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CVE-2026-49869· kestra / kestra oss· CWE-78, CWE-184, CWE-287, CWE-918

Kestra OSS OS Command Injection Vulnerability

Exploited in the wild. Listed by CISA on 2026-09-02; known to be used by ransomware.

2.1%likelihood of exploitation, next 30 days
82%of all CVEs are less likely
Nonecheck to confirm it

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

No ready check is stored for this CVE. Confirm it by hand from the references.

References

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