CVE-2020-26163

PoC —

CVSS 3.1

8.8 high

EPSS

2%p73

Published

Sep 30, 2020 (Sep 30, 2020)

Modified

Jun 17, 2026

Description

BigBlueButton Greenlight before 2.5.6 allows HTTP header (Host and Origin) attacks, which can result in Account Takeover if a victim follows a spoofed password-reset link.

Vendors: bigbluebutton
Products: greenlight
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.5%)

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