CVE-2026-100640: siyuan
- Severity
- 8.6 (HIGH)
- Vendor
- SIYUAN-NOTE
- Affected versions
- 0 through before 3.8.4
- Fixed version
- 3.8.4
- Patch status
- Patched
- Published
- 2026-09-26T14:16:45.820
- Modified
- 2026-09-26T14:16:46.020
Why it matters
High-severity vulnerability requiring prioritized review.
Recommended admin actions
- Review and patch based on exposure, asset criticality, and business impact.
- Compare installed versions against the affected version range in the advisory.
- Treat internet-facing systems as higher priority.
Technical summary
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.
View the official NVD record for CVE-2026-100640
CVE data is sourced from NVD/CNA records and optional enrichment. Validate against the vendor advisory before taking production action.
VULNERABILITY PULSE
416 RECORDS
SECURE FEED ACTIVE
| AFFECTED PRODUCT | ACTION | ||
|---|---|---|---|
| CVE-2026-100382 |
Mediawiki – ExternalData Extension PATCH
Reporter: C4F26CC8-17FF-4C99-B5E2-38FC1793EACC
|
10
CRITICAL
|
VIEW RECORD |
| CVE-2026-97163 |
UP plugin for Joomla
Reporter: SECURITY
|
10
CRITICAL
|
VIEW RECORD |
| CVE-2026-92161 |
oauth PATCH
Reporter: SECURITY-ADVISORIES
|
9.8
CRITICAL
|
VIEW RECORD |
| CVE-2026-18143 |
Request a Quote for WooCommerce
Reporter: SECURITY
|
9.8
CRITICAL
|
VIEW RECORD |
| CVE-2026-94132 |
AcyMailing Enterprise extension for Joomla PATCH
Reporter: SECURITY
|
9.5
CRITICAL
|
VIEW RECORD |
| CVE-2026-48482 |
glpi PATCH
Reporter: SECURITY-ADVISORIES
|
9.4
CRITICAL
|
VIEW RECORD |
| CVE-2026-100706 |
kyverno PATCH
Reporter: DISCLOSURE
|
9.4
CRITICAL
|
VIEW RECORD |
| CVE-2026-100714 |
froxlor PATCH
Reporter: DISCLOSURE
|
9.4
CRITICAL
|
VIEW RECORD |
| CVE-2026-100716 |
froxlor PATCH
Reporter: DISCLOSURE
|
9.4
CRITICAL
|
VIEW RECORD |
| CVE-2026-97160 |
UP plugin for Joomla
Reporter: SECURITY
|
9.4
CRITICAL
|
VIEW RECORD |
| CVE-2026-97063 |
X-SpringBoot
Reporter: DISCLOSURE
|
9.3
CRITICAL
|
VIEW RECORD |
| CVE-2026-97064 |
X-SpringBoot
Reporter: DISCLOSURE
|
9.3
CRITICAL
|
VIEW RECORD |
| CVE-2026-100720 |
froxlor PATCH
Reporter: DISCLOSURE
|
9.3
CRITICAL
|
VIEW RECORD |
| CVE-2026-94130 |
YouTube Gallery extension for Joomla
Reporter: SECURITY
|
9.3
CRITICAL
|
VIEW RECORD |
| CVE-2026-100389 |
GestSup PATCH
Reporter: DISCLOSURE
|
9.2
CRITICAL
|
VIEW RECORD |
| CVE-2026-100606 |
Flowise
Reporter: DISCLOSURE
|
9.2
CRITICAL
|
VIEW RECORD |
| CVE-2026-100607 |
Flowise
Reporter: DISCLOSURE
|
9.2
CRITICAL
|
VIEW RECORD |
| CVE-2026-100684 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
9.2
CRITICAL
|
VIEW RECORD |
| CVE-2026-97161 |
UP plugin for Joomla
Reporter: SECURITY
|
9.2
CRITICAL
|
VIEW RECORD |
| CVE-2026-39353 |
InvoicePlane PATCH
Reporter: SECURITY-ADVISORIES
|
9.1
CRITICAL
|
VIEW RECORD |
| CVE-2026-42322 |
Piwigo PATCH
Reporter: SECURITY-ADVISORIES
|
9.1
CRITICAL
|
VIEW RECORD |
| CVE-2026-62262 |
Piwigo
Reporter: SECURITY-ADVISORIES
|
9.1
CRITICAL
|
VIEW RECORD |
| CVE-2026-84458 |
zammad PATCH
Reporter: SECURITY-ADVISORIES
|
9.1
CRITICAL
|
VIEW RECORD |
| CVE-2026-100390 |
Product identification pending
Reporter: DISCLOSURE
|
9.1
CRITICAL
|
VIEW RECORD |
| CVE-2026-100551 |
OpenClaw PATCH
Reporter: DISCLOSURE
|
9
CRITICAL
|
VIEW RECORD |
| CVE-2026-100567 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.9
HIGH
|
VIEW RECORD |
| CVE-2026-100683 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.9
HIGH
|
VIEW RECORD |
| CVE-2026-94445 |
Product identification pending
Reporter: SECURITY
|
8.8
HIGH
|
VIEW RECORD |
| CVE-2026-61525 |
zammad PATCH
Reporter: SECURITY-ADVISORIES
|
8.8
HIGH
|
VIEW RECORD |
| CVE-2026-100391 |
Product identification pending
Reporter: DISCLOSURE
|
8.8
HIGH
|
VIEW RECORD |
| CVE-2026-96795 |
Product identification pending PATCH
Reporter: SECURITY-ADVISORIES
|
8.8
HIGH
|
VIEW RECORD |
| CVE-2026-100597 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.8
HIGH
|
VIEW RECORD |
| CVE-2026-100676 |
stoatchat PATCH
Reporter: DISCLOSURE
|
8.8
HIGH
|
VIEW RECORD |
| CVE-2026-89032 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-56725 |
Product identification pending PATCH
Reporter: SECURITY-ADVISORIES
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-56733 |
Product identification pending PATCH
Reporter: SECURITY-ADVISORIES
