Kestra OSS OS Command Injection Vulnerability
CVE-2026-49869 Exploited
Kestra OSS contains an OS command injection vulnerability that could allow an unauthenticated remote attacker to create and execute arbitrary workflows without credentials.
Being exploited in the wild
Catalogued 2 September 2026 · US federal remediation deadline 5 September 2026
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…
Exploit code is also public: Public PoC
- Public PoCEQSTLab/CVE-2026-498694 stars
- Public PoCAp0dexMe0/CVE-2026-498693 stars
Assessment
- CVSS
- Not yet scored
- Severity
- Unscored
- Known exploited
- Yes — listed in the CISA KEV catalog
- Exploit availability
- CISA KEV, Public PoC
- Published
- 2 September 2026
- Last updated
- 2 September 2026
- Affected
- Kestra · Kestra OSS
- Weakness
- CWE-184, CWE-287, CWE-78, CWE-918
At the source
References
Query this programmatically
Agents can read this through the MCP endpoint, or over HTTP:
curl https://cve.zerocrew.in/api/cve/CVE-2026-49869