CVE-2026-12151
undici undici 취약점
- 대응 우선순위
- 점검
- CVSS
- 7.5
- EPSS
- 0.57% 백분위 42.9% · 2026.06.30 기준
- CISA KEV
- 미등록
- 조치 기한
- -
- 공개일
- 2026.06.18
CVSS 위험도가 높아 영향 여부를 우선 점검할 취약점
Impact: The undici WebSocket client enforces maxPayloadSize on the cumulative byte count of fragments in a message but does not enforce a limit on the number of fragments. A malicious WebSocket server can stream many small or empty continuation frames that each pass per-frame and cumulative-size validation, collectively causing unbounded memory growth in the client process. The result is memory exhaustion and a denial of service. Affected applications are those using the undici WebSocket client (new WebSocket(...)) or the WebSocketStream API that can be induced to connect to an attacker-con...
공급사 undici
제품 undici
영향 버전 0, 7.0.0, 8.0.0, >= 6.17.0 < 6.27.0, >= 7.0.0 < 7.28.0, >= 8.0.0 < 8.5.0
수정 버전 6.27.0, 7.28.0, 8.5.0
CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-400, CWE-770
EPSS 데이터 기준일 2026.06.30