CVE-2026-6600

LOW

langflow-ai langflow Frontend React Component Rendering edit-message.tsx cross site scripting

Title source: cna

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.

References (4)

Core 4

Core References

Vdb Entry vdb-entry

VDB-358235 | langflow-ai langflow Frontend React Component Rendering edit-message.tsx cross site scripting

https://vuldb.com/vuln/358235

Signature, Permissions Required signature permissions-required

VDB-358235 | CTI Indicators (IOB, IOC, TTP, IOA)

https://vuldb.com/vuln/358235/cti

Third Party Advisory third-party-advisory

Submit #791923 | Langflow <= 1.8.3 Stored Cross-Site Scripting

https://vuldb.com/submit/791923

Exploit exploit

https://gist.github.com/chenhouser2025/935aa5d4556264ba408059eec0960b1a

Scores

CVSS v3 3.5

EPSS 0.0019

EPSS Percentile 9.3%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-79 CWE-94

Status published

Products (4)

langflow-ai/langflow 1.8.0

langflow-ai/langflow 1.8.1

langflow-ai/langflow 1.8.2

langflow-ai/langflow 1.8.3

Published Apr 20, 2026

Tracked Since Apr 20, 2026