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Vulnerabilities CVE-2026-55202

CVE-2026-55202

High
Open
TLP:CLEAR

Tinyproxy - Stathost Detection Bypass via Host Header Manipulation

NVD CVE.org
Critical Infrastructure

AI Analysis

No AI analysis yet.

Description

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 manipulation. Remote attackers can trigger unauthorized access to internal proxy statistics or misroute requests as transparent proxy connections to circumvent access controls.

Details

CVSS Score
8.8
EPSS Score
0.38%

31.1th percentile

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
Confidence
90%
Published
Jun 17, 2026
Last Modified
Jul 14, 2026
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