CVE-2026-109559: EdgeEver Desktop 1.6.26 through 1.112.0 Navigation Allowlist Bypass via will-navigate

Severity: high (CVSS 8.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-12 · updated 2026-10-16
Weakness: CWE-863

Description

EdgeEver Desktop 1.6.26 through 1.112.0 contains a navigation allowlist bypass that lets attackers load arbitrary origins in the main window via string-prefix URL matching. Attackers can embed a link using userinfo syntax after the dev-server prefix, for example in a note-template preview, to obtain the edgeeverDesktop bridge including session token, sidecar RPC, and ACP channels.

Affected products

tianma-if EdgeEver: from 1.6.26 through 1.112.0

References

https://github.com/tianma-if/edgeever
https://github.com/tianma-if/edgeever/blob/f6ade70423ba366077653dbb8ac43a677933c776/apps/desktop/src/main/index.mjs#L1560-L1564
https://github.com/tianma-if/edgeever/commit/6b5027e8b4becbee0c0de7cd1a3d04af78ca87ca
https://github.com/tianma-if/edgeever/issues/536
https://github.com/tianma-if/edgeever/issues/546
https://www.vulncheck.com/advisories/edgeever-desktop-1.6.26-through-1.112.0-navigation-allowlist-bypass-via-will-navigate

Get alerted when CVE-2026-109559 or the next vulnerability affects your stack