Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 8.7 | High | 4.0 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N | CNA (VulnCheck) |
- CISA KEV Not listed.
- EPSS 0.0045, the 39th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 14:12 UTC First seen by agentprime
- 31 Oct 2026, 14:12 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-4vpg-gwqq-w44c
- OSV: GHSA-4vpg-gwqq-w44c
- github.com/siyuan-note/siyuan/security/advisories/GHSA-4vpg-gwqq-w44c
- nvd.nist.gov/vuln/detail/CVE-2026-74904
- github.com/siyuan-note/siyuan/commit/bd067a4fe9b208c0858d8d9dc6220dc8affc403e
- github.com/siyuan-note/siyuan
- github.com/siyuan-note/siyuan/releases/tag/v3.8.0
- www.vulncheck.com/advisories/siyuan-before-missing-authorization-via-block-api