{"id":"EUVD-2026-38163","enisaUuid":"85cf53d9-3104-3e50-8c63-b3afa4c4b639","description":"SiYuan before v3.6.1 fails to sanitize package metadata and README content in the Bazaar marketplace, allowing malicious package authors to inject arbitrary HTML and JavaScript. Attackers can achieve remote code execution on any user browsing the Bazaar by embedding XSS payloads in package displayName, description, or README fields, exploiting Electron\u0027s nodeIntegration setting to execute OS commands.","datePublished":"Jun 21, 2026, 1:27:04 PM","dateUpdated":"Oct 8, 2026, 3:23:24 PM","baseScore":9.4,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","references":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-v3mg-9v85-fcm7\nhttps://www.vulncheck.com/advisories/siyuan-remote-code-execution-via-malicious-bazaar-package-metadata-and-readme-2\n","aliases":"CVE-2026-56397\nGHSA-24r3-p3x6-cqvx\n","assigner":"VulnCheck","epss":0.5,"enisaIdProduct":[{"id":"1da12c28-1a33-3c1c-8a64-7003b888d5bc","product":{"name":"SiYuan","vendor":{"name":"siyuan-note"}},"product_version":"0 \u003c3.6.1"}],"enisaIdVendor":[{"id":"3e25bb75-f384-3bf3-a77a-2b2ddaa8059d","vendor":{"name":"SiYuan"}}],"enisaIdVulnerability":[{"id":"30e7399b-b32c-317a-82c8-9a02ce67ffdd","vulnerability":{"id":"GHSA-24r3-p3x6-cqvx","description":"Duplicate Advisory: SiYuan Vulnerable to Remote Code Execution via Malicious Bazaar Package — Marketplace XSS","datePublished":"Jun 21, 2026, 3:31:25 PM","dateUpdated":"Sep 14, 2026, 6:12:25 PM","baseScore":0.0,"references":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-v3mg-9v85-fcm7\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-56397\nhttps://github.com/siyuan-note/siyuan\nhttps://www.vulncheck.com/advisories/siyuan-remote-code-execution-via-malicious-bazaar-package-metadata-and-readme-2\n","enisa_id":"EUVD-2026-38163\n","aliases":"GHSA-24r3-p3x6-cqvx\n","epss":0.0,"dataProcessed":"Oct 25, 2026, 1:57:08 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}},{"id":"401c52bd-0ce7-368c-a1c3-47d08fc9438a","vulnerability":{"id":"CVE-2026-56397","description":"SiYuan before v3.6.1 fails to sanitize package metadata and README content in the Bazaar marketplace, allowing malicious package authors to inject arbitrary HTML and JavaScript. Attackers can achieve remote code execution on any user browsing the Bazaar by embedding XSS payloads in package displayName, description, or README fields, exploiting Electron\u0027s nodeIntegration setting to execute OS commands.","datePublished":"Jun 21, 2026, 1:27:04 PM","dateUpdated":"Oct 8, 2026, 3:23:24 PM","status":"PUBLISHED","baseScore":9.4,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","references":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-v3mg-9v85-fcm7\nhttps://www.vulncheck.com/advisories/siyuan-remote-code-execution-via-malicious-bazaar-package-metadata-and-readme-2\n","enisa_id":"EUVD-2026-38163\n","assigner":"VulnCheck","epss":0.5,"dataProcessed":"Oct 30, 2026, 7:17:17 AM","vulnerabilityProduct":[{"id":"4c4220c6-825f-324e-aca2-bf57a19daf4b","product":{"name":"SiYuan","vendor":{"name":"siyuan-note"}},"product_version":"0 \u003c3.6.1"}],"vulnerabilityVendor":[{"id":"89a94fe5-b65c-37a2-8817-9ad0c17b99f1","vendor":{"name":"SiYuan"}}]}}],"enisaIdAdvisory":[]}