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CVE-2026-96658 is a Safemode sandbox bypass in Foreman's templating engine. Improper handling of delegated methods allows an authenticated attacker with low-level permissions to append unauthorized functions to the allowed execution list. This defeats the sandbox's execution restrictions and enables arbitrary command execution on the Foreman hosting server.
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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.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
13 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A separate Foreman Safemode bypass vulnerability that can lead to remote code execution. It is included in the Satellite 6.16 security advisory and is highlighted as a related issue requiring coordinated patching alongside CVE-2026-96659.
An authenticated low-privilege remote-code-execution vulnerability in Foreman's templating-engine safemode sandbox. Improper handling of delegated methods lets an attacker add unauthorized functions to the permitted execution list and execute arbitrary commands on the Foreman host.
A critical authenticated remote-code-execution vulnerability in Foreman's templating-engine safemode sandbox. A low-privileged user can abuse improperly handled delegated methods to add unauthorized functions to the permitted execution list and execute arbitrary commands on the Foreman host.
Safemode bypass in Foreman that leads to remote code execution. Addressed by the Satellite 6.18.10 security update in RHSA-2026:74504.
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.