{"schema_version":1,"title":"B3log Siyuan vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in B3log Siyuan: 1 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-123492, was published on 6 November 2026. 1 vulnerability in the last four weeks, up from none in the four before.","url":"https://junglewise.ai/threats/technologies/b3log-siyuan","json_url":"https://junglewise.ai/threats/technologies/b3log-siyuan.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/b3log-siyuan","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","thin":true,"counts":{"high":2,"all_time":3,"critical":0,"exploited":0,"last_7_days":1,"last_30_days":1,"last_90_days":1,"last_365_days":3},"latest":[{"cve":"CVE-2026-123492","cvss":4.9,"slug":"cve-2026-123492-siyuan-before-3-8-9-contains-a-nil-pointer-dereference","title":"SiYuan nil pointer dereference in MCP privateCacheMiddleware","severity":"medium","exploited":false,"published_at":"2026-11-06T15:17:18.83+00:00","url":"https://junglewise.ai/threats/cve-2026-123492-siyuan-before-3-8-9-contains-a-nil-pointer-dereference"},{"cve":"CVE-2025-68948","cvss":8.1,"epss":0.0022,"slug":"cve-2025-68948-siyuan-is-self-hosted-open-source-personal-knowledge-management","title":"SiYuan is self-hosted, open source personal knowledge management software. In versions 3.5.1 and prior, the SiYuan…","severity":"high","exploited":false,"published_at":"2025-12-27T01:15:42.72+00:00","url":"https://junglewise.ai/threats/cve-2025-68948-siyuan-is-self-hosted-open-source-personal-knowledge-management"},{"cve":"CVE-2025-67488","cvss":7.8,"epss":0.0044,"slug":"cve-2025-67488-siyuan-zipslip-arbitrary-file-overwrite-rce","title":"GO-2025-4221 - SiYuan: ZipSlip -> Arbitrary File Overwrite -> RCE in github.com/siyuan-note/siyuan/kernel","severity":"high","exploited":false,"published_at":"2025-12-09T21:16:00.317+00:00","url":"https://junglewise.ai/threats/cve-2025-67488-siyuan-zipslip-arbitrary-file-overwrite-rce"}],"weekly":[{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"related":[],"technology":{"hub":true,"name":"B3log Siyuan","slug":"b3log-siyuan","vendor":{"hub":true,"name":"B3log","slug":"b3log","url":"https://junglewise.ai/threats/vendors/b3log"},"aliases":[],"category":"note-taking","description":"Personal knowledge management system supporting markdown notes, databases, and local storage.","url":"https://junglewise.ai/threats/technologies/b3log-siyuan"},"most_severe":[{"cve":"CVE-2025-68948","cvss":8.1,"epss":0.0022,"slug":"cve-2025-68948-siyuan-is-self-hosted-open-source-personal-knowledge-management","title":"SiYuan is self-hosted, open source personal knowledge management software. In versions 3.5.1 and prior, the SiYuan…","severity":"high","exploited":false,"published_at":"2025-12-27T01:15:42.72+00:00","url":"https://junglewise.ai/threats/cve-2025-68948-siyuan-is-self-hosted-open-source-personal-knowledge-management"},{"cve":"CVE-2025-67488","cvss":7.8,"epss":0.0044,"slug":"cve-2025-67488-siyuan-zipslip-arbitrary-file-overwrite-rce","title":"GO-2025-4221 - SiYuan: ZipSlip -> Arbitrary File Overwrite -> RCE in github.com/siyuan-note/siyuan/kernel","severity":"high","exploited":false,"published_at":"2025-12-09T21:16:00.317+00:00","url":"https://junglewise.ai/threats/cve-2025-67488-siyuan-zipslip-arbitrary-file-overwrite-rce"},{"cve":"CVE-2026-123492","cvss":4.9,"slug":"cve-2026-123492-siyuan-before-3-8-9-contains-a-nil-pointer-dereference","title":"SiYuan nil pointer dereference in MCP privateCacheMiddleware","severity":"medium","exploited":false,"published_at":"2026-11-06T15:17:18.83+00:00","url":"https://junglewise.ai/threats/cve-2026-123492-siyuan-before-3-8-9-contains-a-nil-pointer-dereference"}],"generated_at":"2026-11-09T03:07:00.176479+00:00"}