Coder before 2.34.7 contains an IP spoofing vulnerability in the ExtractRealIPAddress middleware that trusts the leftmost, client-supplied X-Forwarded-For value instead of the client IP appended by a reverse proxy. Attackers can send forged X-Forwarded-For values through appending proxies to bypass per-IP rate limits on login, one-time passcode, and password validation endpoints, enabling brute-force attacks, and to falsify IP addresses recorded in audit logs.
Fix
Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.
Change history 4
- StatusPublished → Awaiting AnalysisNVD modified 2026-10-24 19:10
- StatusAwaiting Analysis → PublishedNVD modified 2026-10-19 16:39
- StatusReceived → Awaiting AnalysisNVD modified 2026-10-19 21:02
- First seenCVSS 6.3NVD modified 2026-10-19 17:17
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.