{"cve":"CVE-2026-72793","nvd":{"published":"2026-08-12T20:17:50.837","modified":"2026-10-24T15:10:00.190","status":"Deferred","description":"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.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","score":9.2},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","score":8.6},"cwes":["CWE-522"],"references":["https://github.com/siyuan-note/siyuan/security/advisories/GHSA-h4v5-crx2-3cv4","https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-api-system-getconf","https://github.com/siyuan-note/siyuan/security/advisories/GHSA-h4v5-crx2-3cv4"],"products":[],"source":"nvd","synced_at":"2026-10-24T16:53:35.584907681+00:00"},"epss":{"cve":"CVE-2026-72793","score":0.00305,"percentile":0.23043,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-h4v5-crx2-3cv4","url":"https://osv.dev/vulnerability/GHSA-h4v5-crx2-3cv4","summary":"SiYuan: Non-administrator responses from /api/system/getConf omit three secrets that the configuration-export path explicitly strips, disclosing the session-cookie signing key and the OS username to anonymous readers","modified":"2026-09-10T15:25:34.584977109Z","packages":[{"ecosystem":"Go","name":"github.com/siyuan-note/siyuan/kernel","purl":"pkg:golang/github.com/siyuan-note/siyuan/kernel","ranges":["<0.0.0-20260725132049-2d8b98395a91"],"fixed":["0.0.0-20260725132049-2d8b98395a91"]}]},{"id":"GO-2026-6424","url":"https://osv.dev/vulnerability/GO-2026-6424","summary":"SiYuan: Non-administrator responses from /api/system/getConf omit three secrets that the configuration-export path explicitly strips, disclosing the session-cookie signing key and the OS username to anonymous readers in github.com/siyuan-note/siyuan/kernel","modified":"2026-09-10T15:15:15.608800335Z","packages":[{"ecosystem":"Go","name":"github.com/siyuan-note/siyuan/kernel","purl":"pkg:golang/github.com/siyuan-note/siyuan/kernel","ranges":["<0.0.0-20260725132049-2d8b98395a91"],"fixed":["0.0.0-20260725132049-2d8b98395a91"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}