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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.

PUBLISHED Reserved 2026-04-19 | Published 2026-04-20 | Updated 2026-04-20 | Assigner VulDB




MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
LOW: 3.5CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
LOW: 3.5CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
4.0AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR

Problem types

Cross Site Scripting

Code Injection

Product status

1.8.0
affected

1.8.1
affected

1.8.2
affected

1.8.3
affected

Timeline

2026-04-19:Advisory disclosed
2026-04-19:VulDB entry created
2026-04-19:VulDB entry last update

Credits

Eric-f (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/358235 (VDB-358235 | langflow-ai langflow Frontend React Component Rendering edit-message.tsx cross site scripting) vdb-entry

vuldb.com/vuln/358235/cti (VDB-358235 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/791923 (Submit #791923 | Langflow <= 1.8.3 Stored Cross-Site Scripting) third-party-advisory

gist.github.com/...user2025/935aa5d4556264ba408059eec0960b1a exploit

cve.org (CVE-2026-6600)

nvd.nist.gov (CVE-2026-6600)

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