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Vulnerabilities

Vulnerability · CVE-2026-27839

wger is a free, open-source workout and fitness manager.

Published Feb 26, 2026 · catalog updated Jun 17, 2026 · wger is a free,

Check if you run it

No confirmed exploitation is on record for CVE-2026-27839. EPSS is 0.32%. Act only if a listed version of wger is a free, is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (wger is a free,).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.32%
Remediation
Version ranges on file
Affected products
cpe wger/wger · stated wger

wger is a free, open-source workout and fitness manager. In versions up to and including 2.4, three action endpoints fetch objects via — 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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe wger/wgerversion unspecified
  • stated wger<= 2.4

How to fix CVE-2026-27839

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-27839. EPSS is 0.32%. Act only if a listed version of wger is a free, is installed.

Which versions are affected?

Compare what you have installed with <= 2.4. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-639: Authorization Bypass Through User-Controlled Key. EPSS 0.32%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 26, 2026 · NIST NVD

    Detected

    wger is a free, open-source workout and fitness manager. In versions up to and including 2.4, three action endpoints fetch objects via — 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 con

  2. Jun 17, 2026 · NIST NVD

    Updated

    wger is a free, open-source workout and fitness manager. In versions up to and including 2.4, three action endpoints fetch objects via — 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 con

Sources

  • CVE.orgVulnerability recordCVE-2026-27839

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-27839

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-27839

    wger is a free, open-source workout and fitness manager. In versions up to and including 2.4, three action endpoints fetch objects via — a raw ORM call that bypasses the user-scoped queryset. Any authenticated user can read another

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.