{"id":"CVE-2026-125365","state":"PUBLISHED","title":"DollarDollar through 4.4 Missing Authorization in /add_expense Balance Tampering","description":"DollarDollar through 4.4 contains a missing authorization vulnerability in add_expense() that allows authenticated users to modify other users' account balances by supplying foreign account_id values. Attackers can submit sequential account_id, destination_account_id, and group_id values to /add_expense to tamper with balances and inject expenses into foreign groups with an arbitrary payer.","publishedAt":"2026-11-09T23:27:37.786Z","updatedAt":"2026-11-09T23:27:37.786Z","severity":{"score":7.1,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["harung1993 dollardollar"],"affected":[{"vendor":"harung1993","product":"dollardollar","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.4","versionType":"custom"}]}],"references":["https://github.com/harung1993/dollardollar/issues/125","https://github.com/harung1993/dollardollar","https://github.com/harung1993/dollardollar/blob/v4.4/app.py#L4298","https://www.vulncheck.com/advisories/dollardollar-through-4.4-missing-authorization-in-add-expense-balance-tampering"],"weaknesses":["CWE-639"],"ingestedAt":"2026-11-09T23:36:06.628Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/125xxx/CVE-2026-125365.json","commit":"b5e35fd13cceb3fc2d7ace24f43c95cd80e7dc5f","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-125365","state":"PUBLISHED","datePublished":"2026-11-09T23:27:37.786Z","dateUpdated":"2026-11-09T23:27:37.786Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-11-09T22:03:02.055Z"},"containers":{"cna":{"title":"DollarDollar through 4.4 Missing Authorization in /add_expense Balance Tampering","descriptions":[{"lang":"en","value":"DollarDollar through 4.4 contains a missing authorization vulnerability in add_expense() that allows authenticated users to modify other users' account balances by supplying foreign account_id values. Attackers can submit sequential account_id, destination_account_id, and group_id values to /add_expense to tamper with balances and inject expenses into foreign groups with an arbitrary payer."}],"affected":[{"vendor":"harung1993","product":"dollardollar","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.4","versionType":"custom"}]}],"references":[{"url":"https://github.com/harung1993/dollardollar/issues/125","tags":["issue-tracking"],"name":"GitHub Issue #125"},{"url":"https://github.com/harung1993/dollardollar","tags":["product"]},{"url":"https://github.com/harung1993/dollardollar/blob/v4.4/app.py#L4298","tags":["technical-description"]},{"url":"https://www.vulncheck.com/advisories/dollardollar-through-4.4-missing-authorization-in-add-expense-balance-tampering","name":"VulnCheck Advisory: DollarDollar through 4.4 Missing Authorization in /add_expense Balance Tampering","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":7.1,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"Authorization Bypass Through User-Controlled Key","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-11-09T23:27:37.786Z"},"datePublic":"2026-11-07T00:00:00.000Z","tags":["unsupported-when-assigned"],"credits":[{"lang":"en","value":"George Chen","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}}