CVE-2026-64619 FileCodeBox < 2.4 Anti-bruteforce Rate Limit Bypass via Spoofed Headers
Attackers can bypass rate limits by spoofing IP headers to enumerate share codes and access other users' files without authentication.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-64619?
CVE-2026-64619 is a high-severity vulnerability in vastsa FileCodeBox, published on 20 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
FileCodeBox before 2.4 contains a rate-limit bypass vulnerability in the IPRateLimit class that allows unauthenticated attackers to circumvent request throttling by supplying attacker-controlled X-Real-IP and X-Forwarded-For headers without verification of trusted reverse proxy origin. Attackers can supply unique spoofed IP values on each request to enumerate all possible share codes and retrieve other users' files without authentication.
Weakness: CWE-348
Which versions are affected by CVE-2026-64619?
How do I fix CVE-2026-64619?
No fix has been published for CVE-2026-64619 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-64619 being exploited?
There is no known exploitation of CVE-2026-64619 in the wild and no public exploit code.
Sources
Also known as GHSA-q7qg-rc6j-fpwp.