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.IsS
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 common home-directory credential files such as .git-credentials, .netrc, .pgpass, .kube/config, .docker/config.json, and .gnupg, allowing an authenticated administrator or API-token user to copy those files into the workspace and exfiltrate them through the file API. This issue is fixed in versions 3.7.1-alpha.2 and 3.7.1.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-59854
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-598540.28% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 20% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-59854 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for SiYuan is an
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- criticalGHSA-56mp-4f3v-fgj2: SiYuan: Stored XSS to RCE via Unsanitized Attribute View Asset Cell Contentghsa · 2026-07-10
- criticalGHSA-5xfx-xj4h-5p7r: SiYuan: Stored XSS to RCE via attribute-view cell rendering in genAVValueHTML()ghsa · 2026-07-10
- highGHSA-w7cg-whh7-xp28: SiYuan: Stored XSS in Bazaar marketplace via package README event handlersghsa · 2026-07-10
- criticalGHSA-hvr9-72v2-fff3: SiYuan: Unauthenticated Admin API Access via Blanket chrome-extension:// Origin Allowlistghsa · 2026-07-10
- mediumGHSA-gcm7-57gf-953c: SiYuan: Unauthenticated SQLite Data Exfiltration via Template Injection in /api/icon/getD…ghsa · 2026-07-10
- criticalGHSA-mvjr-vv3c-w4qv: SiYuan: Stored XSS to RCE via CSS-snippet breakout in renderSnippet()ghsa · 2026-07-10
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