CVE-2026-111699
CVE-2026-111699 · Niefy wx-api through 0.8.2 Authentication Bypass via Unverified openid Cookie
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 6.3 · Medium · EPSS 0.4%
- Published
- Updated
Affected products and versions
wx-api
- Versions
- ≥ 0, ≤ 0.8.2: Affected (semver)
No fix published
Original sources
- https://hackmd.io/@hieuPenguinnn/wx-api-cross-tenant-idor-and-unauth-fan-pii
- https://github.com/niefy/wx-api/blob/0.8.2/src/main/java/com/github/niefy/modules/wx/controller/WxUserController.java#L31-L37
- https://github.com/niefy/wx-api/blob/0.8.2/src/main/java/com/github/niefy/modules/wx/controller/WxUserTagsController.java#L31-L45
- https://github.com/niefy/wx-api/blob/0.8.2/src/main/java/com/github/niefy/config/ShiroConfig.java#L43-L49
- https://www.vulncheck.com/advisories/niefy-wx-api-through-0.8.2-authentication-bypass-via-unverified-openid-cookie
- https://nvd.nist.gov/vuln/detail/CVE-2026-111699