CVE-2026-27835: wger is a free, open-source workout and fitness manager

Q: How do I fix CVE-2026-27835?

wger: upgrade to newer than 2.4. Exact commands for each OS are on this page.

Q: Is CVE-2026-27835 being exploited?

CVE-2026-27835 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-27835 affect?

CVE-2026-27835 affects wger. Severity is medium (CVSS 4.3). wger is a free, open-source workout and fitness manager. In versions up to and including 2.4, `RepetitionsConfigViewSet` and `MaxRepetitionsConfigViewSet` return all users' repetition config data because their `get_queryset()` calls `.all()

Q: How urgent is CVE-2026-27835?

Priority 26/100. Public exploit reference

Routine

MEDIUM 4.3UPGRADE

CVE-2026-27835 is a medium-severity flaw (CVSS 4.3) affecting wger. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

wger is a free, open-source workout and fitness manager. In versions up to and including 2.4, `RepetitionsConfigViewSet` and `MaxRepetitionsConfigViewSet` return all users' repetition config data because their `get_queryset()` calls `.all()` instead of filtering by the authenticated user. Any registered user can enumerate every other user's workout structure. Commit 1fda5690b35706bb137850c8a084ec6a13317b64 contains a fix for the issue.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Weakness	CWE-639
Published	2026-02-26
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: wger

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-02-26 22:20 UTCPublished CVE record published
2026-06-17 10:27 UTCUpdated Record last modified

wger wger UPGRADE

Affected: <= 2.4

Fixed in: newer than 2.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy wger || rpm -q wger || wger --version

2. UPGRADE to newer than 2.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade wger

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wger

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-27835?

wger: upgrade to newer than 2.4. Exact commands for each OS are on this page.

Is CVE-2026-27835 being exploited?

CVE-2026-27835 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-27835 affect?

CVE-2026-27835 affects wger. Severity is medium (CVSS 4.3). wger is a free, open-source workout and fitness manager. In versions up to and including 2.4, `RepetitionsConfigViewSet` and `MaxRepetitionsConfigViewSet` return all users' repetition config data because their `get_queryset()` calls `.all()

How urgent is CVE-2026-27835?

Priority 26/100. Public exploit reference

Related CVEs

CVE-2026-40474 HIGH 7.6 UPGRADE wger is a free, open-source workout and fitness manager
CVE-2026-40353 MEDIUM 5.4 UPGRADE wger is a free, open-source workout and fitness manager
CVE-2026-27839 MEDIUM 4.3 UPGRADE wger is a free, open-source workout and fitness manager
CVE-2026-27838 LOW 3.1 UPGRADE wger is a free, open-source workout and fitness manager

References

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