Coverage › CVE-2026-49869

CVE-2026-49869 Unmapped

Kestra OSS OS Command Injection Vulnerability

Vendor / product

Kestra — Kestra OSS

Description (CISA)

Kestra OSS contains an OS command injection vulnerability that could allow an unauthenticated remote attacker to create and execute arbitrary workflows without credentials.

Added to KEV

2026-09-02 — after the latest CTID mapping snapshot (2025-07-28)

Due date

2026-09-05

Required action

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Known ransomware use

Unknown

Forensic triage (CISA)

Yes

CWE

CWE-78, CWE-184, CWE-287, CWE-918

CISA notes

This vulnerability affects an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://github.com/kestra-io/kestra/security/advisories/GHSA-5vc5-wxxq-3fjx
BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk
Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk
https://nvd.nist.gov/vuln/detail/CVE-2026-49869

Elsewhere

cve.org · NVD · CISA KEV · JSON

ATT&CK techniques