Kestra OSS OS Command Injection Vulnerability

Kestra Kestra OSS

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 CISA KEV on 2026-09-02 (federal deadline 2026-09-05).

First seen: 2 Sept 2026
Last update: 2 Sept 2026, 12:00 UTC
Identifiers: CVE-2026-49869
Source: CISA KEV

Check this repository for exposure to one security incident from pwned.coffee. Report first, change nothing until I say so.

## Kestra OSS OS Command Injection Vulnerability
Severity: high, exploited in the wild. Patch status: patched.
Affected: Kestra Kestra OSS
Ids: CVE-2026-49869

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 CISA KEV on 2026-09-02 (federal deadline 2026-09-05).

## Steps
1. Search the repo, its CI and infra config for Kestra Kestra OSS. If present, report the version in use and whether it's affected.

## Report
A table: file, product or package, version in use, affected yes/no, exact fix. Then anything a human has to check outside the repo.

If you have the pwned.coffee MCP server (https://pwned.coffee/mcp), call lookup_cve("CVE-2026-49869") for the latest, and check_repo with this repo's lockfiles, Dockerfiles and workflows for a full receipt.
Sources: https://nvd.nist.gov/vuln/detail/CVE-2026-49869
https://pwned.coffee/i/kestra-oss-os-command-injection-vulnerability-cve-2026-49869

Sources

NVD: CVE-2026-49869

Totalone hot coffee