CVE-2020-26163
CVSS v3
8.8
HIGH
EPSS Score
1.5 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2020-09-30
Frequently asked questions
What is CVE-2020-26163?
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.
Is CVE-2020-26163 actively exploited?
Active exploitation of CVE-2020-26163 has not been confirmed. Its EPSS score was 1.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-26163?
CVE-2020-26163 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2020-26163 affecting your environment?
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