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Vulnerability · Published Jun 17, 2026 · Assigned by redhat

CVE-2026-12515Katello: missing repository authorization in content_uploads exposes cross-product content existence

Medium 4.3

In plain English

A medium-severity missing authorization in Red Hat Hardened Images from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.2%top 87.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A flaw was found in Katello's of Red Hat Satellite. A content upload functionality where insufficient authorization checks in the ContentUploadsController allowed users with the edit_products permission to query content information for repositories outside the products they were authorized to manage. An authenticated attacker could exploit this issue to determine whether specific content exists within repositories that should otherwise be inaccessible. This issue does not allow unauthorized modification, import, or publication of content.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
RubyGemskatello4.21.0.rc1GHSA-c43c-rf7g-5xpg

Affected products (as reported)

VendorProductVersions
Red Hat Red Hat Satellite 6.16 for RHEL 8 see references
Red Hat Red Hat Satellite 6.16 for RHEL 9 see references
Red Hat Red Hat Satellite 6.17 for RHEL 9 see references
Red Hat Red Hat Satellite 6.18 for RHEL 9 see references
Red Hat Red Hat Satellite 6.19 for RHEL 9 see references
Red Hat Red Hat Hardened Images see references
Red Hat Red Hat Satellite 6 see references

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References