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Vulnerabilities

Vulnerability · CVE-2026-33194

SiYuan is a personal knowledge management system.

Published Mar 20, 2026 · catalog updated Jun 17, 2026 · SiYuan is a personal

Check if you run it

No confirmed exploitation is on record for CVE-2026-33194. EPSS is 0.51%. Act only if a listed version of SiYuan is a personal is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (SiYuan is a personal).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.51%
Remediation
Advisory link
Affected products
cpe b3log/siyuan

SiYuan is a personal knowledge management system. Prior to version 3.6.2, the function in uses a denylist approach that was recently expanded (GHSA-h5vh-m7fg-w5h6, commit 9914fd1) but remains incomplete. Multiple security-relevant Linux directories are not blocked, including (application data), (local configs/binaries), (other users), and (mounted volumes). The and endpoints rely on as their primary defense against reading files outside the workspace. Version 3.6.2 contains an updated fix.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe b3log/siyuanversion unspecified

How to fix CVE-2026-33194

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-33194. EPSS is 0.51%. Act only if a listed version of SiYuan is a personal is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-22: Path Traversal. EPSS 0.51%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 20, 2026 · NIST NVD

    Detected

    SiYuan is a personal knowledge management system. Prior to version 3.6.2, the function in uses a denylist approach that was recently expanded (GHSA-h5vh-m7fg-w5h6, commit 9914fd1) but remains incomplete. Multiple security-relevant Linux directories are not blocked, including (application data), (local configs/binaries), (other users), and (mounted volumes). The and endpoints rely on as their prima

  2. Jun 17, 2026 · NIST NVD

    Updated

    SiYuan is a personal knowledge management system. Prior to version 3.6.2, the function in uses a denylist approach that was recently expanded (GHSA-h5vh-m7fg-w5h6, commit 9914fd1) but remains incomplete. Multiple security-relevant Linux directories are not blocked, including (application data), (local configs/binaries), (other users), and (mounted volumes). The and endpoints rely on as their prima

Sources

  • CVE.orgVulnerability recordCVE-2026-33194

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-33194

    30-day exploitation probability 0.5%

    first.org
  • NIST NVDVulnerability recordCVE-2026-33194

    SiYuan is a personal knowledge management system. Prior to version 3.6.2, the function in uses a denylist approach that was recently expanded (GHSA-h5vh-m7fg-w5h6, commit 9914fd1) but remains incomplete. Multiple security-relevant Linux d

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.