CVE-2026-12515
Katello: missing repository authorization in content_uploads exposes cross-product content existence
No known exploitation. EPSS puts it in the 11th percentile. Only a workaround so far.
What to do
No fixed build is published yet. The vendor describes a workaround.
What it is
From the CVE record
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.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.2% chance of exploitation activity in the next 30 days, which ranks it in the 11th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
7 events over 48 days, from the signal feeds we watch.
- Workaround availablerecord updated
- Workaround availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- Red Hat Satellite 6.16 for RHEL 8Operating Systems / linux-distro
- Red Hat Satellite 6.16 for RHEL 9Operating Systems / linux-distro
- Red Hat Satellite 6.17 for RHEL 9Operating Systems / linux-distro
- Red Hat Satellite 6.18 for RHEL 9Operating Systems / linux-distro
- Red Hat Satellite 6.19 for RHEL 9Cloud & SaaS / virtualization
- Red Hat Hardened ImagesOperating Systems / linux-distro
- Red Hat Satellite 6Operating Systems / linux-distro
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Scored 4.3 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required LowRequires basic user-level privileges
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality LowSome restricted information is disclosed, but limited in scope
- Integrity NoneNo integrity impact
- Availability NoneNo availability impact
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
References in the record
- access.redhat.com/errata/RHSA-2026:50221
- access.redhat.com/errata/RHSA-2026:50222
- access.redhat.com/errata/RHSA-2026:50223
And 4 more references. See all after sign-in
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