CVE-2026-96658 — Red Hat Satellite 6.16 for RHEL 8

What is CVE-2026-96658?

A flaw was found in Foreman. An authenticated attacker with low-level permissions can achieve remote code execution (RCE) by bypassing the safemode sandbox within the templating engine. Due to improper handling of delegated methods, an attacker can append unauthorized functions to the allowed execution list, enabling them to run arbitrary commands on the hosting server.

The record classifies CVE-2026-96658 under weakness class CWE-94. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 5 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 22 days ago.

Severity and exploitation probability

CVSS v3.1 base score: 9.9 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS (FIRST): 0.7% probability of exploitation in the next 30 days, higher than 52.5% of all scored CVEs
CISA KEV: Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority: 7.1/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published: 2026-10-01, last modified 2026-10-07

Is CVE-2026-96658 being exploited?

It currently carries a trending score of 46 in the Threadlinqs vulnerability feed.

Affected products and versions

Red Hat: Satellite 6.16 for RHEL 8, Satellite 6.16 for RHEL 9, Satellite 6.17 for RHEL 9, Satellite 6.18 for RHEL 9, Satellite 6.19 for RHEL 9

How to fix CVE-2026-96658

No vendor patch reference has been recorded for CVE-2026-96658 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2026-96658

1 tracked threat in the Threadlinqs corpus references CVE-2026-96658, either in the campaign’s CVE list or as an indicator on the campaign record.

Red Hat Satellite Foreman template preview authorization flaw (CVE-2026-96659) enables root password theft and code execution — CRITICAL · 2026-10-03

Sources

Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on 2026-10-10.