CVE-2026-117503
CVE-2026-117503 · a2aproject a2a-go REST SSE handler rest.go resource consumption
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 6.9 · Medium · Fix available
- Published
- Updated
Affected products and versions
a2a-go
- Versions
- 2.0: Affected
- 2.1: Affected
- 2.2: Affected
- 2.3: Affected
- 2.4.0: Affected
- 2.5.0: Not affected
Update to 2.5.0
Original sources
- https://vuldb.com/vuln/427070
- https://vuldb.com/vuln/427070/cti
- https://vuldb.com/cve/CVE-2026-117503
- https://vuldb.com/submit/1015052
- https://github.com/a2aproject/a2a-go/pull/396
- https://github.com/a2aproject/a2a-go/commit/ff6035bd21e44bb3ee1bfa547885b8c08327fa01
- https://github.com/a2aproject/a2a-go/releases/tag/v2.5.0
- https://github.com/a2aproject/a2a-go/
- https://nvd.nist.gov/vuln/detail/CVE-2026-117503