CVE-2026-54337

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.

Scoring

Severity

CRITICAL

CVSS base score

9.8

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS probability

0.44%

CWE

CWE-88

Published

2026-09-15

Last modified

2026-09-16

Affected products

• ShaneIsrael fireshare

Weakness type

• CWE-88

Related vulnerabilities

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• CVE-2026-27613 — CGI Parameter Injection (Bypass of STRICT_CGI_PARAMS and EscapeShellParam)
• CVE-2024-47516 — Pagure: argument injection in pagurerepo.log()
• CVE-2026-27947 — Group-Office Vulnerable to Remote Code Execution (RCE)
• CVE-2026-25134 — Group-Office Argument Injection in MaintenanceController::actionZipLanguage
• CVE-2025-49008 — Atheos Improper Input Validation Vulnerability Enables RCE in Common.php
• CVE-2026-27208 — api-gateway-deploy Affected by Exploitable Command Injection via Unprivileged Root Execution

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