golang-github-go-chi-chi: go-chi chi versions >= 5.2.1 and before 5.3.0 contain an IP spoofing vulnerability in the RealIP middleware, which bl...
CVE-2026-72815 is fixed in 6 products on 1 platform, first by DEBIAN-CVE-2026-72815, released August 14, 2026. It is not reported as exploited. Patch Radar priority: Routine.
go-chi chi versions >= 5.2.1 and before 5.3.0 contain an IP spoofing vulnerability in the RealIP middleware, which blindly trusts the first (leftmost) value of the X-Forwarded-For HTTP header. A remote attacker can bypass IP-based access control lists and rate-limiting mechanisms, and forge log entries, by supplying a spoofed IP address in the X-Forwarded-For header. The issue is fixed in version 5.3.0.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| cloudflared · opensuse-leap 16.0 | 2026.8.2-bp160.1.1 | OPENSUSE-SU-2026:21670-1 | Aug 27, 2026 |
| golang-github-go-chi-chi · Debian 14 | 5.3.0-1 | DEBIAN-CVE-2026-72815 | Aug 14, 2026 |
| hauler · opensuse-leap 16.0 | 2.1.0-bp160.1.1 | OPENSUSE-SU-2026:21793-1 | Sep 3, 2026 |
| trivy · opensuse-leap 16.0 | 0.74.0-160000.1.1 | OPENSUSE-SU-2026:21645-1 | Aug 25, 2026 |
| v2ray-core · opensuse-leap 16.0 | 5.53.0-bp160.1.1 | OPENSUSE-SU-2026:21653-1 | Aug 25, 2026 |
| warewulf4 · opensuse-leap 16.0 | 4.7.1-bp160.1.1 | OPENSUSE-SU-2026:21918-1 | Sep 18, 2026 |
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