CVE-2022-39264: Fedoraproject Fedora

Medium severity, CVSS 5.9. EPSS: 0.8% chance of exploitation in the next 30 days.

nheko is a desktop client for the Matrix communication application. All versions below 0.10.2 are vulnerable homeservers inserting malicious secrets, which could lead to man-in-the-middle attacks. Users can upgrade to version 0.10.2 to protect against this issue. As a workaround, one may apply the patch manually, avoid doing verifications of one's own devices, and/or avoid pressing the request button in the settings menu.

Affected products

• Fedoraproject Fedora: version 36 only; version 37 only
• Nheko-Reborn Nheko: before 0.10.2 (fixed in 0.10.2)

Published 2022-09-28. Last modified 2026-06-17.