gcdRadar
archive/Patch now/AIR-2026-1649
closedclosed 29 Oct 2026Patch now2 Disclosed vulnerabilityAI

CVE-2026-104308: IBM Langflow OSS Command Injection Vulnerability

IBM Langflow OSS

IBM Langflow OSS versions 1.0.0 through 1.12.3 allow remote authenticated attackers to cause a denial of service via improper neutralization of OS command special elements. The vulnerability has a medium CVSS base score of 4.3.

why this severityDisclosed vulnerability with no confirmed exploitation

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
4.3
EPSS
<0.01 · top 73% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
affected
IBM Langflow OSS 1.0.0 to 1.12.3
first report
29 Oct 2026
last update
29 Oct 2026
CVE ids
CVE-2026-104308other records

Timeline · 1

  1. 29 Oct 2026CVE-2026-104308: IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote authenticated attacker to cause a denial of service due to improper…

Sources · 1

Advisories and databases

  1. 2026-10-29
    CVE-2026-104308: IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote authenticated attacker to cause a denial of service due to improper…
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-104308

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
denial-of-service
dates
happened 29 Oct 2026 · first reported 29 Oct 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 0.90 · created 2026-10-29 19:37Z · updated 2026-10-29 19:37Z

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

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# CVE-2026-104308: IBM Langflow OSS Command Injection Vulnerability

https://gcdradar.vercel.app/incidents/cve-2026-104308-ibm-langflow-oss-command-injection-vulnerabi · AIR-2026-1649 · closed 2026-10-29

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability): Disclosed vulnerability with no confirmed exploitation
- Fix status: Fix status unknown
- First reported: 2026-10-29
- AI role: Attack on AI
- Products: IBM Langflow OSS
- CVE ids: CVE-2026-104308
- CVSS: 4.3

## Summary

IBM Langflow OSS versions 1.0.0 through 1.12.3 allow remote authenticated attackers to cause a denial of service via improper neutralization of OS command special elements. The vulnerability has a medium CVSS base score of 4.3.

## What to do

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

## Affected and fixed versions

- Affected: IBM Langflow OSS 1.0.0 to 1.12.3

## Latest updates

- 2026-10-29: CVE-2026-104308: IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote authenticated attacker to cause a denial of service due to improper… (https://nvd.nist.gov/vuln/detail/CVE-2026-104308)

## Sources

- 2026-10-29 NVD: CVE-2026-104308: IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote authenticated attacker to cause a denial of service due to improper… https://nvd.nist.gov/vuln/detail/CVE-2026-104308

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

Related

  1. closed8.1
    Langflow CVE-2026-97677: IBM Langflow OSS Arbitrary File Read and Write

    Patch now · Disclosed · since 8 Nov 2026 · CVE-2026-97677

    AI
  2. closed9.8
    Langflow CVE-2026-93680: IBM Langflow OSS Authentication Bypass Vulnerability

    Patch now · Disclosed · Patched · since 29 Oct 2026 · updated 2 Nov 2026 · CVE-2026-93680

    AI
  3. closed9.8
    Langflow CVE-2026-110186: IBM Langflow OSS Code Generation Vulnerability

    Patch now · Disclosed · since 29 Oct 2026 · CVE-2026-110186

    AI
  4. closed9.9
    Langflow CVE-2026-107327: IBM Langflow OSS Remote Code Execution Vulnerability

    Patch now · Disclosed · since 29 Oct 2026 · CVE-2026-107327

    AI
  5. closed9.9
    Langflow CVE-2026-107329: IBM Langflow OSS remote code execution vulnerability

    Patch now · Disclosed · since 29 Oct 2026 · CVE-2026-107329

    AI
  6. closed9.9
    Langflow CVE-2026-107328: IBM Langflow OSS remote code execution vulnerability

    Patch now · Disclosed · since 29 Oct 2026 · CVE-2026-107328

    AI