๐Ÿ” CVE Alert

CVE-2026-54337

CRITICAL 9.8

Fireshare has Unauthenticated Argument Injection to Arbitrary File Write/Overwrite

CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-88
Vendor shaneisrael
Product fireshare
Published Sep 15, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

ShaneIsrael / fireshare
< 1.6.14

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/ShaneIsrael/fireshare/security/advisories/GHSA-hmh2-6g84-q8jx