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CVE-2026-54337

Fireshare has Unauthenticated Argument Injection to Arbitrary File Write/Overwrite

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.6.14
1 proof of concept on GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: total

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: total

  3. Record last updated

Affected versions

  • ShaneIsrael fireshare

    fixed in 1.6.14

References 2

GitHub · ShaneIsrael/fireshare

GitHub · 4qu4r1um/CVE-2026-54337-PoC