ByteOS Network

Vulnerability Details :

CVE-2026-33670

Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa

Published At-26 Mar, 2026 | 21:15

Updated At-30 Mar, 2026 | 11:43

SiYuan has directory traversal within its publishing service

SiYuan is a personal knowledge management system. Prior to version 3.6.2, the /api/file/readDir interface was used to traverse and retrieve the file names of all documents under a notebook. Version 3.6.2 patches the issue.

EPSS History

Score

Latest Score

N/A

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N/A

▼Common Vulnerabilities and Exposures (CVE)

cve.org

Assigner:GitHub_M

Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa

Published At:26 Mar, 2026 | 21:15

Updated At:30 Mar, 2026 | 11:43

▼CVE Numbering Authority (CNA)

SiYuan has directory traversal within its publishing service

Affected Products

Vendor

siyuan-note

Product

siyuan

Versions

Affected

< 3.6.2

Problem Types

Type	CWE ID	Description
CWE	CWE-22	CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Type: CWE

CWE ID: CWE-22

Description: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Metrics

Version	Base score	Base severity	Vector
3.1	9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Version: 3.1

Base score: 9.8

Base severity: CRITICAL

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Hyperlink	Resource
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-xmw9-6r43-x9ww	x_refsource_CONFIRM

Hyperlink: https://github.com/siyuan-note/siyuan/security/advisories/GHSA-xmw9-6r43-x9ww

Resource:

x_refsource_CONFIRM

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Metrics Other Info

▼National Vulnerability Database (NVD)

nvd.nist.gov

Source:security-advisories@github.com

Published At:26 Mar, 2026 | 22:16

Updated At:30 Mar, 2026 | 17:02

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	3.1	9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary	3.1	7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Type: Secondary

Version: 3.1

Base score: 9.8

Base severity: CRITICAL

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Type: Primary

Version: 3.1

Base score: 7.5

Base severity: HIGH

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CPE Matches

b3log>>siyuan>>Versions before 3.6.2(exclusive)

cpe:2.3:a:b3log:siyuan:*:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-22	Primary	security-advisories@github.com

CWE ID: CWE-22

Type: Primary

Source: security-advisories@github.com

References

Hyperlink	Source	Resource
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-xmw9-6r43-x9ww	security-advisories@github.com	Exploit Vendor Advisory

Hyperlink: https://github.com/siyuan-note/siyuan/security/advisories/GHSA-xmw9-6r43-x9ww

Source: security-advisories@github.com

Resource:

Exploit

Vendor Advisory

CVE-2026-33670

Credits

SiYuan has directory traversal within its publishing service

Vendors

Products

Metrics (CVSS)

Weaknesses

Attack Patterns

Solution/Workaround

References

EPSS History

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Stakeholder-Specific Vulnerability Categorization (SSVC)

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Affected Products

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Metrics Other Info

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Change History

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