Is CVE-2026-55202 actively exploited?

No active exploitation of CVE-2026-55202 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-55202 be exploited remotely?

Yes. CVE-2026-55202 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-55202?

CVE-2026-55202 has a CVSS score of 8.2 (HIGH).

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HIGH

CVE-2026-55202

CWE-290Published: June 17, 2026· Updated: Jun 23, 2026

8.2

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2026-55202 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 8.2.