CVE-2026-28279: osctrl is an osquery management solution

Q: How do I fix CVE-2026-28279?

osctrl: upgrade to 0.5.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-28279 being exploited?

CVE-2026-28279 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-28279 affect?

CVE-2026-28279 affects osctrl. Severity is high (CVSS 7.3). osctrl is an osquery management solution. Prior to version 0.5.0, an OS command injection vulnerability exists in the `osctrl-admin` environment configuration. An authenticated administrator can inject arbitrary shell commands via the hostn

This month

HIGH 7.3UPGRADE

CVE-2026-28279 is a high-severity flaw (CVSS 7.3) affecting osctrl. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

osctrl is an osquery management solution. Prior to version 0.5.0, an OS command injection vulnerability exists in the `osctrl-admin` environment configuration. An authenticated administrator can inject arbitrary shell commands via the hostname parameter when creating or editing environments. These commands are embedded into enrollment one-liner scripts generated using Go's `text/template` package (which does not perform shell escaping) and execut

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.3 (High)
Attack vector	Adjacent network
Attack complexity	High
Privileges needed	High
User interaction	Required
EPSS exploit chance	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-78
Published	2026-02-26
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: jmpsec

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-02-26 23:16 UTCPublished CVE record published
2026-06-17 10:28 UTCUpdated Record last modified

jmpsec osctrl UPGRADE

Affected: < 0.5.0

Fixed in: 0.5.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy osctrl || rpm -q osctrl || osctrl --version

2. UPGRADE to 0.5.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade osctrl

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade osctrl

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
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-2026-28279?

osctrl: upgrade to 0.5.0. Exact commands for each OS are on this page.

Is CVE-2026-28279 being exploited?

CVE-2026-28279 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-2026-28279 affect?

CVE-2026-28279 affects osctrl. Severity is high (CVSS 7.3). osctrl is an osquery management solution. Prior to version 0.5.0, an OS command injection vulnerability exists in the `osctrl-admin` environment configuration. An authenticated administrator can inject arbitrary shell commands via the hostn

How urgent is CVE-2026-28279?

Priority 41/100. High severity

Related CVEs

CVE-2026-28280 MEDIUM 6.1 UPGRADE osctrl is an osquery management solution

References

← Back to latest CVEs