What’s Vulnerable › Vulnerabilities

CVE-2026-81668: Rubygem-katello: cross-tenant content view filter rule access and modification via unauthorized parent filter lookup

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-27 · updated 2026-10-14
• Weakness: CWE-639

Description

A flaw was found in Katello where the Content View Filter Rules API does not properly enforce authorization on the parent Content View Filter. An authenticated, low-privileged user with Content View permissions in one organization may be able to access and modify filter rules belonging to a Content View Filter in another organization by supplying that filter's identifier. This can result in unauthorized disclosure of filter-rule information and unauthorized changes to unpublished Content View filter configuration.

Affected products

• Red Hat Satellite 6: all versions

References

• https://access.redhat.com/security/cve/CVE-2026-81668
• https://bugzilla.redhat.com/show_bug.cgi?id=2524928

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