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CVE-2026-55202 Tinyproxy - Stathost Detection Bypass via Host Header Manipulation

🗓️ 17 Jun 2026 19:13:45Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Tinyproxy through 1.11.3, fixed in commit 09312a1, fails to properly validate the Host header during stathost detection, allowing unauthenticated attackers to access the stats page by injecting a matching Host header or bypass detection via port m...

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-55202
17 Jun 202623:01
circl
CVE
CVE-2026-55202
17 Jun 202619:13
cve
EUVD
EUVD-2026-37786
17 Jun 202619:13
euvd
NVD
CVE-2026-55202
17 Jun 202620:17
nvd
Positive Technologies
PT-2026-50530
17 Jun 202600:00
ptsecurity
[
  {
    "vendor": "tinyproxy",
    "product": "tinyproxy",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThanOrEqual": "1.11.3"
      },
      {
        "status": "unaffected",
        "version": "09312a185ae25cc486b4ff5987638a7917a48bce",
        "versionType": "git"
      }
    ],
    "repo": "https://github.com/tinyproxy/tinyproxy"
  }
]

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17 Jun 2026 19:45Current
CVSS 3.18.2
CVSS 48.8
5