CVE-2026-49869

CRITICALCVSS 10.0Known Exploited

CISA Known Exploited Vulnerability

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

Remediation deadline: September 5, 2026

Description

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

Timeline

Published:June 26th, 2026 10:16 PM

Last modified:September 3rd, 2026 1:05 PM

Added to KEV:September 2nd, 2026

CVSS Scoring

CVSS v3: 10.0 (CRITICAL)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected Software

From NVD CPE configuration data

Vendors

kestra

Products

kestra

Weaknesses (CWE)

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

References & Reports

Advisories, patches, and third-party reports

Source: NIST NVD · Data may lag official sources by up to one minute