3853724b6a543eaa02001. You should upgrade the affected component.
References
- https://github.com/a2aproject/a2a-java/
- https://github.com/a2aproject/a2a-java/commit/247a655043f145f6f8e3853724b6a543eaa02001
- https://github.com/a2aproject/a2a-java/pull/1043
- https://github.com/a2aproject/a2a-java/pull/1053
- https://github.com/a2aproject/a2a-java/releases/tag/v1.3.0.Final
This medium severity vulnerability with a CVSS score of 6.9 was published on 2026-09-14 via NVD.
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