CVE-2026-27838: PYSEC-2026-3418 - wger: IDOR via user-unscoped cache keys on routine API actions exposes workout data

CVE-2026-27838 · Severity: low · CVSS 3.1 · Published 2026-07-13

wger: IDOR via user-unscoped cache keys on routine API actions exposes workout data

Technologies: wger (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2026-27838 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-27838 being exploited in the wild.
How severe is CVE-2026-27838?
Low severity, with a CVSS score of 3.1, published 13 July 2026.
Which products and versions are affected?
wger (PyPI) ECOSYSTEM:introduced=0,last_affected=2.1.
Is there a fix for CVE-2026-27838?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-27838?
Check whether you run wger (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • wger (PyPI) ECOSYSTEM:introduced=0,last_affected=2.1

Identifiers

  • CVE-2026-27838
  • GHSA-42cr-w2gr-m54q
  • PYSEC-2026-3418

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