Out-of-bounds Read Affecting github.com/siyuan-note/siyuan/kernel/api package, versions <3.5.4-dev3
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMSIYUANNOTESIYUANKERNELAPI-15046315
- published21 Jan 2026
- disclosed21 Jan 2026
- creditJarosław Wawiórko
Introduced: 21 Jan 2026
CVE-2026-23851 Â (opens in a new tab)How to fix?
Upgrade github.com/siyuan-note/siyuan/kernel/api to version 3.5.4-dev3 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Read via the globalCopyFiles function. An attacker can access sensitive files outside the intended directory by supplying arbitrary file paths to the API endpoint.