CVE-2026-44723: Vowpal Wabbit is a machine learning system
CVE-2026-44723 is a medium-severity flaw (CVSS 5.0) affecting vowpal wabbit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Vowpal Wabbit is a machine learning system. The workflow .github/workflows/python_checks.yml embeds ${{ github.event.pull_request.title }} directly inside double-quoted bash strings in four separate steps across four jobs, each passing it as a CLI argument to the Python test script run_tests_model_gen_and_load.py. The shell interprets the expanded string before invoking Python, allowing an attacker to break out of the quotes and execute arbitrary
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-44723?
vowpal wabbit: upgrade to 2026-05-04. Exact commands for each OS are on this page.
Is CVE-2026-44723 being exploited?
CVE-2026-44723 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-44723 affect?
CVE-2026-44723 affects vowpal wabbit. Severity is medium (CVSS 5.0). Vowpal Wabbit is a machine learning system. The workflow .github/workflows/python_checks.yml embeds ${{ github.event.pull_request.title }} directly inside double-quoted bash strings in four separate steps across four jobs, each passing it a
How urgent is CVE-2026-44723?
Priority 33/100. Public exploit reference
Software pages
Python vulnerabilities · GitHub vulnerabilities