{"id":"CVE-2026-54337","state":"PUBLISHED","title":"Fireshare has Unauthenticated Argument Injection to Arbitrary File Write/Overwrite","description":"Fireshare facilitates self-hosted media and link sharing. Prior to version 1.6.14, an argument Injection in the video upload function allows unauthenticated attacker to write/overwrite system files. Version 1.6.14 fixes the issue.","publishedAt":"2026-09-15T20:22:09.176Z","updatedAt":"2026-09-16T18:36:44.475Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["ShaneIsrael fireshare"],"affected":[{"vendor":"ShaneIsrael","product":"fireshare","versions":[{"version":"< 1.6.14","status":"affected"}]}],"references":["https://github.com/ShaneIsrael/fireshare/security/advisories/GHSA-hmh2-6g84-q8jx"],"weaknesses":["CWE-88"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/54xxx/CVE-2026-54337.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-54337","state":"PUBLISHED","datePublished":"2026-09-15T20:22:09.176Z","dateUpdated":"2026-09-16T18:36:44.475Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-12T19:23:22.316Z"},"containers":{"cna":{"title":"Fireshare has Unauthenticated Argument Injection to Arbitrary File Write/Overwrite","descriptions":[{"lang":"en","value":"Fireshare facilitates self-hosted media and link sharing. Prior to version 1.6.14, an argument Injection in the video upload function allows unauthenticated attacker to write/overwrite system files. Version 1.6.14 fixes the issue."}],"affected":[{"vendor":"ShaneIsrael","product":"fireshare","versions":[{"version":"< 1.6.14","status":"affected"}]}],"references":[{"url":"https://github.com/ShaneIsrael/fireshare/security/advisories/GHSA-hmh2-6g84-q8jx","name":"https://github.com/ShaneIsrael/fireshare/security/advisories/GHSA-hmh2-6g84-q8jx","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-88","lang":"en","description":"CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-09-15T20:22:09.176Z"},"source":{"advisory":"GHSA-hmh2-6g84-q8jx","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-16T18:29:18.494535Z","id":"CVE-2026-54337","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-16T18:36:44.475Z"}}]}}}