Foreman: foreman: unauthorized modification of host configurations via broken access control
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Partial Red Hat: 5 fixed, 1 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-639.
Summary
A flaw was found in Foreman. This broken access control vulnerability allows an authenticated user with host-edit permissions to retarget an existing lookup value override to a different host. This is achieved by modifying the match field through nested host attributes, effectively bypassing authorisation checks. The consequence is the potential for unauthorised modification of managed host configurations across different organisational and location boundaries.
Why it matters now
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Red Hat | Red Hat Satellite 6.16 for RHEL 8 | — | 3.12.0.17-1.el8sat | Patch available | CNA |
| Red Hat | Red Hat Satellite 6.16 for RHEL 9 | — | 3.12.0.17-1.el9sat | Patch available | CNA |
| Red Hat | Red Hat Satellite 6.17 for RHEL 9 | — | 3.14.0.17-1.el9sat | Patch available | CNA |
| Red Hat | Red Hat Satellite 6.18 for RHEL 9 | — | 3.16.0.17-1.el9sat | Patch available | CNA |
| Red Hat | Red Hat Satellite 6.19 for RHEL 9 | — | 3.18.0.7-1.el9sat | Patch available | CNA |
| Red Hat | Red Hat Satellite 6 | — | — | No fix listed | CNA |
- Red Hat Satellite 6.16 for RHEL 8 VendorRed Hat Affected — Fixed in 3.12.0.17-1.el8sat Patch available CNA
- Red Hat Satellite 6.16 for RHEL 9 VendorRed Hat Affected — Fixed in 3.12.0.17-1.el9sat Patch available CNA
- Red Hat Satellite 6.17 for RHEL 9 VendorRed Hat Affected — Fixed in 3.14.0.17-1.el9sat Patch available CNA
- Red Hat Satellite 6.18 for RHEL 9 VendorRed Hat Affected — Fixed in 3.16.0.17-1.el9sat Patch available CNA
- Red Hat Satellite 6.19 for RHEL 9 VendorRed Hat Affected — Fixed in 3.18.0.7-1.el9sat Patch available CNA
- Red Hat Satellite 6 VendorRed Hat Affected — Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:redhat:satellite:*:*:*:*:*:*:*:* | 6.16 to before 6.16.10 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | 8.0 | Running on | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* | 9.0 | Running on | Red Hat |
| cpe:2.3:a:redhat:satellite:*:*:*:*:*:*:*:* | 6.17 to before 6.17.9; 6.18 to before 6.18.7; 6.19 to before 6.19.2 | Vulnerable | Red Hat |
| cpe:2.3:a:theforeman:foreman:*:*:*:*:*:*:*:* | before 3.18.2; 3.19.0 to before 3.19.1 | Vulnerable | The Foreman Project |
- cpe:2.3:a:redhat:satellite:*:*:*:*:*:*:*:* Versions 6.16 to before 6.16.10 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Running on ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Running on ·Red Hat
- cpe:2.3:a:redhat:satellite:*:*:*:*:*:*:*:* Versions 6.17 to before 6.17.9; 6.18 to before 6.18.7; 6.19 to before 6.19.2 Vulnerable ·Red Hat
- cpe:2.3:a:theforeman:foreman:*:*:*:*:*:*:*:* Versions before 3.18.2; 3.19.0 to before 3.19.1 Vulnerable ·The Foreman Project
Remediation
Red Hat 4 advisories
- RHSA-2026:34367 Released 2026-07-01 · Red Hat rating ImportantSatellite 6.16.10 Async Update
- Red Hat Satellite 6.16 for RHEL 8 foreman-3.12.0.17-1.el8sat, foreman-cli-3.12.0.17-1.el8sat, foreman-debug-3.12.0.17-1.el8sat +12
- Red Hat Satellite 6.16 for RHEL 9 foreman-3.12.0.17-1.el9sat, foreman-cli-3.12.0.17-1.el9sat, foreman-debug-3.12.0.17-1.el9sat +12
- RHSA-2026:34365 Released 2026-07-01 · Red Hat rating ImportantSatellite 6.19.2 Async Update
- Red Hat Satellite 6.19 for RHEL 9 candlepin-4.7.5-1.el9sat, candlepin-selinux-4.7.5-1.el9sat, foreman-3.18.0.7-1.el9sat +17
- RHSA-2026:34368 Released 2026-07-01 · Red Hat rating ImportantSatellite 6.18.7 Async Update
- Red Hat Satellite 6.18 for RHEL 9 foreman-3.16.0.17-1.el9sat, foreman-cli-3.16.0.17-1.el9sat, foreman-debug-3.16.0.17-1.el9sat +13
Show 1 more Red Hat advisories
- RHSA-2026:34366 Released 2026-07-01 · Red Hat rating ImportantSatellite 6.17.9 Async Update
- Red Hat Satellite 6.17 for RHEL 9 dynflow-utils-1.6.3-1.1.el9sat, foreman-3.14.0.17-1.el9sat, foreman-cli-3.14.0.17-1.el9sat +16
