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Description

SiYuan is a personal knowledge management system. Prior to 3.6.0, the /api/network/forwardProxy endpoint allows authenticated users to make arbitrary HTTP requests from the server. The endpoint accepts a user-controlled URL and makes HTTP requests to it, returning the full response body and headers. There is no URL validation to prevent requests to internal networks, localhost, or cloud metadata services. This vulnerability is fixed in 3.6.0.

PUBLISHED Reserved 2026-03-10 | Published 2026-03-11 | Updated 2026-03-12 | Assigner GitHub_M




HIGH: 8.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Problem types

CWE-918: Server-Side Request Forgery (SSRF)

Product status

< 3.6.0
affected

References

github.com/...siyuan/security/advisories/GHSA-56cv-c5p2-j2wg

cve.org (CVE-2026-32110)

nvd.nist.gov (CVE-2026-32110)

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