8.7

CVE-2026-72801: siyuan-note siyuan Insufficiently Protected Credentials

CVSS: 8.7v4.0HighDeferred
AliasesGHSA-8x84-r2ff-h8pqGO-2026-6392
Published 12-08-2026Last modified 14-08-2026
Open JSON

Vulnerability summary

CVE-2026-72801 is a high (CVSS 8.7) Insufficiently Protected Credentials vulnerability in siyuan-note siyuan. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 33.7% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.7/10
010
High · v4.0 (CVE.org)
EPSS score
0.41%
0%100%
Low · +0.17 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 3
OPENSUSE-SU-2026:21897-1SUSE-SU-2026:23855-1SUSE-SU-2026:23863-1

Timeline

  1. 12-08-2026
    PublishedVulnerability first disclosed.
  2. 14-08-2026
    Last modifiedVulnerability information updated.

Description

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 metrics

5 scores · 3 sources · 2 versions

EPSS trend

Probability

0.41%

Chance of exploitation in the next 30 days

Percentile

34%

Versus all other CVEs

30-day change

+0.17 pp

From 0.24% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.41%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Github.com/siyuan-note/siyuan1 product
  • kernel< 0.0.0-20260724102025-3bc014c7dc32
Siyuan-note1 product

2 vendors · 2 products

References

4 links