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CVE-2026-12542

Redhat Satellite: OS command injection

Risk score
56/100
CVSS
7.8 v3.1
Exploit chance (30 days)
0.6%
Published
1 Oct 2026

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What to know

What it is
A flaw was found in Foreman. The foreman-tail utility is vulnerable to OS command injection due to the unsafe use of the eval command. The script takes user-supplied arguments and incorporates them directly into a string that is then executed by eval to expand file paths. Because the input is not sanitized or quoted, …
Affected
Redhat Satellite
Fix
Apply the vendor's security update; see the linked advisory.
Exploitation
No known exploitation

Story map

Story map: Redhat SatelliteTHE FLAWSTHE FIXCVE-2026-12542OS command injectionCVSS 7.8 · EPSS 1%CVE-2026-96658Code injection can lead toremote code executionCVSS 8.8 · EPSS 1%CVE-2026-12540OS command injection can leadto remote code executionCVSS 8.2 · EPSS 1%CVE-2026-12541OS command injectionCVSS 8.2 · EPSS 1%FixApply the vendor's securityupdate; see the linked advisory.Who is exposedRedhat SatelliteAMBER · PATCH THIS WEEKRedhat SatelliteA flaw was found in Foreman.This vulnerability allows anauthenticated remote attackerwith low-level read permissionsto achieve arbitrary codeexecution on the underlyingserver. By manipulating the…Where it standsNo known exploitationCONNECTS TOSame weaknessOS command injection (CWE-78)306 other warnings in 30 days →Same productEarlier Redhat Satellite warnings3 in the last 90 days →
Story map: the flaws, the fix, how it unfolded and what it connects to. Boxes link to the record or article.

At a glance

Redhat Satellite: Amber, patch this week. A flaw was found in Foreman. This vulnerability allows an authenticated remote attacker with low-level read permissions to achieve arbitrary code execution on the underlying server. By manipulating the permitted methods list within the template rendering engine, an attacker can bypass the safemode sandbox isolation an…

The flaws

  • CVE-2026-12542: OS command injection (CVSS 7.8 · EPSS 1%)
  • CVE-2026-96658: Code injection can lead to remote code execution (CVSS 8.8 · EPSS 1%)
  • CVE-2026-12540: OS command injection can lead to remote code execution (CVSS 8.2 · EPSS 1%)
  • CVE-2026-12541: OS command injection (CVSS 8.2 · EPSS 1%)

The fix

Fix: Apply the vendor's security update; see the linked advisory.

Who is exposed: Redhat Satellite

Where it stands

  • No known exploitation

Connects to

Why it is Yellow

  • CVSS 7.8 high

References

Original description

A flaw was found in Foreman. The foreman-tail utility is vulnerable to OS command injection due to the unsafe use of the eval command. The script takes user-supplied arguments and incorporates them directly into a string that is then executed by eval to expand file paths. Because the input is not sanitized or quoted, a local attacker can inject shell metacharacters (e.g., ;, &, |) to execute arbitrary system commands.

Last activity 1 Oct 2026. Patch Forecast updates every hour.