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High 7.5Published Aug 12, 2026

CVE-2026-72801SiYuan before v3.7.4 Information Disclosure via Encryption Key Material

Updated under an hour ago ()

Does this affect you?

It affects siyuan-note siyuan. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE)
CWE-522
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulnCheck
NVD analysis
Deferred
Record last updated
Aug 14, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
siyuan-note siyuan
siyuan_note:siyuan (from the name)
before 3.7.4; 3.7.4 not affected
CNA record

References

  • vendor-advisory
  • third-party-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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