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
Not known to be exploited · CVSS 8.8 High.
Data as of 14 Nov 2026, 20:44 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 8.8 |
|---|
- 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:HExploitation evidence
Disclosed: evidence found.
CVE published 1 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| Red Hat Satellite 6.16 for RHEL 8rubygem-foreman_remote_execution | Affected– | Fixed in– |
| Red Hat Satellite 6.16 for RHEL 9rubygem-foreman_remote_execution | Affected– | Fixed in– |
| Red Hat Satellite 6.17 for RHEL 9rubygem-foreman_remote_execution | Affected– | Fixed in– |
| Red Hat Satellite 6.18 for RHEL 9rubygem-foreman_remote_execution | Affected– | Fixed in– |
| Red Hat Satellite 6.19 for RHEL 9rubygem-foreman_remote_execution | Affected– | Fixed in– |
| Red Hat Satellite 6satellite:el8/rubygem-foreman_remote_execution | Affected– | 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
- access.redhat.com/errata/RHSA-2026:74503 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:74504 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:74505 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:74506 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-12405 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2488952 (opens in a new tab)
- openwall.com/lists/oss-security/2026/10/07/11 (opens in a new tab)