CVE WatchOct 7, 2026

CVE-2026-46438

wger is a free, open-source workout and fitness manager. Prior to version 2.6, an authenticated attacker can inject arbitrary workout log en

CVSS

6.5

Medium

EPSS

0.2%

p13

KEV

—

Exploit Today

0-100

Published: Oct 7, 2026 · Last modified: Oct 7, 2026 · CWE-639 · CWE-862

EPSS · 30d

0.2%EPSS · 30 days0.2%

2026-10-082026-10-23

Technical description

wger is a free, open-source workout and fitness manager. Prior to version 2.6, an authenticated attacker can inject arbitrary workout log entries into any other user's `SlotEntry` by supplying the victim's `slot_entry` ID in a `POST /api/v2/workoutlog/` request. The `slot_entry` foreign key is not included in the ownership verification performed by `WorkoutLogViewSet.get_owner_objects()`, so the server accepts and persists the cross-user reference without error. Because `SlotEntry.get_config_data()` retrieves associated logs via `self.workoutlog_set.all()` with no user filter, the attacker's injected data is silently folded into the victim's progressive-overload calculations, corrupting their auto-generated weight and repetition targets. Version 2.6 contains a patch.

Official references

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