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CVE-2026-46527 cpp-httplib: Malicious `X-Forwarded-For` Under Trusted-Proxy Configuration Triggers Empty `vector::front()`, Leading to Undefined Behavior and Server Crash

🗓️ 29 May 2026 19:18:26Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 40 Views

CVE-2026-46527: cpp-httplib prior to 0.44.0 crashes with empty X-Forwarded-For under trusted proxies.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-46527
29 May 202619:18
attackerkb
Circl
CVE-2026-46527
29 May 202621:34
circl
CNNVD
cpp-httplib 代码问题漏洞
29 May 202600:00
cnnvd
CVE
CVE-2026-46527
29 May 202619:18
cve
Debian CVE
CVE-2026-46527
29 May 202619:18
debiancve
EUVD
EUVD-2026-33426
29 May 202619:18
euvd
Fedora
[SECURITY] Fedora 43 Update: cpp-httplib-0.48.0-1.fc43
3 Jul 202601:09
fedora
Fedora
[SECURITY] Fedora 44 Update: cpp-httplib-0.48.0-1.fc44
3 Jul 202600:56
fedora
Tenable Nessus
Fedora 44 : cpp-httplib (2026-1b15ac058b)
3 Jul 202600:00
nessus
Tenable Nessus
Fedora 43 : cpp-httplib (2026-1d4bd0354a)
3 Jul 202600:00
nessus
Rows per page
[
  {
    "vendor": "yhirose",
    "product": "cpp-httplib",
    "versions": [
      {
        "version": "< 0.44.0",
        "status": "affected"
      }
    ]
  }
]

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