AI Threat Alert
CVE-2026-72801
HIGHSiYuan versions before v3.7.4 disclose encrypted-notebook key-derivation material and wrapped data keys through unauthenticated endpoints in publish mode. Attackers can retrieve Argon2id salt, cost parameters, password verifiers, and wrapped notebook keys to perform unlimited offline...
Full CISO analysis pending enrichment.
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-2026-72801?
SiYuan versions before v3.7.4 disclose encrypted-notebook key-derivation material and wrapped data keys through unauthenticated endpoints in publish mode. Attackers can retrieve Argon2id salt, cost parameters, password verifiers, and wrapped notebook keys to perform unlimited offline master-password cracking without rate limiting.
Is CVE-2026-72801 actively exploited?
No confirmed active exploitation of CVE-2026-72801 has been reported, but organizations should still patch proactively.
How to fix CVE-2026-72801?
No patch is currently available. Monitor vendor advisories for updates.
What is the CVSS score for CVE-2026-72801?
CVE-2026-72801 has a CVSS v3.1 base score of 7.5 (HIGH).
What are the technical details?
Original Advisory
SiYuan versions before v3.7.4 disclose encrypted-notebook key-derivation material and wrapped data keys through unauthenticated endpoints in publish mode. Attackers can retrieve Argon2id salt, cost parameters, password verifiers, and wrapped notebook keys to perform unlimited offline master-password cracking without rate limiting.
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:U/C:H/I:N/A:N