CVE-2026-111934

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 bypa...

EUVD-2026-103301

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 bypa...

CVE-2026-111934

Coder versions prior to 2.34.7 are vulnerable to an IP spoofing vulnerability within the ExtractRealIPAddress middleware. The root cause is that the middleware trusts the leftmost, client-supplied X-Forwarded-For value instead of the actual client IP appended by a reverse proxy. This allows attac...

CVE-2026-111934 Coder before 2.34.7 IP Spoofing via X-Forwarded-For Header

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 bypa...

CVE-2026-111934 Coder before 2.34.7 IP Spoofing via X-Forwarded-For Header

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 bypa...

CVE-2026-111934

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 bypa...

CVE-2026-111934 Coder before 2.34.7 IP Spoofing via X-Forwarded-For Header

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 bypa...

CVE-2026-111934: Use of Less Trusted Source

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 bypa...

PT-2026-116502

Name of the Vulnerable Software and Affected Versions Coder versions prior to 2.34.7 Description An IP spoofing issue exists in the ExtractRealIPAddress middleware. The system incorrectly trusts the leftmost value provided by the client in the X-Forwarded-For header rather than the client IP...

Coder Trust Management Vulnerabilities

The Coder 2.34.7 version had a trust management vulnerability. This vulnerability stemmed from the ExtractRealIPAddress middleware trusting the leftmost X-Forwarded-For value provided by the client, rather than the client IP added by the reverse proxy. This allowed attackers to bypass login...