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archive/Patch now/AIR-2026-1340
closedclosed 4 Sep 2026Patch now2 Disclosed vulnerabilityAI

CVE-2026-19300 in IBM Langflow OSS exposes sensitive credentials via incomplete scrubbing

IBM Langflow OSS

IBM Langflow OSS versions 1.0.0 through 1.11.2 suffer from incomplete scrubbing of sensitive credential fields, enabling remote attackers to obtain sensitive information. No active exploitation has been reported.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

CVSS
7.5
EPSS
0.01 · top 56% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
4 Sep 2026
last update
4 Sep 2026
CVE ids
CVE-2026-19300other records

Timeline · 1

  1. 4 Sep 2026CVE-2026-19300: IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote attacker to obtain sensitive information due to incomplete scrubbing…

Sources · 1

Advisories and databases

  1. 2026-09-04
    CVE-2026-19300: IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote attacker to obtain sensitive information due to incomplete scrubbing…
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-19300

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Classification

lane
Patch now
AI role
Attack on AI
categories
Infrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
tags
credentialexposure
dates
happened 4 Sep 2026 · first reported 4 Sep 2026
origin
NVD
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
record
confidence 0.95 · created 2026-10-18 10:04Z · updated 2026-10-18 10:04Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

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the brief as text
# CVE-2026-19300 in IBM Langflow OSS exposes sensitive credentials via incomplete scrubbing

https://gcdradar.vercel.app/incidents/cve-2026-19300-in-ibm-langflow-oss-exposes-sensitive-credent · AIR-2026-1340 · closed 2026-09-04

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-09-04
- AI role: Attack on AI
- Products: IBM Langflow OSS
- CVE ids: CVE-2026-19300
- CVSS: 7.5

## Summary

IBM Langflow OSS versions 1.0.0 through 1.11.2 suffer from incomplete scrubbing of sensitive credential fields, enabling remote attackers to obtain sensitive information. No active exploitation has been reported.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-09-04: CVE-2026-19300: IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote attacker to obtain sensitive information due to incomplete scrubbing… (https://nvd.nist.gov/vuln/detail/CVE-2026-19300)

## Sources

- 2026-09-04 NVD: CVE-2026-19300: IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote attacker to obtain sensitive information due to incomplete scrubbing… https://nvd.nist.gov/vuln/detail/CVE-2026-19300

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

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