SSRF in Shaneisrael Fireshare
CVE-2026-54544
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L.
Affected products
- Shaneisrael Fireshare — versions < 1.6.16
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-54544?
- CVE-2026-54544 is a high-severity vulnerability in Shaneisrael Fireshare, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.2/10. Published 2026-09-15.
- How severe is CVE-2026-54544?
- High severity. CVSS v3 base score is 7.2 out of 10.