{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-17T13:11:50.726","vulnerabilities":[{"cve":{"id":"CVE-2026-34745","sourceIdentifier":"security-advisories@github.com","published":"2026-04-02T19:21:33.340","lastModified":"2026-04-03T19:50:08.803","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"Fireshare facilitates self-hosted media and link sharing. Prior to version 1.5.3, the fix for CVE-2026-33645 was applied to the authenticated /api/uploadChunked endpoint but was not applied to the unauthenticated /api/uploadChunked/public endpoint in the same file (app/server/fireshare/api.py). An unauthenticated attacker can exploit the checkSum parameter to write arbitrary files with attacker-controlled content to any writable path on the server filesystem. This issue has been patched in version 1.5.3."}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","baseScore":9.1,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.2}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Primary","description":[{"lang":"en","value":"CWE-22"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:shaneisrael:fireshare:*:*:*:*:*:*:*:*","versionEndExcluding":"1.5.3","matchCriteriaId":"BD38C642-B601-465E-9D1F-CB73CFF5B954"}]}]}],"references":[{"url":"https://github.com/ShaneIsrael/fireshare/commit/b76915607924756e6fa1a5f6c8823c38d611fb24","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/ShaneIsrael/fireshare/pull/520","source":"security-advisories@github.com","tags":["Issue Tracking","Patch"]},{"url":"https://github.com/ShaneIsrael/fireshare/releases/tag/v1.5.3","source":"security-advisories@github.com","tags":["Release Notes"]},{"url":"https://github.com/ShaneIsrael/fireshare/security/advisories/GHSA-fvvp-rj8g-c7gc","source":"security-advisories@github.com","tags":["Exploit","Mitigation","Vendor Advisory"]}]}}]}