OCTOBER 14, 2026
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Case File

CVE-2026-54544

HIGH · CVSS 7.2 EPSS 0.41% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-15 · Last synced 2026-10-13

CyberRota Analysis

AI-Generated

Fireshare versions prior to 1.6.16 are vulnerable due to two API endpoints lacking authentication, allowing unauthenticated attackers to send arbitrary HTTP POST requests to any specified URL. This can lead to unauthorized access to internal network addresses and cloud metadata services, posing a significant risk of data exposure or manipulation. Organizations using Fireshare should prioritize upgrading to version 1.6.16 or later to mitigate this high-severity vulnerability.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-54544
Severity
HIGH
CVSS
7.2
EPSS
0.41%

Original NVD Description

Fireshare facilitates self-hosted media and link sharing. Prior to version 1.6.16, two API endpoints that trigger outbound HTTP requests are missing the @login_required decorator. An unauthenticated attacker can call POST /api/test-discord-webhook or POST /api/test-webhook and cause the Fireshare server to issue an arbitrary HTTP POST to any URL the attacker supplies, including internal network addresses and cloud metadata services. No credentials, session cookies, or prior access are required. Version 1.6.16 contains a patch.