Low severity · published Apr 20, 2026
CVE-2026-6600
langflow-ai langflow Frontend React Component Rendering edit-message.tsx cross site scripting
3.5
CVSS
0.2%
EPSS
No
On KEV
Description
A flaw has been found in langflow-ai langflow up to 1.8.3. This affects an unknown function of the file src/frontend/src/modals/IOModal/components/chatView/chatMessage/components/edit-message.tsx of the component Frontend React Component Rendering. Executing a manipulation can lead to cross site scripting. The attack may be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LA
langflow · langflow-ai
1.8.0; 1.8.1; 1.8.2; 1.8.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-6600
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-6600
gist.github.com
https://gist.github.com/chenhouser2025/935aa5d4556264ba408059eec0960b1a
vuldb.com
https://vuldb.com/submit/791923
vuldb.com
https://vuldb.com/vuln/358235
vuldb.com
https://vuldb.com/vuln/358235/cti
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