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Red Hat Satellite 6, Red Hat Satellite 6.16 for RHEL 8 and 4 more products — RHSA-2026:34365
4 records Highest priority Priority MEDIUM 1 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2026-04483 Foreman: foreman: privilege escalation to administrator-level access via usergroup role assignment manipulationPriority MEDIUM 41
- TI-2026-04489 Foreman: foreman: cross-tenant private ssh key disclosure via taxonomy scoping bypassPriority LOW 29
- TI-2026-04485 Foreman: foreman: information disclosure via improper validation of nested request parametersPriority LOW 20
- Advisory ·
Red Hat Satellite 6, Red Hat Satellite 6.16 for RHEL 8 and 4 more products — RHSA-2026:34366
4 records Highest priority Priority MEDIUM 1 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2026-04483 Foreman: foreman: privilege escalation to administrator-level access via usergroup role assignment manipulationPriority MEDIUM 41
- TI-2026-04489 Foreman: foreman: cross-tenant private ssh key disclosure via taxonomy scoping bypassPriority LOW 29
- TI-2026-04485 Foreman: foreman: information disclosure via improper validation of nested request parametersPriority LOW 20
Show 2 more groups
- Advisory ·
Red Hat Satellite 6, Red Hat Satellite 6.16 for RHEL 8 and 4 more products — RHSA-2026:34367
4 records Highest priority Priority MEDIUM 1 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2026-04483 Foreman: foreman: privilege escalation to administrator-level access via usergroup role assignment manipulationPriority MEDIUM 41
- TI-2026-04489 Foreman: foreman: cross-tenant private ssh key disclosure via taxonomy scoping bypassPriority LOW 29
- TI-2026-04485 Foreman: foreman: information disclosure via improper validation of nested request parametersPriority LOW 20
- Advisory ·
Red Hat Satellite 6, Red Hat Satellite 6.16 for RHEL 8 and 4 more products — RHSA-2026:34368
4 records Highest priority Priority MEDIUM 1 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2026-04483 Foreman: foreman: privilege escalation to administrator-level access via usergroup role assignment manipulationPriority MEDIUM 41
- TI-2026-04489 Foreman: foreman: cross-tenant private ssh key disclosure via taxonomy scoping bypassPriority LOW 29
- TI-2026-04485 Foreman: foreman: information disclosure via improper validation of nested request parametersPriority LOW 20
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Satellite 6 | Affected | No fix yet |
| Red Hat Satellite 6.16 for RHEL 8 | Fixed | RHSA-2026:34367 |
| Red Hat Satellite 6.16 for RHEL 9 | Fixed | RHSA-2026:34367 |
| Red Hat Satellite 6.17 for RHEL 9 | Fixed | RHSA-2026:34366 |
| Red Hat Satellite 6.18 for RHEL 9 | Fixed | RHSA-2026:34368 |
| Red Hat Satellite 6.19 for RHEL 9 | Fixed | RHSA-2026:34365 |
Not affected: 5 products
- Red Hat Satellite 6.16 for RHEL 8
- Red Hat Satellite 6.16 for RHEL 9
- Red Hat Satellite 6.17 for RHEL 9
- Red Hat Satellite 6.18 for RHEL 9
- Red Hat Satellite 6.19 for RHEL 9
Timeline
- 2026-10-02 Threatist record created from CVE-2026-5135
- 2026-10-03 Alias added: GHSA-vpj3-792h-v855
References
More Red Hat Satellite vulnerabilities
- TI-2016-02888 Unspecified vulnerability in Oracle Java SE 6u113, 7u99, and 8u77; Java SE Embedded 8u77… KEVCVSS 3.1CRITICAL 9.8
- TI-2015-02278 Unspecified vulnerability in Oracle Java SE 6u95, 7u80, and 8u45, and Java SE Embedded… KEVCVSS 3.1CRITICAL 9.8
- TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
- TI-2026-35991 Starlette has missing Host header validation that poisons request.url.path, bypassing path-based security checks KEVCVSS 3.1MEDIUM 6.5
- TI-2015-04118 Unspecified vulnerability in Oracle Java SE 6u101, 7u85, and 8u60 allows remote attackers… KEVCVSS 3.1MEDIUM 5.3
- TI-2018-07743 It was found that cobbler 2.6.x exposed all functions from its CobblerXMLRPCInterface… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2026-5135 · CVE Program
- CVE-2026-5135 · NVD
- FIRST EPSS
- GHSA-vpj3-792h-v855 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-5135 · Red Hat security data · CC BY 4.0
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