{"id":"CVE-2026-92153","state":"PUBLISHED","title":"F´: Arbitrary File Write in Svc::FileUplink via attacker-controlled StartPacket.destinationPath","description":"F´ (F Prime) is a framework that enables development and deployment of spaceflight and other embedded software applications. Prior to 4.3.0, Svc::FileUplink handling of Fw::FilePacket::StartPacket destination paths FileUplink copies the packet-controlled destinationPath and opens it for writing without canonicalization or confinement to an upload directory. When a peer able to send file-uplink packets supplies an absolute, traversing, or otherwise attacker-selected writable destination path, files can be created or overwritten at attacker-selected writable filesystem locations, affecting integrity and potentially availability. This issue is fixed in version 4.3.0.","publishedAt":"2026-10-14T16:28:18.673Z","updatedAt":"2026-10-15T15:07:36.971Z","severity":{"score":7.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["nasa fprime"],"affected":[{"vendor":"nasa","product":"fprime","versions":[{"version":"< 4.3.0","status":"affected"}]}],"references":["https://github.com/nasa/fprime/security/advisories/GHSA-5rfj-hw2g-vwmv","https://github.com/nasa/fprime/pull/5320","https://github.com/nasa/fprime/commit/4c8b9c0b8692b0d47cbd5f2ccec61c74aa02b893","https://github.com/nasa/fprime/releases/tag/v4.3.0"],"weaknesses":["CWE-22","CWE-73"],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/92xxx/CVE-2026-92153.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-92153","state":"PUBLISHED","datePublished":"2026-10-14T16:28:18.673Z","dateUpdated":"2026-10-15T15:07:36.971Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-09-15T17:13:57.865Z"},"containers":{"cna":{"title":"F´: Arbitrary File Write in Svc::FileUplink via attacker-controlled StartPacket.destinationPath","descriptions":[{"lang":"en","value":"F´ (F Prime) is a framework that enables development and deployment of spaceflight and other embedded software applications. Prior to 4.3.0, Svc::FileUplink handling of Fw::FilePacket::StartPacket destination paths FileUplink copies the packet-controlled destinationPath and opens it for writing without canonicalization or confinement to an upload directory. When a peer able to send file-uplink packets supplies an absolute, traversing, or otherwise attacker-selected writable destination path, files can be created or overwritten at attacker-selected writable filesystem locations, affecting integrity and potentially availability. This issue is fixed in version 4.3.0."}],"affected":[{"vendor":"nasa","product":"fprime","versions":[{"version":"< 4.3.0","status":"affected"}]}],"references":[{"url":"https://github.com/nasa/fprime/security/advisories/GHSA-5rfj-hw2g-vwmv","name":"https://github.com/nasa/fprime/security/advisories/GHSA-5rfj-hw2g-vwmv","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/nasa/fprime/pull/5320","name":"https://github.com/nasa/fprime/pull/5320","tags":["x_refsource_MISC"]},{"url":"https://github.com/nasa/fprime/commit/4c8b9c0b8692b0d47cbd5f2ccec61c74aa02b893","name":"https://github.com/nasa/fprime/commit/4c8b9c0b8692b0d47cbd5f2ccec61c74aa02b893","tags":["x_refsource_MISC"]},{"url":"https://github.com/nasa/fprime/releases/tag/v4.3.0","name":"https://github.com/nasa/fprime/releases/tag/v4.3.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":7.1,"baseSeverity":"HIGH","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:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","lang":"en","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-73","lang":"en","description":"CWE-73: External Control of File Name or Path","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-10-14T16:28:18.673Z"},"source":{"advisory":"GHSA-5rfj-hw2g-vwmv","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-15T13:52:12.083583Z","id":"CVE-2026-92153","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-15T15:07:36.971Z"}}]}}}