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Advisory record · GHSA-v798-mcc6-2m3m

Langflow: Code Injection Vulnerability in Code Validation Endpoint

CVSS 9.9 CriticalCriticalEPSS 0.069 · 94th percentile

Critical, because:

  • CVSS score 9.9: 9.0 or more.

How we decide what’s critical

Published by the GitHub Advisory Database at 30 Jun 2026, 21:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
langflowPyPI>=1.0.0, <1.10.1.rc01.10.1.rc0
Identifiers
GHSA-v798-mcc6-2m3m · CVE-2026-7873
Weakness (CWE)
CWE-94
Tags
Published
30 Jun 2026
Updated
23 Oct 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Langflow versions 1.0.0 through 1.10.0 are vulnerable to code injection in the code validation endpoint. An authenticated attacker can run arbitrary operating system commands and read sensitive files, including credentials. Upgrade langflow to 1.10.1.rc0 or later.

Written 1 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
9.9 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CNA (ibm)
  • CISA KEV Not listed.
  • EPSS 0.069, the 94th percentile, on 13 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:08 UTC First seen by agentprime
  2. 31 Oct 2026, 14:08 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.