{"id":"CVE-2026-27839","state":"PUBLISHED","title":"wger: IDOR in nutritional_values endpoints exposes private dietary data via direct ORM lookup","description":"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.","publishedAt":"2026-02-26T22:07:43.640Z","updatedAt":"2026-03-03T01:36:50.202Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["wger-project wger"],"affected":[{"vendor":"wger-project","product":"wger","versions":[{"version":"<= 2.4","status":"affected"}]}],"references":["https://github.com/wger-project/wger/security/advisories/GHSA-g8gc-6c4h-jg86","https://github.com/wger-project/wger/commit/29876a1954fe959e4b58ef070170e81703dab60e"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/27xxx/CVE-2026-27839.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-27839","state":"PUBLISHED","datePublished":"2026-02-26T22:07:43.640Z","dateUpdated":"2026-03-03T01:36:50.202Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-02-24T02:32:39.801Z"},"containers":{"cna":{"title":"wger: IDOR in nutritional_values endpoints exposes private dietary data via direct ORM lookup","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"wger-project","product":"wger","versions":[{"version":"<= 2.4","status":"affected"}]}],"references":[{"url":"https://github.com/wger-project/wger/security/advisories/GHSA-g8gc-6c4h-jg86","name":"https://github.com/wger-project/wger/security/advisories/GHSA-g8gc-6c4h-jg86","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/wger-project/wger/commit/29876a1954fe959e4b58ef070170e81703dab60e","name":"https://github.com/wger-project/wger/commit/29876a1954fe959e4b58ef070170e81703dab60e","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"CWE-639: Authorization Bypass Through User-Controlled Key","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-02-26T22:07:43.640Z"},"source":{"advisory":"GHSA-g8gc-6c4h-jg86","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-03T01:36:36.210139Z","id":"CVE-2026-27839","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-03T01:36:50.202Z"}}]}}}