CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Called exploited 40 days after disclosure.
Measured from the CVE publication date to the earliest of 1 KEV catalogue that list it.
The life of this vulnerability
- CVE published
- First KEV listing40d
- Last sighting32d
Gaps are compressed to equal steps. The elapsed time is printed under each.
Which catalogues call it exploited
- CISA KEVUS federaldoes not list it
- EUVDENISA, European Uniondoes not list it
- VulnCheck KEVcommercial researchlisted Aug 3, 2026
- CIRCLaggregator, mirrors the abovelisted Aug 3, 2026, not counted
This rests on a single catalogue. No second catalogue corroborates the claim that it is being exploited. CIRCL is an aggregator and is not counted.
Public exploitation evidence
- reported exploitationdashboard.shadowserver.org/statistics/honeypot/vulnerability
- reported exploitationdashboard.shadowserver.org/statistics/honeypot/vulnerability
- reported exploitationdashboard.shadowserver.org/statistics/honeypot/vulnerability
- reported exploitationdashboard.shadowserver.org/statistics/honeypot/vulnerability
- reported exploitationdashboard.shadowserver.org/statistics/honeypot/vulnerability
- reported exploitationdashboard.shadowserver.org/statistics/honeypot/vulnerability
9 public reports collected from VulnCheck and CIRCL, first on Aug 3, 2026. Each links to its original source. We have not verified them.
Description
SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, the patch for CVE-2026-41894 ("Path Traversal via Double URL Encoding") sanitized the /export/ route but the identical root cause remains in the /assets/*path route. In publish mode (anonymous read-only HTTP endpoint, default port 6808), an unauthenticated remote attacker can read arbitrary files inside WorkspaceDir — including conf/conf.json (which contains the AccessAuthCode SHA256 hash, API token, and sync keys), temp/siyuan.db, temp/blocktree.db, and siyuan.log — by double-URL-encoding .. segments. This vulnerability is fixed in 3.7.0.