CVE-2026-12515: medium-severity vulnerability in Red Hat Hardened Images
Katello: missing repository authorization in content_uploads exposes cross-product content existence
Published · Updated
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.3epss 0.2%
exploitation probability
0.2%top 88% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Affected products
Red Hat · Red Hat Hardened ImagesRed Hat · Red Hat Satellite 6Red Hat · Red Hat Satellite 6.16 for RHEL 8Red Hat · Red Hat Satellite 6.16 for RHEL 9Red Hat · Red Hat Satellite 6.17 for RHEL 9Red Hat · Red Hat Satellite 6.18 for RHEL 9Red Hat · Red Hat Satellite 6.19 for RHEL 9Related CVEs — Red Hat Hardened Images
In the same product, most dangerous first.
CVE-2026-6893HIGHDracut: dracut: root code execution via dhcp options command injectionEPSS 3.1%CVE-2022-3874HIGHOs command injection via ct_command and fcct_commandEPSS 2.2%CVE-2025-49796CRITICALLibxml: type confusion leads to denial of service (dos)EPSS 1.6%CVE-2026-12405HIGHRubygem-foreman_remote_execution: command injection in job invocations via effective_user parameterEPSS 1.5%CVE-2026-5121HIGHLibarchive: libarchive: arbitrary code execution via integer overflow in iso9660 image processingEPSS 1.4%CVE-2026-1961HIGHForman: foreman: remote code execution via command injection in websocket proxyEPSS 1.4%
References
https://access.redhat.com/errata/RHSA-2026:50221https://access.redhat.com/errata/RHSA-2026:50222https://access.redhat.com/errata/RHSA-2026:50223https://access.redhat.com/errata/RHSA-2026:50263https://access.redhat.com/security/cve/CVE-2026-12515https://bugzilla.redhat.com/show_bug.cgi?id=2489812https://github.com/Katello/katello/pull/11712