CVE-2026-111699 — Niefy wx-api through 0.8.2 Authentication Bypass via Unverified openid Cookie
Niefy wx-api through 0.8.2 contains an authentication bypass vulnerability that allows unauthenticated attackers to impersonate WeChat fans by supplying a raw openid cookie to f…
Published: 2026-10-16 · CVSS: 6.3 · CVSS 4.0
Niefy wx-api through 0.8.2 contains an authentication bypass vulnerability that allows unauthenticated attackers to impersonate WeChat fans by supplying a raw openid cookie to fan-facing controllers. Attackers knowing a victim's openid can call /wxUser/getUserInfo and /wxUserTags endpoints to read nickname, phone, unionid and tags, and add or remove fan tags.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7