{"id":"CVE-2026-50199","state":"PUBLISHED","title":"Wallos: Cross-user Fixer/API Layer credential consumption in exchange-rate refresh","description":"Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.9.1, endpoints/currency/update_exchange.php loads the first Fixer/API Layer credential globally instead of loading the credential for the authenticated user. As a result, a normal authenticated user without their own provider key can trigger exchange-rate refreshes using another user's stored provider credential. This issue has been patched in version 4.9.1.","publishedAt":"2026-08-31T20:25:41.238Z","updatedAt":"2026-09-01T14:44:33.234Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["ellite Wallos"],"affected":[{"vendor":"ellite","product":"Wallos","versions":[{"version":"< 4.9.1","status":"affected"}]}],"references":["https://github.com/ellite/Wallos/security/advisories/GHSA-5wf4-m4hj-rxj5","https://github.com/ellite/Wallos/releases/tag/v4.9.1"],"weaknesses":["CWE-863"],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/50xxx/CVE-2026-50199.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-50199","state":"PUBLISHED","datePublished":"2026-08-31T20:25:41.238Z","dateUpdated":"2026-09-01T14:44:33.234Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-03T22:05:13.645Z"},"containers":{"cna":{"title":"Wallos: Cross-user Fixer/API Layer credential consumption in exchange-rate refresh","descriptions":[{"lang":"en","value":"Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.9.1, endpoints/currency/update_exchange.php loads the first Fixer/API Layer credential globally instead of loading the credential for the authenticated user. As a result, a normal authenticated user without their own provider key can trigger exchange-rate refreshes using another user's stored provider credential. This issue has been patched in version 4.9.1."}],"affected":[{"vendor":"ellite","product":"Wallos","versions":[{"version":"< 4.9.1","status":"affected"}]}],"references":[{"url":"https://github.com/ellite/Wallos/security/advisories/GHSA-5wf4-m4hj-rxj5","name":"https://github.com/ellite/Wallos/security/advisories/GHSA-5wf4-m4hj-rxj5","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/ellite/Wallos/releases/tag/v4.9.1","name":"https://github.com/ellite/Wallos/releases/tag/v4.9.1","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-863","lang":"en","description":"CWE-863: Incorrect Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-31T20:25:41.238Z"},"source":{"advisory":"GHSA-5wf4-m4hj-rxj5","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/ellite/Wallos/security/advisories/GHSA-5wf4-m4hj-rxj5","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-01T14:44:10.239803Z","id":"CVE-2026-50199","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":"2026-09-01T14:44:33.234Z"}}]}}}