Read the docs

Authorization bypass in Katello Flatpak Remote Repositories API

Priority LOW 24CWE-639Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · None
Fix status
Deferred Red Hat: fix deferred

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-639.

Summary

Red Hat Satellite 6 is affected by a flaw in Katello's Flatpak Remote Repositories API. The API does not properly enforce authorization when a flatpak remote repository is accessed by identifier (CWE-639). An authenticated user with permission to view flatpak remotes in one organization can read flatpak remote repository information belonging to another organization. The same unscoped lookup in the mirror action may let such a user create a repository in a product they can edit, configured with another organization's flatpak remote URL and stored remote credentials.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

A flaw was found in Katello where the Flatpak Remote Repositories API does not properly enforce authorization when accessing a flatpak remote repository by identifier. An authenticated user with permission to view flatpak remotes in one organization may be able to access flatpak remote repository information belonging to another organization. The same unscoped lookup is used by the mirror action, which may allow creating a repository in a product the user can edit that is configured with another organization's flatpak remote URL and stored remote credentials.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00174 6th percentileScored 2026-11-07
Fix Deferred Red Hat: fix deferred

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Red HatRed Hat Hardened Images——Not affectedCNA
Red HatRed Hat Satellite 6——No fix listedCNA
  • Red Hat Hardened Images VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat Satellite 6 VendorRed Hat Affected — Fixed in — No fix listed CNA

CPE names CNA · 2

CPEVersionsRoleVendor
cpe:/a:redhat:hummingbird:11—Red Hat
cpe:/a:redhat:satellite:66—Red Hat
  • cpe:/a:redhat:hummingbird:1 Versions 1 — ·Red Hat
  • cpe:/a:redhat:satellite:6 Versions 6 — ·Red Hat

Remediation

The sources list no fixed version for Red Hat Satellite 6. Red Hat lists no plan available for Red Hat Satellite 6. Red Hat Hardened Images is not affected.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Satellite 6AffectedNo fix yet: Fix deferred
Not affected: 1 product
  • Red Hat Hardened Images

Timeline

  1. 2026-10-08 Threatist record created from CVE-2026-107445
  2. 2026-10-08 Affected versions changed · Red Hat
  3. 2026-10-08 CVSS score added · Red Hat
  4. 2026-10-08 Alias added: GHSA-64g2-rj4q-r59g
  5. 2026-10-08 Affected versions changed · CNA
  6. 2026-10-08 CISA SSVC decision points changed
  7. 2026-10-08 Priority changed: MEDIUM → LOW
  8. 2026-10-09 Affected versions changed · Red Hat
  9. 2026-10-09 Title updated · CNA
  10. 2026-10-29 Affected versions changed · CNA

References

  • TI-2019-15875 Protection mechanism failure in Jenkins Pipeline: Groovy Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-15874 Protection mechanism failure in Jenkins Script Security Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-05363 Code injection in Elastic Kibana KEVCVSS 3.1CRITICAL 10.0
  • TI-2019-03949 Out-of-bounds write in ESXi and Horizon DaaS KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
See all 7413 →

Sources