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archive/Patch now/AIR-2026-1339
closedclosed 4 Sep 2026Patch now2 Disclosed vulnerabilityAI

CVE-2026-19302 in IBM Langflow OSS allows information disclosure via symlink validation

IBM Langflow OSS

IBM Langflow OSS versions 1.0.0 through 1.11.2 contain a vulnerability allowing remote authenticated attackers to obtain sensitive information through improper validation of symbolic links. 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
6.5
EPSS
0.01 · top 49% · 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-2026-19302other records

Timeline · 1

  1. 4 Sep 2026CVE-2026-19302: IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to obtain sensitive information due to improper…

Sources · 1

Advisories and databases

  1. 2026-09-04
    CVE-2026-19302: IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to obtain sensitive information due to improper…
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-19302

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

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
infodiscl
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-2026-19302 in IBM Langflow OSS allows information disclosure via symlink validation

https://gcdradar.vercel.app/incidents/cve-2026-19302-in-ibm-langflow-oss-allows-information-disclo · AIR-2026-1339 · 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-2026-19302
- CVSS: 6.5

## Summary

IBM Langflow OSS versions 1.0.0 through 1.11.2 contain a vulnerability allowing remote authenticated attackers to obtain sensitive information through improper validation of symbolic links. 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-2026-19302: IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to obtain sensitive information due to improper… (https://nvd.nist.gov/vuln/detail/CVE-2026-19302)

## Sources

- 2026-09-04 NVD: CVE-2026-19302: IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to obtain sensitive information due to improper… https://nvd.nist.gov/vuln/detail/CVE-2026-19302

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

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