Medium severity · published Jun 17, 2026
CVE-2026-12515
Katello: missing repository authorization in content_uploads exposes cross-product content existence
4.3
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 13% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat Satellite 6 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Satellite 6.16 for RHEL 8 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Satellite 6.16 for RHEL 9 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Satellite 6.17 for RHEL 9 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Satellite 6.18 for RHEL 9 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Satellite 6.19 for RHEL 9 · Red Hat
All versions, or not specified · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-12515
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-12515
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:50221
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:50222
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:50223
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:50263
access.redhat.com
https://access.redhat.com/security/cve/CVE-2026-12515
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2489812
More from Red Hat Satellite 6
9.9
CVE-2025-62718
Axios has a NO_PROXY Hostname Normalization Bypass that Leads to SSRF
9.8
CVE-2026-39892
cryptography has a buffer overflow if non-contiguous buffers were passed to APIs
9.3
CVE-2026-44990
Apostrophe has default XSS via `xmp` raw-text passthrough in `sanitize-html`
9.1
CVE-2026-42264
Axios: Prototype pollution read-side gadgets in HTTP adapter allow credential injection and request hijacking
9.1
CVE-2026-2332
HTTP Request Smuggling via Chunked Extension Quoted-String Parsing
