{"api_version":"1","generated_at":"2026-04-23T04:21:38+00:00","cve":"CVE-2026-41180","urls":{"html":"https://cve.report/CVE-2026-41180","api":"https://cve.report/api/cve/CVE-2026-41180.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-41180","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-41180"},"summary":{"title":"PsiTransfer: Upload PATCH path traversal can create `config.<NODE_ENV>.js` and lead to code execution on restart","description":"PsiTransfer is an open source, self-hosted file sharing solution. Prior to version 2.4.3, the upload PATCH flow under `/files/:uploadId` validates the mounted request path using the still-encoded `req.path`, but the downstream tus handler later writes using the decoded `req.params.uploadId`. In deployments that use a supported custom `PSITRANSFER_UPLOAD_DIR` whose basename prefixes a startup-loaded JavaScript path, such as `conf`, an unauthenticated attacker can create `config.<NODE_ENV>.js` in the application root. The attacker-controlled file is then executed on the next process restart. 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Version 2.4.3 contains a patch."}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-04-23T00:10:58.230Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"name":"https://github.com/psi-4ward/psitransfer/security/advisories/GHSA-533q-w4g6-5586","tags":["x_refsource_CONFIRM"],"url":"https://github.com/psi-4ward/psitransfer/security/advisories/GHSA-533q-w4g6-5586"},{"name":"https://github.com/psi-4ward/psitransfer/commit/8b547bf3e09757122efa00aab90281e3915aa0c6","tags":["x_refsource_MISC"],"url":"https://github.com/psi-4ward/psitransfer/commit/8b547bf3e09757122efa00aab90281e3915aa0c6"},{"name":"https://github.com/psi-4ward/psitransfer/releases/tag/v2.4.3","tags":["x_refsource_MISC"],"url":"https://github.com/psi-4ward/psitransfer/releases/tag/v2.4.3"}],"source":{"advisory":"GHSA-533q-w4g6-5586","discovery":"UNKNOWN"},"title":"PsiTransfer: Upload PATCH path traversal can create `config.<NODE_ENV>.js` and lead to code execution on restart"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-41180","datePublished":"2026-04-23T00:10:58.230Z","dateReserved":"2026-04-17T16:34:45.526Z","dateUpdated":"2026-04-23T00:10:58.230Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-04-23 02:16:15","lastModifiedDate":"2026-04-23 02:16:15","problem_types":["CWE-22","CWE-22 CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.6,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"41180","Ordinal":"1","Title":"PsiTransfer: Upload PATCH path traversal can create `config.<NOD","CVE":"CVE-2026-41180","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"41180","Ordinal":"1","NoteData":"PsiTransfer is an open source, self-hosted file sharing solution. Prior to version 2.4.3, the upload PATCH flow under `/files/:uploadId` validates the mounted request path using the still-encoded `req.path`, but the downstream tus handler later writes using the decoded `req.params.uploadId`. In deployments that use a supported custom `PSITRANSFER_UPLOAD_DIR` whose basename prefixes a startup-loaded JavaScript path, such as `conf`, an unauthenticated attacker can create `config.<NODE_ENV>.js` in the application root. The attacker-controlled file is then executed on the next process restart. Version 2.4.3 contains a patch.","Type":"Description","Title":"PsiTransfer: Upload PATCH path traversal can create `config.<NOD"}]}}}