CVE-2026-117506 Details
Description
A weakness has been identified in a2aproject a2a-java up to 1.2.0.Final. This affects the function InMemoryPushNotificationConfigStore.setInfo of the file extras/push-notification-config-store-database-jpa/src/main/java/org/a2aproject/sdk/extras/pushnotificationconfigstore/database/jpa/JpaDatabasePushNotificationConfigStore.java of the component Push Notification Config Store. Executing a manipulation can lead to resource consumption. The attack can be launched remotely. Upgrading to version 1.3.0.Final mitigates this issue. This patch is called b478810a03b4a16841d36aca5c6e87d8f48fce67. You should upgrade the affected component.
A resource consumption vulnerability has been identified in the a2aproject a2a-java library, specifically in versions through 1.2.0.Final. The issue resides in the Push Notification Config Store component, within the JpaDatabasePushNotificationConfigStore.java file. The vulnerability arises in the InMemoryPushNotificationConfigStore.setInfo function, where improper management of push notification configurations can lead to excessive resource usage. This vulnerability can be exploited remotely.
Users are advised to upgrade to a2aproject a2a-java version 1.3.0.Final or later, where this vulnerability has been addressed.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 27, 2026CISA-ADP
Assessed Nov 2, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/a2aproject/a2a-java/ | [email protected] | ProductSource CodeVendor |
| https://github.com/a2aproject/a2a-java/commit/b478810a03b4a16841d36aca5c6e87d8f48fce67 | [email protected] | Source CodeVendor |
| https://github.com/a2aproject/a2a-java/pull/1044 | [email protected] | Issue TrackingVendor |
| https://github.com/a2aproject/a2a-java/releases/tag/v1.3.0.Final | [email protected] | Release NotesVendor |
| https://vuldb.com/cve/CVE-2026-117506 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/1015055 | [email protected] | Permission Required |
| https://vuldb.com/vuln/427073 | [email protected] | Permission Required |
| https://vuldb.com/vuln/427073/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-400 | Uncontrolled Resource Consumption | [email protected] |
| CWE-404 | Improper Resource Shutdown or Release | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| a2aproject a2a-java | <= 1.2.0.Final |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 2, 2026 | CVE Modified | CISA-ADP |
| Oct 27, 2026 | New CVE Received | [email protected] |