by Kastro
Paper/Archive/CVE-2026-54337

CVE-2026-54337

ShaneIsrael fireshare — Fireshare has Unauthenticated Argument Injection to Arbitrary File Write/Overwrite

EPSS 0.6%CVSS 9.8
critical.is priorityof 100
40
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 50.3.503 × 2010.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
fireshare< 1.6.14–CNA

Scores by source

GitHub_M (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refgithub.com/ShaneIsrael/fireshare/security/advisories/GHSA-hmh2-6g84-q8jx