CVE-2026-109559

EdgeEver Desktop 1.6.26 through 1.112.0 Navigation Allowlist Bypass via will-navigate

8.4 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Active

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

0.31%Unchanged since Oct 13, 2026

What each source reports

CVE List Score used 8.4

EdgeEver Desktop 1.6.26 through 1.112.0 Navigation Allowlist Bypass via will-navigate

Record: CVE-2026-109559
CVSS 4.0: 8.4 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 8.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Weakness: CWE-863
Updated: 2026-11-02

EUVDEUVD-2026-97882 8.4

Record: EUVD-2026-97882
CVSS 4.0: 8.4 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-p9qx-79pg-cv5g 8.4

EdgeEver Desktop 1.6.26 through 1.112.0 contains a navigation allowlist bypass that lets...

Record: GHSA-p9qx-79pg-cv5g
CVSS 4.0: 8.4 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 8.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Weakness: CWE-863
Updated: 2026-11-02

NVD 8.4

Record: CVE-2026-109559
CVSS 4.0: 8.4 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 8.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Weakness: CWE-863
Updated: 2026-11-02

OSV 8.4

EdgeEver Desktop 1.6.26 through 1.112.0 Navigation Allowlist Bypass via will-navigate

Record: CVE-2026-109559
CVSS 4.0: 8.4 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Weakness: CWE-863
Updated: 2026-11-02

Affected products

tianma-if edgeever

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-109559 is a high vulnerability (CVSS 8.4) in Tianma-if Edgeever, published October 12, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 23rd percentile. No source names a fixed version.