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CVE-2026-71555: Use of Web Link to Untrusted Target with window.opener Access

🗓️ 06 Aug 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 1 Views

PILOS 2.1.0-4.14.0 missing COOP header allows reverse tabnabbing via window.opener.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-71555
6 Aug 202621:51
–attackerkb
cve
CVE
CVE-2026-71555
6 Aug 202621:51
–cve
cvelist
Cvelist
CVE-2026-71555 PILOS: Reverse tabnabbing in room description
6 Aug 202621:51
–cvelist
euvd
EUVD
EUVD-2026-54178
6 Aug 202621:51
–euvd
nvd
NVD
CVE-2026-71555
6 Aug 202622:18
–nvd
vulnrichment
Vulnrichment
CVE-2026-71555 PILOS: Reverse tabnabbing in room description
6 Aug 202621:51
–vulnrichment

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10 Sep 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.1
EPSS0.00293
SSVC
1