CVE-2026-39858

Traefik vulnerable to a high-severity authentication bypass via forwarded alias headers. The sanitization logic targets only canonical headers (e.g., X-Forwarded-Proto) and does not strip or normalize alias forms using underscores (e.g., X_Forwarded_Proto). When an auth backend normalizes undersc...

CVE-2026-3902

An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30. ASGIRequest allows a remote attacker to spoof headers by exploiting an ambiguous mapping of two header variants with hyphens or with underscores to a single version with underscores. Earlier, unsupported Django...