Description
A vulnerability was determined in a2aproject a2a-go up to 2.4.0. Impacted is an unknown function of the file a2asrv/rest.go of the component REST SSE handler. This manipulation causes resource consumption. It is possible to initiate the attack remotely. Upgrading to version 2.5.0 is recommended to address this issue. Patch name: ff6035bd21e44bb3ee1bfa547885b8c08327fa01. It is recommended to upgrade the affected component.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| a2aproject | a2a-go | 2.0, 2.1, 2.2, 2.3, 2.4.0 | 2.5.0 |
References
- VDB-427070 | a2aproject a2a-go REST SSE handler rest.go resource consumption vdb-entry
- VDB-427070 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- CVE-2026-117503 | CVE Analysis and Report third-party-advisory
- Submit #1015052 | a2aproject a2a-go ≤ v2.4.0 CWE-400 third-party-advisory
- https://github.com/a2aproject/a2a-go/pull/396 issue-tracking patch
- https://github.com/a2aproject/a2a-go/commit/ff6035bd21e44bb3ee1bfa547885b8c08327fa01 patch
- https://github.com/a2aproject/a2a-go/releases/tag/v2.5.0 patch
- https://github.com/a2aproject/a2a-go/ product