CVE-2021-22916

5.9 mediumEPSS 3.0%

Medium (5.9) in brave brave. EPSS 3.0% chance of exploitation in the next 30 days.

In Brave Desktop between versions 1.17 and 1.26.60, when adblocking is enabled and a proxy browser extension is installed, the CNAME adblocking feature issues DNS requests that used the system DNS settings instead of the extension's proxy settings, resulting in possible information disclosure.

Severity

CVSS 3.1

5.9 medium

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 3.0% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-31)
CWE: CWE-200
Published: 2021-07-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

brave:brave

References

https://hackerone.com/reports/1203842
https://hackerone.com/reports/1203842

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