Threats Tagged 'cve-2026-55430'
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Threats Tagged 'cve-2026-55430'
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GHSA-5g4w-3vw9-478w: Coder's subdomain workspace app routing trusts unauthenticated X-Forwarded-Host header, enabling cross-app data accessCVE-2026-55430 0 A vulnerability in Coder's subdomain workspace app routing allows an attacker to exploit the unauthenticated X-Forwarded-Host header to access cross-app data. The app proxy prefers the X-Forwarded-Host header over the real Host header without stripping or validating it, enabling an attacker controlling a shared app to forge this header and access private app data of a victim. Exploitation requires subdomain app routing enabled and no upstream proxy stripping the header. The issue is patched in versions 2.34.2, 2.33.8, 2.32.7, and 2.29.17. Join the discussion | GCVE Database | 07/06/2026, 21:05:31 UTC Added: 07/06/2026, 23:02:27 UTC |
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