Dashboard / CVE-2026-116167

CVE-2026-116167

HIGH
MEDIUM Priority: 0.05 BB Relevance: 55/100
Published: 2026-10-25 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network No Auth Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: High
PR: None
UI: Passive
AT: Present
VC: High
VI: High
VA: None

Description

SiYuan from 2.9.0 before 3.8.7 contains a cross-site scripting vulnerability in the unauthenticated /check-auth page that assigns the to parameter to window.location.href without scheme validation. Attackers can send a crafted link with a javascript: URI that executes after victim login, invoking kernel APIs to read or modify workspace content and settings.

Weakness Classification (1)

References & Advisories (2)

Bug Bounty Relevance

55 / 100
✓ Network accessible
✓ No authentication

CVSS Score

7.6 / 10.0 v4.0
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

EPSS — Exploitation Probability

0.66%
Raw Score 0.006560
Percentile 51.3%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00656
2026-10-28
0.00250

Intelligence Sources

mitre ref →
nvd ref →

External Links