CVE-2026-100640
4.7 MEDIUMpublic exploit availablePublished 2026-09-26 · Updated 2026-09-28
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
SiYuan before v3.8.4 contains an authorization omission in the siyuan-get IPC handler that allows remote-kernel renderers to access native clipboard formats by invoking clipboardReadMathML, clipboardReadOffice, and clipboardReadWPS commands with matching plaintext. Attackers controlling remote renderer content can obtain MathML formulas, Office bytes, and WPS bytes from local clipboard during user-mediated paste operations.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
Weaknesses
CWE-200
Public exploit & PoC references
All references
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
Related CVEs
- UNSCOREDCVE-2026-100241
- UNSCOREDCVE-2026-100244
- MEDIUMCVE-2026-100286
- UNSCOREDCVE-2026-100377
- UNSCOREDCVE-2026-100379PoC
- MEDIUMCVE-2026-100418PoC
- MEDIUMCVE-2026-100528PoC
- HIGHCVE-2026-100543PoC
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