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100520 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100544 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100552 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100557 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100558 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100568 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100575 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100580 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100586 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100587 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100588 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100589 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100596 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100599 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100603 |
clawhub PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100608 |
Product identification pending
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100614 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100615 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100617 |
capgo.app
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100618 |
capgo.app
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100619 |
capgo.app
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100622 |
Product identification pending
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100623 |
capgo.app
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100625 |
capgo.app
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100628 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100631 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100644 |
siyuan PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100656 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100657 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100660 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100661 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100662 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100663 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100664 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100665 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100669 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100670 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100672 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100682 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100689 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100690 |
hugo PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100692 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100700 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-100711 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-84462 |
Product identification pending PATCH
Reporter: SECURITY-ADVISORIES
|
8.6
HIGH
|
VIEW RECORD |
| CVE-2026-97060 |
X-SpringBoot
Reporter: DISCLOSURE
|
8.6
HIGH
|
VIEW RECORD |
| CVE-2026-100372 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.6
HIGH
|
VIEW RECORD |
| CVE-2026-100559 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.6
HIGH
|
VIEW RECORD |
| CVE-2026-100561 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.6
HIGH
|
VIEW RECORD |
| CVE-2026-100585 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.6
HIGH
|
VIEW RECORD |
| CVE-2026-100612 |
capgo.app
Reporter: DISCLOSURE
|
8.6
HIGH
|
VIEW RECORD |
| CVE-2026-100639 |
siyuan PATCH
Reporter: DISCLOSURE
|
8.6
HIGH
|
VIEW RECORD |
| CVE-2026-100640 |
siyuan PATCH
Reporter: DISCLOSURE
|
8.6
HIGH
|
VIEW RECORD |
| CVE-2026-100641 |
siyuan PATCH
Reporter: DISCLOSURE
|
8.6
HIGH
|
VIEW RECORD |
| CVE-2026-100645 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.6
HIGH
|
VIEW RECORD |
| CVE-2026-100646 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.6
HIGH
|
VIEW RECORD |
| CVE-2026-100671 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.6
HIGH
|
VIEW RECORD |
| CVE-2026-100680 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.6
HIGH
|
VIEW RECORD |
| CVE-2026-100686 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.6
HIGH
|
VIEW RECORD |
| CVE-2026-100693 |
hugo PATCH
Reporter: DISCLOSURE
|
8.6
HIGH
|
VIEW RECORD |
| CVE-2026-47679 |
Product identification pending PATCH
Reporter: SECURITY-ADVISORIES
|
8.5
HIGH
|
VIEW RECORD |
| CVE-2026-55214 |
Product identification pending PATCH
Reporter: SECURITY-ADVISORIES
|
8.5
HIGH
|
VIEW RECORD |
| CVE-2026-71483 |
Product identification pending PATCH
Reporter: SECURITY-ADVISORIES
|
8.5
HIGH
|
VIEW RECORD |
| CVE-2026-100530 |
Product identification pending PATCH
Reporter: DISCLOSURE
|
8.5
HIGH
|
VIEW RECORD |
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