Improper Authentication in FacturaScripts - CVE-2026-47677
Published: November 9, 2026
Vulnerability identifier: #VU163108
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-47677
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows an unauthenticated network attacker to take over any two-factor-enabled FacturaScripts account whose username is known.
The vulnerability exists due to the login controller accepting two-factor validation requests without prior password verification or rate limiting. An unauthenticated network attacker can repeatedly submit guessed six-digit codes to /login and obtain a fully authenticated session with the victim's access privileges when a code matches.
Affected software
FacturaScripts
How to mitigate CVE-2026-47677
Install security update from vendor's website.
FacturaScripts - update to 2026.3