{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46438", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-13T22:18:22.830Z", "datePublished": "2026-10-07T14:00:10.046Z", "dateUpdated": "2026-10-07T18:00:21.494Z"}, "containers": {"cna": {"title": "wger: Cross-User Data Corruption via Missing Ownership Check on WorkoutLog.slot_entry", "problemTypes": [{"descriptions": [{"cweId": "CWE-639", "lang": "en", "description": "CWE-639: Authorization Bypass Through User-Controlled Key", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-862", "lang": "en", "description": "CWE-862: Missing Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/wger-project/wger/security/advisories/GHSA-rjpf-7pf5-q54x", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/wger-project/wger/security/advisories/GHSA-rjpf-7pf5-q54x"}, {"name": "https://github.com/wger-project/wger/releases/tag/2.6", "tags": ["x_refsource_MISC"], "url": "https://github.com/wger-project/wger/releases/tag/2.6"}], "affected": [{"vendor": "wger-project", "product": "wger", "versions": [{"version": "< 2.6", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-07T14:00:10.046Z"}, "descriptions": [{"lang": "en", "value": "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."}], "source": {"advisory": "GHSA-rjpf-7pf5-q54x", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/wger-project/wger/security/advisories/GHSA-rjpf-7pf5-q54x", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-07T17:59:46.398717Z", "id": "CVE-2026-46438", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-07T18:00:21.494Z"}}]}}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,2.6)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "wger", "source": "cna", "vendor": "wger-project"}, "product": "wger", "vendor": "wger-project"}], "created": "2026-10-07T15:45:06.396594+00:00", "updated": "2026-10-07T16:15:18.917946+00:00", "vendors": ["wger-project", "wger-project$PRODUCT$wger"]}