CVE-2026-73607 json
SiYuan before v3.7.4 Information Disclosure via getOutlineStorage
published 2mo ago modified 18d ago also EUVD-2026-57811 , GHSA-53fp-9jmv-227g , GO-2026-6624
- cvss
- 5.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 16%
- public exploits
- 0
- none known
Summary
SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the /api/storage/getOutlineStorage endpoint that performs no authorization checks. Attackers can retrieve outline state including heading identifiers for any document by supplying its identifier, even for documents forbidden to the requester.
Patch / fix
- go github.com/siyuan-note/siyuan/kernel 0.0.0-20260812083335-251596fc0de2
- siyuan-note siyuan 3.7.4
Is CVE-2026-73607 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2mo ago
Exploit prediction
0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-11).
Exploits and checks
- github.com https://github.com/siyuan-note/siyuan/security/advisories/GHSA-53fp-9jmv-227g referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N |
| CNA | 3.1 | 5.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N |
| GitHub | 3.1 | 5.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N |
| CNA | 4.0 | 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/siyuan-note/siyuan/kernel | <0.0.0-20260812083335-251596fc0de2 |
0.0.0-20260812083335-251596fc0de2 |
Affected products
- siyuan-note siyuan
Classification
- Weakness
-
- CWE-862 Missing Authorization
References
-
github.com
/siyuan-note/siyuan/security/advisories/GHSA-53fp-9jmv-227g
vendor-advisory, exploit, web, advisory
-
vulncheck.com
/advisories/siyuan-before-information-disclosure-via-getoutlinestorage
third-party-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2026-73607
advisory
-
github.com
/siyuan-note/siyuan
package
-
github.com
/siyuan-note/siyuan/releases/tag/v3.8.0
web
Sources
- CVE List CVE-2026-73607
- GitHub Advisory GHSA-53fp-9jmv-227g
- NVD CVE-2026-73607
- OSV GO-2026-6624
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.