CVE-2026-109559 EdgeEver Desktop 1.6.26 through 1.112.0 Navigation Allowlist Bypass via will-navigate
Attackers can bypass navigation allowlists in EdgeEver Desktop to load arbitrary origins and steal session tokens and RPC channels.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-109559?
CVE-2026-109559 is a high-severity vulnerability in tianma-if EdgeEver, published on 12 Oct 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-863
Which versions are affected by CVE-2026-109559?
How do I fix CVE-2026-109559?
No fix has been published for CVE-2026-109559 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-109559 being exploited?
There is no known exploitation of CVE-2026-109559 in the wild and no public exploit code.
Sources
Also known as GHSA-p9qx-79pg-cv5g.