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CVE-2026-55202: Authentication Bypass by Spoofing

🗓️ 17 Jun 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Unauthenticated remote authentication bypass in Tinyproxy through 1.11.3 via Host header spoofing.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-55202
17 Jun 202623:01
–circl
cve
CVE
CVE-2026-55202
17 Jun 202619:13
–cve
cvelist
Cvelist
CVE-2026-55202 Tinyproxy - Stathost Detection Bypass via Host Header Manipulation
17 Jun 202619:13
–cvelist
debiancve
Debian CVE
CVE-2026-55202
17 Jun 202619:13
–debiancve
euvd
EUVD
EUVD-2026-37786
17 Jun 202619:13
–euvd
nvd
NVD
CVE-2026-55202
17 Jun 202620:17
–nvd
opensuse
OPENSUSE Linux
tinyproxy-1.11.3-3.1 on GA media (moderate)
19 Jun 202600:00
–opensuse
osv
OSV
DEBIAN-CVE-2026-55202
17 Jun 202620:17
–osv
osv
OSV
OPENSUSE-SU-2026:11060-1 tinyproxy-1.11.3-3.1 on GA media
18 Jun 202600:00
–osv
osv
OSV
UBUNTU-CVE-2026-55202
17 Jun 202620:17
–osv
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14 Jul 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.2
CVSS 48.8
EPSS0.00571
SSVC
0