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    CVE-2026-27839

    wger is a free, open-source workout and fitness manager. In versions up to and including 2.4, three `nutritional_values` action endpoints fetch objects via `Model.objects.get(pk=pk)` — a raw ORM call that bypasses the user-scoped queryset. Any authenticated user can read another user's private nutrition plan data, including caloric intake and full macro breakdown, by supplying an arbitrary PK. Commit 29876a1954fe959e4b58ef070170e81703dab60e contains a fix for the issue.

    Published:Feb 26, 2026
    Last Modified:Apr 16, 2026
    EPS:Feb 26, 2026
    EPSS Score:0.00034
    CVSS Score:4.3

    Affected Products

    Vendor
    Wger
    Product
    Wger
    Vendor
    Wger-project
    Product
    Wger

    Exploits

    https://github.com/wger-project/wger/security/advisories/GHSA-g8gc-6c4h-jg86

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-86254 (CVSS 6.1) — wger versions through master contain an incomplete authorization bypass in wger/core/views/user.py where three…
    CVE-2026-40474 (CVSS 7.6) — wger is a free, open-source workout and fitness manager. In versions 2.5 and below, the GymConfigUpdateView de…
    CVE-2026-40353 (CVSS 5.1) — wger is a free, open-source workout and fitness manager. In versions 2.5 and below, the attribution_link prope…
    CVE-2026-27838 (CVSS 3.1) — wger is a free, open-source workout and fitness manager. Five routine detail action endpoints check a cache be…
    CVE-2026-27835 (CVSS 4.3) — wger is a free, open-source workout and fitness manager. In versions up to and including 2.4, `RepetitionsConf…
    CVE-2022-2650 (CVSS 9.8) — Improper Restriction of Excessive Authentication Attempts in GitHub repository wger-project/wger prior to 2.2.…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High