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CVE-2026-12542 is an OS command injection vulnerability in Foreman's foreman-tail utility. The utility incorporates user-supplied arguments into a string executed by eval to expand file paths without adequately sanitizing or quoting the input. A local attacker can supply shell metacharacters to inject and execute arbitrary system commands.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Command injection vulnerability in Foreman's foreman-tail utility. Addressed by the Foreman update included in RHSA-2026:74504.
A command-injection vulnerability affects the foreman-tail utility. Red Hat includes a fix in the Satellite 6.17.12 update.
A command injection vulnerability affects the foreman-tail utility. Updated Foreman packages are included in the advisory.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.