PatchTheCVECVE-2025-51663: A vulnerability found in IPRateLimit implementation of FileCodeBox up to 2.2 allows remote attackers to bypass
CVE-2025-51663 is a high-severity flaw (CVSS 7.5) affecting filecodebox. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A vulnerability found in IPRateLimit implementation of FileCodeBox up to 2.2 allows remote attackers to bypass ip-based rate limit protection and failed attempt restrictions by faking X-Real-IP and X-Forwarded-For HTTP headers. This can enable attackers to perform DoS attacks or brute force share codes.
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 62%) |
| CISA exploited list | No |
| Weakness | CWE-305 |
| Published | 2025-11-19 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-51663?
filecodebox: upgrade to newer than 2.2. Exact commands for each OS are on this page.
Is CVE-2025-51663 being exploited?
CVE-2025-51663 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-51663 affect?
CVE-2025-51663 affects filecodebox. Severity is high (CVSS 7.5). A vulnerability found in IPRateLimit implementation of FileCodeBox up to 2.2 allows remote attackers to bypass ip-based rate limit protection and failed attempt restrictions by faking X-Real-IP and X-Forwarded-For HTTP headers. This can ena
How urgent is CVE-2025-51663?
Priority 46/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action
Related CVEs
- CVE-2025-51662 MEDIUM 5.4 UPGRADE A stored cross-site scripting (XSS) vulnerability is found in the text sharing feature of FileCodeBox version
- CVE-2025-51661 HIGH 7.5 UPGRADE A path Traversal vulnerability found in FileCodeBox v2.2 and earlier allows arbitrary file writes when applica
- CVE-2024-34525 MEDIUM 5.3 DOWNGRADE FileCodeBox 2.0 stores a OneDrive password and AWS key in a cleartext env file.