CVE-2026-90819: falha de média gravidade em a2aproject a2a-java
a2aproject a2a-java Authorization Header Construction BasePushNotificationSender.java BasePushNotificationSender.dispatchNotification response splitting
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13Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 6.9epss 0.7%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
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Referências
https://github.com/a2aproject/a2a-java/https://github.com/a2aproject/a2a-java/commit/247a655043f145f6f8e3853724b6a543eaa02001https://github.com/a2aproject/a2a-java/pull/1043https://github.com/a2aproject/a2a-java/pull/1053https://github.com/a2aproject/a2a-java/releases/tag/v1.3.0.Finalhttps://vuldb.com/cve/CVE-2026-90819https://vuldb.com/submit/922996https://vuldb.com/vuln/403322https://vuldb.com/vuln/403322/cti