AI Threat Alert
CVE-2026-72793
HIGHSiYuan versions before v3.7.4 fail to mask sensitive configuration fields in the /api/system/getConf endpoint, allowing anonymous or publish-reader users to obtain the session-cookie signing key, OS username via pandoc path, and encrypted-notebook key material. Attackers can forge and tamper with...
Full CISO analysis pending enrichment.
What systems are affected?
| Package | Ecosystem | Vulnerable Range | Patched |
|---|---|---|---|
| siyuan | — | — | No patch |
Do you use siyuan? You're affected.
How severe is it?
What is the attack surface?
What should I do?
No patch available
Monitor for updates. Consider compensating controls or temporary mitigations.
Which compliance frameworks are affected?
Compliance analysis pending. Sign in for full compliance mapping when available.
Frequently Asked Questions
What is CVE-2026-72793?
SiYuan versions before v3.7.4 fail to mask sensitive configuration fields in the /api/system/getConf endpoint, allowing anonymous or publish-reader users to obtain the session-cookie signing key, OS username via pandoc path, and encrypted-notebook key material. Attackers can forge and tamper with session cookies to impersonate users, and on instances without access-auth codes configured, escalate to administrator privileges.
Is CVE-2026-72793 actively exploited?
No confirmed active exploitation of CVE-2026-72793 has been reported, but organizations should still patch proactively.
How to fix CVE-2026-72793?
No patch is currently available. Monitor vendor advisories for updates.
What is the CVSS score for CVE-2026-72793?
CVE-2026-72793 has a CVSS v3.1 base score of 8.6 (HIGH).
What are the technical details?
Original Advisory
SiYuan versions before v3.7.4 fail to mask sensitive configuration fields in the /api/system/getConf endpoint, allowing anonymous or publish-reader users to obtain the session-cookie signing key, OS username via pandoc path, and encrypted-notebook key material. Attackers can forge and tamper with session cookies to impersonate users, and on instances without access-auth codes configured, escalate to administrator privileges.
Weaknesses (CWE)
CWE-522 — Insufficiently Protected Credentials: The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.
- [Architecture and Design] Use an appropriate security mechanism to protect the credentials.
- [Architecture and Design] Make appropriate use of cryptography to protect the credentials.
Source: MITRE CWE corpus.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N