VulnSocial

CVE-2026-116167

LOWCVSS 7.6 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-79

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-10-28: 110-28
Referenced assets1 URL
By indicator
Full discourse1 post
  • pdnuclei-bot@pdnuclei_bot

    🚨 CVE-2026-116167 - high 🚨 SiYuan 2.9.0-3.8.6 - Unauthenticated XSS via check-auth "to" Parameter > SiYuan 2.9.0 through 3.8.6 serves the unauthenticated /check-auth authorization page ... 👾 https://cloud.projectdiscovery.io/library/CVE-2026-116167 @pdnuclei #NucleiTemplat...

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