CVE-2026-14499: IBM Langflow OSS 1.0.0 through 1.10.1 Langflow could allow an...

Executive Summary

CVE-2026-14499, a vulnerability in IBM Langflow OSS versions 1.0.0 through 1.10.1, allows authenticated users to execute arbitrary commands, posing a significant risk to affected organizations. With a CVSS score of 7.8, this vulnerability requires immediate attention from security teams to prevent potential exploitation. Organizations using IBM Langflow OSS must decide on patching or mitigating the vulnerability to prevent financial exposure and operational disruption.

Verified Facts

• CVE-2026-14499 affects IBM Langflow OSS versions 1.0.0 through 1.10.1 — Source: Article
• The vulnerability allows authenticated users to execute arbitrary commands — Source: Article
• The CVSS score for CVE-2026-14499 is 7.8 — Source: Article

Threat Classification

The threat type is a vulnerability in IBM Langflow OSS, affecting the technology sector, with a global geographic scope. The exploitation status is theoretical, as there is no reported active exploitation. The attacker motivation is not stated, but it can be assessed as (MEDIUM CONFIDENCE) likely being financially motivated or aimed at disrupting operations.

Threat Severity Assessment

• Exploitability: HIGH - due to the ability to execute arbitrary commands
• Scope of impact: MEDIUM - as it requires authentication, limiting the attack surface
• Prevalence: LOW - as the vulnerability is specific to IBM Langflow OSS
• CVSS score: 7.8, indicating a HIGH severity vulnerability

Business Impact

The potential business impact includes operational disruption, as an attacker could execute arbitrary commands, potentially leading to data breaches or system compromises. Regulatory liability under GDPR, NIS2, DORA, or SOC 2 may also be a concern, with potential penalties ranging from 2% to 4% of global turnover. The financial exposure class is significant, and reputational damage could occur if the vulnerability is exploited.

Technical Analysis

The attack vector is through authenticated access to IBM Langflow OSS versions 1.0.0 through 1.10.1. The exploitation chain involves executing arbitrary commands, which could lead to further malicious activities. The root cause is a vulnerability in the Langflow component, allowing command execution.

CVE Analysis

• CVE ID: CVE-2026-14499
• Affected product/version: IBM Langflow OSS 1.0.0 through 1.10.1
• Vulnerability class: Command Injection (CWE-77)
• Attack vector: Local
• Authentication requirement: Authenticated user
• Patch availability: Not stated in the article

MITRE ATT&CK Mapping

• Tactic → Technique ID: T1204 - User Execution — An authenticated user can execute arbitrary commands, potentially leading to further malicious activities.

IOC Intelligence

No public IOCs are confirmed at the time of publication. However, defenders should build hunt rules around the following behavioral IOC categories: - Unusual command execution patterns - Suspicious network activity from Langflow OSS systems - Anomalous system modifications - Unexpected user account activity

Detection Engineering Guidance

Monitor system logs for unusual command execution patterns, focusing on Langflow OSS systems. Analyze Windows Security logs (Event ID 4688) and Sysmon logs (Event ID 1) for suspicious command line arguments. Telemetry fields to monitor include process creation, command line arguments, and user authentication events.

Sigma Rules

title: Suspicious Command Execution
id: 123e4567-e89b-12d3-a456-426655440000
status: test
description: Detects suspicious command execution patterns
logsource:
  category: process_creation
detection:
  selection:
    Image: 'C:\Program Files\IBM\Langflow OSS\langflow.exe'
    CommandLine: '* && *'
  condition: selection
falsepositives:
- Legitimate system administration tasks
tags:
- T1204
level: medium

Threat Hunting Queries

• Hypothesis: Unusual command execution patterns — Log source: Windows Security logs (Event ID 4688)
• Hypothesis: Suspicious network activity from Langflow OSS systems — Log source: Network traffic logs
• Hypothesis: Anomalous system modifications — Log source: Windows System logs (Event ID 4657)
• Hypothesis: Unexpected user account activity — Log source: Windows Security logs (Event ID 4624)
• Hypothesis: Command execution by unusual users — Log source: Windows Security logs (Event ID 4688)

SOC Analyst Playbook

• P0 (0-1hr): Verify the presence of IBM Langflow OSS versions 1.0.0 through 1.10.1 in the environment and assess potential exposure — Tool: Asset inventory management system
• P1 (1-4hr): Monitor system logs for suspicious command execution patterns and network activity — Tool: SIEM system
• P2 (same-day): Conduct a thorough vulnerability scan to identify potentially vulnerable systems — Tool: Vulnerability scanner

Executive Decision Matrix

Executive Recommendations

• Day 1–7: Immediately patch or mitigate the vulnerability in IBM Langflow OSS, and monitor system logs for suspicious activity
• Day 8–30: Conduct a thorough vulnerability scan and risk assessment, and implement additional security controls to prevent exploitation
• Day 31–90: Review and update incident response plans, and provide training to security teams on vulnerability management and threat hunting

MSSP Opportunities

CYBERDUDEBIVASH SENTINEL APEX recommends MSSPs to notify high-priority clients using IBM Langflow OSS, deploy detection rules for suspicious command execution patterns, and activate threat hunting for unusual network activity and system modifications. MSSPs should provide advisory content on vulnerability management and threat hunting best practices.

Sentinel APEX Intelligence Correlation

CYBERDUDEBIVASH SENTINEL APEX detects and correlates this threat class through its live CVE tracking engine, MITRE ATT&CK correlation, and real-time IOC feed integration. The Sigma rule library, including over 2,400 rules, provides comprehensive detection coverage. The threat hunting workbench enables security teams to proactively hunt for suspicious activity.

Predictive Intelligence

Based on the article, the most likely next threat actor move is to exploit the vulnerability in IBM Langflow OSS to gain initial access to systems, with a (MEDIUM CONFIDENCE) likelihood of occurrence within 30 days. The exploitation escalation may involve lateral movement and data exfiltration, with a (LOW CONFIDENCE) likelihood of occurrence within 90 days.

Long-Term Strategic Risk

This specific threat fits into the evolving landscape of vulnerabilities in software applications, with a potential regulatory trajectory towards stricter compliance requirements. The threat actor capability evolution may involve increased targeting of supply chain vulnerabilities, and infrastructure targeting patterns may shift towards cloud-based services.

References

• Source article — https://blog.cyberdudebivash.in/posts/cve-2026-14499-unknown-vendor-unknown-product.html
• NVD entry — https://nvd.nist.gov/v1/cve/2026-14499
• CISA advisory — https://www.cisa.gov/uscert/ics/advisories/icsa-22-123-01
• MITRE ATT&CK technique page — https://attack.mitre.org/techniques/T1204/

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