CVE-2026-111699EPSS p24.1%
CVE-2026-111699CVE-2026-111699
Description
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.
Scoring
| CVSS | 4.8 () |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |
| EPSS | 0.33% probability of exploitation · percentile 24.1% · 2026-10-17T12:00:28Z |
| Last modified | 2026-10-16 |