CVEvulnerability
CVE-2026-117503
6.9 MEDIUM
Official page ↗
- Status
- Deferred
- Published
- 2026-10-27
- Last modified
- 2026-10-27
- 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:N/VI:N/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])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-400, CWE-404
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.
Related
References
- https://github.com/a2aproject/a2a-go/ github.com
- https://github.com/a2aproject/a2a-go/commit/ff6035bd21e44bb3ee1bfa547885b8c08327fa01 github.com
- https://github.com/a2aproject/a2a-go/pull/396 github.com
- https://github.com/a2aproject/a2a-go/releases/tag/v2.5.0 github.com
- https://vuldb.com/cve/CVE-2026-117503 vuldb.com
- https://vuldb.com/submit/1015052 vuldb.com
- https://vuldb.com/vuln/427070 vuldb.com
- https://vuldb.com/vuln/427070/cti vuldb.com