Vulnerability in Siyuan-note Siyuan
CVE-2026-59854
SiYuan is an open-source personal knowledge management system. Prior to 3.7.1, POST /api/file/globalCopyFiles accepts attacker-supplied absolute source paths and relies on util.IsSensitivePath in kernel/util/path.go, whose denylist misses…
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Siyuan-note Siyuan — versions < 3.7.1
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-59854?
- CVE-2026-59854 is a medium-severity vulnerability in Siyuan-note Siyuan, classified under Protection Mechanism Failure. CVSS score: 4.9/10. Published 2026-07-09.
- How severe is CVE-2026-59854?
- Medium severity. CVSS v3 base score is 4.9 out of 10.