CVE-2026-33017CRITICAL 9.8CISA KEVEPSS p99.9%

CVE-2026-33017Langflow Code Injection Vulnerability

Langflow / Langflow

Description

Langflow contains a code injection vulnerability that could allow building public flows without requiring authentication.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS98.41% probability of exploitation · percentile 99.9% · 2026-06-15T12:03:41Z
Published2026-03-20
Last modified2026-05-22

CISA KEV entry

Added to KEV: 2026-03-25

Underlying weaknesses· 3

CWE-94CWE-95CWE-306

References

  1. https://github.com/advisories/GHSA-rvqx-wpfh-mfx7
  2. https://github.com/langflow-ai/langflow/commit/73b6612e3ef25fdae0a752d75b0fabd47328d4f0
  3. https://github.com/langflow-ai/langflow/security/advisories/GHSA-vwmf-pq79-vjvx
  4. https://github.com/langflow-ai/langflow/releases/tag/1.8.2
  5. https://medium.com/@aviral23/cve-2026-33017-how-i-found-an-unauthenticated-rce-in-langflow-by-reading-the-code-they-already-dc96cdce5896
  6. https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-33017
  7. https://www.sysdig.com/blog/cve-2026-33017-how-attackers-compromised-langflow-ai-pipelines-in-20-hours

3

TypeTargetConfidenceTier
WeaknessMissing Authentication for Critical Functioncwe-3060%live
WeaknessImproper Control of Generation of Code ('Code Injection')cwe-940%live
WeaknessImproper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')cwe-950%live

(incoming)1

TypeTargetConfidenceTier
KEVEntryLangflow Code Injection Vulnerabilitykev-cve-2026-330170%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
Langflow Missing Authentication Vulnerability
CVE
CVE-2026-0768
CVE
CVE-2026-21445
CVE
CVE-2026-0769
CVE
CVE-2026-34046
CVE
Langflow Origin Validation Error Vulnerability
Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.