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VulnerabilityPublished Updated

CVE-2026-12405: Red Hat Satellite 6.16 for RHEL 8 · OS Command Injection

Affects Red Hat Satellite 6.16 for RHEL 8Source CVE Database V5

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Not known to be exploited · CVSS 8.8 High.

Data as of 14 Nov 2026, 20:44 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (redhat)CVSS 3.18.8
EPSS
1.5% chance of exploitation in 30 days – higher than 75% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CISA SSVC
Exploitation
No evidence of active exploitation and no public proof of concept
Automatable
Attackers cannot reliably automate steps 1–4 of the kill chain
Technical impact
Total control over the software or total information disclosure

CISA SSVC assessment, 2026-10-01.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 1 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 14 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Red Hat Satellite 6.16 for RHEL 8rubygem-foreman_remote_executionAffected–Fixed in–
Red Hat Satellite 6.16 for RHEL 9rubygem-foreman_remote_executionAffected–Fixed in–
Red Hat Satellite 6.17 for RHEL 9rubygem-foreman_remote_executionAffected–Fixed in–
Red Hat Satellite 6.18 for RHEL 9rubygem-foreman_remote_executionAffected–Fixed in–
Red Hat Satellite 6.19 for RHEL 9rubygem-foreman_remote_executionAffected–Fixed in–
Red Hat Satellite 6satellite:el8/rubygem-foreman_remote_executionAffected–Fixed in–

AI-suggested

Red Hat has released an official security update fixing this vulnerability as detailed in advisory RHSA-2026:74503. Users of Red Hat Satellite 6.16 for RHEL 8 should apply the updated rubygem-foreman_remote_execution package provided by Red Hat to remediate this issue. No additional mitigations are specified or required beyond applying the official patch.

Description

CVE-2026-12405 is a command injection vulnerability in Red Hat Satellite 6.16 for RHEL 8, specifically in the rubygem-foreman_remote_execution component. The flaw occurs when the effective_user property in a job template is marked as overridable, allowing an attacker with job template execution permissions to inject arbitrary shell commands via the effective_user parameter in the API. These commands execute with the privileges of the execution user on the target infrastructure. A security update addressing this issue is available from Red Hat.

References

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