CVE-2026-33670

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.6.2)"}}], "enrichment": {"confidence": 84.0, "confidence_source": "matching", "scores": [{"score": 84.0, "source": "matching"}]}, "original": {"product": "siyuan", "source": "cna", "vendor": "siyuan-note"}, "product": "siyuan", "vendor": "siyuan"}], "analysis": {"en": {"generated_at": "2026-03-30T18:28:50.354115+00:00", "value": {"mitigation_remediation": ["Upgrade SiYuan to version 3.6.2 or later.", "Confirm the version after upgrading.", "If upgrading is not immediately possible, restrict external access to the publishing service or disable the service entirely."], "summary": {"action": "Immediate Patch", "impact": "Directory Traversal"}, "threat_synthesis": {"affected_systems": "SiYuan products before version 3.6.2 are affected. Any deployment running a prior release is vulnerable and must be upgraded.", "description_and_impact": "SiYuan\u2019s /api/file/readDir endpoint permits directory traversal, enabling an attacker to enumerate file names of all documents within a notebook. This can lead to disclosure of sensitive information if the system holds confidential notes. The flaw is classified as CWE-22, indicating improper validation of directory paths.", "risk_and_exploitability": "The vulnerability carries a CVSS score of 9.8, indicating high severity, but its EPSS score is below 1%, suggesting low probability of exploitation. It is not listed in the CISA KEV catalog. The likely attack vector is a web API request to the /api/file/readDir endpoint, which appears reachable without authentication based on the description, although this is an inference."}}}}, "created": "2026-03-27T08:31:44.732098+00:00", "updated": "2026-03-30T20:57:22.438500+00:00", "vendors": ["siyuan", "siyuan$PRODUCT$siyuan"]}