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CVE-2026-43899: Improper Input Validation

🗓️ 11 May 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 7 Views

RCE in DeepChat prior to v1.0.4-beta.1 via native window handler input bypass.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-43899
11 May 202621:42
–attackerkb
circl
Circl
CVE-2026-43899
12 Sep 202610:00
–circl
cnnvd
CNNVD
DeepChat 输入验证错误漏洞
11 May 202600:00
–cnnvd
cve
CVE
CVE-2026-43899
11 May 202621:42
–cve
cvelist
Cvelist
CVE-2026-43899 DeepChat: Incomplete Fix for CVE-2025-55733 leads to Remote Code Execution via Markdown Links bypassing `isValidExternalUrl`
11 May 202621:42
–cvelist
euvd
EUVD
EUVD-2026-29336
11 May 202621:42
–euvd
mend
Mend
CVE-2026-43899
11 May 202621:42
–mend
nvd
NVD
CVE-2026-43899
11 May 202623:20
–nvd
ptsecurity
Positive Technologies
PT-2026-39859
11 May 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-43899
5 Jun 202619:23
–redhatcve
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12 May 2026 00:00Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.19.6
EPSS0.00559
SSVC
7