CVEvulnerability
CVE-2026-90819
6.9 MEDIUM
Official page ↗
- Status
- Deferred
- Published
- 2026-09-14
- Last modified
- 2026-09-15
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 6.9 MEDIUM — 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 7.3 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-113, CWE-93
Description
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.
Related
References
- https://github.com/a2aproject/a2a-java/ github.com
- https://github.com/a2aproject/a2a-java/commit/247a655043f145f6f8e3853724b6a543eaa02001 github.com
- https://github.com/a2aproject/a2a-java/pull/1043 github.com
- https://github.com/a2aproject/a2a-java/pull/1053 github.com
- https://github.com/a2aproject/a2a-java/releases/tag/v1.3.0.Final github.com
- https://vuldb.com/cve/CVE-2026-90819 vuldb.com
- https://vuldb.com/submit/922996 vuldb.com
- https://vuldb.com/vuln/403322 vuldb.com
- https://vuldb.com/vuln/403322/cti vuldb.com