# CVE-2026-64619

## Summary

- **CVE ID:** CVE-2026-64619
- **Severity:** HIGH
- **CVSS Score:** 8.7 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N)
- **CWE:** CWE-348
- **Published:** Jul 20, 2026
- **Last Modified:** Jul 28, 2026

## 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.

## Affected Products

- vastsa — FileCodeBox (0)

## References

- [CNA](https://github.com/vastsa/FileCodeBox/issues/479)
- [CNA](https://github.com/vastsa/FileCodeBox/releases/tag/V2.4)
- [CNA](https://github.com/vastsa/FileCodeBox/commit/1b6d8e7277d3cfa34dc7a85803731d927b2147da)
- [CNA](https://www.vulncheck.com/advisories/filecodebox-anti-bruteforce-rate-limit-bypass-via-spoofed-headers)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.29%
- **EPSS Percentile:** 21.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._