Get a Demo

Let's Patch It!

Book a short call with one our specialists, we'll walk you through how Endor Patches work, and ask you a few questions about your environment (like your primary programming languages and repository management). We'll also send you an email right after you fill out the form, feel free to reply with any questions you have in advance!

CVE

CVE-2026-56397

SiYuan vulnerable to remote code execution via marketplace XSS in github.com/siyuan-note/siyuan/kernel
Back to all
CVE

CVE-2026-56397

SiYuan vulnerable to remote code execution via marketplace XSS in github.com/siyuan-note/siyuan/kernel

SiYuan vulnerable to remote code execution via marketplace XSS in github.com/siyuan-note/siyuan/kernel.

NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.

(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)

The additional affected modules and versions are: github.com/siyuan-note/siyuan/kernel before v3.6.1.

Package Versions Affected

Package Version
patch Availability
No items found.

Automatically patch vulnerabilities without upgrading

Fix Without Upgrading
Detect compatible fix
Apply safe remediation
Fix with a single pull request

CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.4
-
4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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
C
H
U
0
-
C
H
U
-

Related Resources

No items found.

References

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-v3mg-9v85-fcm7

Severity

9.6

CVSS Score
0
10

Basic Information

Base CVSS
9.6
EPSS Probability
0.007%
EPSS Percentile
0.51626%
Introduced Version
0
Fix Available
0.0.0-20260317012524-fe4523fff2c8

Fix Critical Vulnerabilities Instantly

Secure your app without upgrading.
Fix Without Upgrading