CVE-2026-43948— wger: cross-tenant password reset and plaintext disclosure via gym=None bypass
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| wger-project | wger | < 2.6 | affected |
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I. Basic Information for CVE-2026-43948
Vulnerability Information
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Vulnerability Title
wger: cross-tenant password reset and plaintext disclosure via gym=None bypass
Source: NVD (National Vulnerability Database)
Vulnerability Description
wger is a free, open-source workout and fitness manager. Prior to 2.6, the reset_user_password and gym_permissions_user_edit views in wger perform a gym-scope authorization check using Python object comparison (!=) that evaluates None != None as False, silently bypassing the guard when both the attacker and victim have no gym assignment (gym=None). A user with gym.manage_gym permission and gym=None can reset the password of any other gym=None user; the new plaintext password is returned verbatim in the HTML response body, enabling one-shot full account takeover. The victim's original password is invalidated, locking them out permanently. This vulnerability is fixed in 2.6.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
wger 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
wger是wger Project开源的使用 Django 编写的自托管 FLOSS 健身/锻炼、营养和体重追踪器。 wger 2.6之前版本存在安全漏洞，该漏洞源于重置密码和权限编辑视图中的健身房范围授权检查使用Python对象比较，当攻击者和受害者均无健身房分配时绕过检查，可能导致账户接管。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| wger-project | wger | < 2.6 | - |
II. Public POCs for CVE-2026-43948
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://github.com/wger-project/wger/security/advisories/GHSA-mhc8-p3jx-84mmx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2026-43948
IV. Related Vulnerabilities
Same product: wger
- CVE-2026-40474
wger has Broken Access Control in the Global Gym Configurati - CVE-2026-40353
wger: Stored XSS via Unescaped License Attribution Fields - CVE-2026-27839
wger: IDOR in nutritional_values endpoints exposes private d - CVE-2026-27838
wger: IDOR via user-unscoped cache keys on routine API actio - CVE-2026-27835
wger: IDOR in RepetitionsConfig and MaxRepetitionsConfig API
Same vendor: wger-project
- CVE-2026-40474
wger has Broken Access Control in the Global Gym Configurati - CVE-2026-40353
wger: Stored XSS via Unescaped License Attribution Fields - CVE-2026-27839
wger: IDOR in nutritional_values endpoints exposes private d - CVE-2026-27838
wger: IDOR via user-unscoped cache keys on routine API actio - CVE-2026-27835
wger: IDOR in RepetitionsConfig and MaxRepetitionsConfig API
Same weakness: CWE-863
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