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medium

CVE-2026-111934

Coder before 2.34.7: the ExtractRealIPAddress middleware trusts the LEFTMOST, client-supplied X-Forwarded-For value instead of the connecting peer, so any client can forge its source IP past IP-based allowlists, rate limits and audit logs

Severity
medium
Affected product
Coder
Affected versions
Coder < 2.34.7
Fixed in
Coder 2.34.7
Detection basis
Component version range
Shipped rule
Coder: Coder before 2.34.7: the ExtractRealIPAddress middleware trusts the LEFTMOST, client-supplied X-Forwarded-For value instead of the connecting peer, so any client can forge its source IP past IP-based allowlists, rate limits and audit logs
Added to NewScan
2026-10-18
Detected by
NewScan — free, self-hosted

How NewScan reports it

COMPONENT VERSION RANGE

NewScan fingerprints Coder from its response and reports this CVE when the detected version falls inside the affected range below.

References

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