HIGHCVSS v3.1 8.5Vulnerability

CVE-2026-119978

Flowise through 3.1.4 contains a sandbox escape vulnerability that allows authenticated users to execute OS commands by abusing allowlisted langchain and mammoth modules when ALLOW_BUILTIN_DEP=true. Attackers can submit JavaScript to /api/v1/node-custom-function that writes a file into the mammoth package via LocalFileStore and requires it, escaping vm2 as the Flowise process user.

Properties

Cvss score
8.5
First seen
2026-10-30T18:32:45+00:00
Last seen
2026-10-30T18:32:45+00:00
Euvd assigner
VulnCheck
Retrieved at
2026-10-30T20:09:45+00:00
Src batch id
euvd-20261030T193401Z-78899a
Source url
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-114243
Score
8.5
Euvd base score version
4.0
Fetched at
2026-10-30T19:34:20+00:00
Euvd vendor
FlowiseAI
Cvss vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
First seen by Signal
2026-10-30T19:34:21+00:00
Euvd base score
9
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Content hash
94691b044c0a485e8b7585632dcf136d9b493c5fe0f7ec566127ba896616af7b
Published at
2026-10-30T18:17:27.577
Last modified
2026-10-30T18:17:27.710
Euvd updated
2026-10-30T18:32:45+00:00
Euvd epss pct
0

Related Entities (1)

HAS_WEAKNESS (1)

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CVE-2026-119978 (CVSS v3.1 8.5) — Ninja Signal Threat Intelligence | Ninja Signal