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CVE-2026-55641

1 advisory.

npm/9router CVE-2026-55641: high 8.2

9router: Unauthenticated `/v1` proxy access via `Host`-header spoofing → open AI relay + SSRF

Action: Upgrade 9router to 0.5.2 or later.

npm i 9router@0.5.2

Affected

introducedfixedlast affected
00.5.2-

Fixed versions

0.5.2

Sources

CVE-2026-55641 · published · modified · JSON