Description
A flaw was found in rubygem-safemode. Compound assignment expressions in sandboxed code are evaluated without mediating method calls through the Jail allow-list. An authenticated attacker who can supply template content can invoke arbitrary no-argument methods on objects exposed to the template renderer without Jail mediation, including destructive operations such as host deletion and disclosure of non-allow-listed object state.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Red Hat | Red Hat Satellite 6.16 for RHEL 8 | — | — |
| Red Hat | Red Hat Satellite 6.16 for RHEL 9 | — | — |
| Red Hat | Red Hat Satellite 6.17 for RHEL 9 | — | — |
| Red Hat | Red Hat Satellite 6.18 for RHEL 9 | — | — |
| Red Hat | Red Hat Satellite 6.19 for RHEL 9 | — | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Satellite Utils 6 | foreman +1 | 3.12.0.26-1.el8sat | RHSA-2026:100120, RHSA-2026:99952, RHSA-2026:99950 |
| Red Hat Satellite Utils 6 | rubygem-hammer_cli_foreman | 3.18.3-1.el9sat | RHSA-2026:100120 |
| Red Hat Satellite Utils 6 | rubygem-http-cookie | 1.1.6-2.el9sat | RHSA-2026:100120 |
| Red Hat Satellite Utils 6 | satellite +1 | 6.19.6-1.el9sat | RHSA-2026:100120 |
| Red Hat Satellite Maintenance 6 | ansible-core | 1:2.16.19-4.el9sat | RHSA-2026:99952, RHSA-2026:99950 |
| Red Hat Satellite Capsule 6 | ansible-core +1 | 1:2.16.19-4.el9sat | RHSA-2026:99952, RHSA-2026:99950 |
| Red Hat Satellite Capsule 6 | createrepo_c +2 | 1.2.6-1.el9pc | RHSA-2026:100120 |
| Red Hat Satellite Capsule 6 | foreman +2 | 3.12.0.26-1.el8sat | RHSA-2026:100120, RHSA-2026:99952, RHSA-2026:99950 |
| Red Hat Satellite Capsule 6 | python-pulp-rpm +1 | 3.26.9-1.el8pc | RHSA-2026:99950, RHSA-2026:99949 |
| Red Hat Satellite Capsule 6 | python-pulpcore +1 | 3.49.39-5.el8pc | RHSA-2026:99950, RHSA-2026:99949 |
| Red Hat Satellite Capsule 6 | python-pyjwt +2 | 2.15.1-1.el8pc | RHSA-2026:99950, RHSA-2026:99949 |
| Red Hat Satellite Capsule 6 | python-pysequoia +1 | 0.1.35-1.el8pc | RHSA-2026:99950, RHSA-2026:99949 |
| Red Hat Satellite Capsule 6 | python3.12-pulp-container | 2.26.19-2.el9pc | RHSA-2026:100120 |
| Red Hat Satellite Capsule 6 | python3.12-pulp-rpm | 3.29.12-1.el9pc | RHSA-2026:100120, RHSA-2026:99952 |
| Red Hat Satellite Capsule 6 | python3.12-pulpcore | 3.73.45-1.el9pc | RHSA-2026:100120, RHSA-2026:99952 |
| Red Hat Satellite Capsule 6 | python3.12-pyjwt +1 | 2.15.1-1.el9pc | RHSA-2026:100120, RHSA-2026:99952 |
| Red Hat Satellite Capsule 6 | python3.12-pysequoia | 0.1.35-1.el9pc | RHSA-2026:100120, RHSA-2026:99952 |
| Red Hat Satellite Capsule 6 | rubygem-http-cookie | 1.1.6-2.el9sat | RHSA-2026:100120 |
| Red Hat Satellite Capsule 6 | rubygem-smart_proxy_container_gateway | 3.5.1-1.el9sat | RHSA-2026:100120 |
| Red Hat Satellite Capsule 6 | rubygem-smart_proxy_dynflow | 0.9.3-2.el8sat | RHSA-2026:100120, RHSA-2026:99952, RHSA-2026:99950 |
| Red Hat Satellite Capsule 6 | satellite +3 | 6.19.6-1.el9sat | RHSA-2026:100120 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Satellite 6 | ansible-core +1 | 1:2.16.19-4.el9sat | RHSA-2026:99952, RHSA-2026:99950 |
| Red Hat Satellite 6 | candlepin +1 | 4.4.26-2.el8sat | RHSA-2026:100120, RHSA-2026:99952, RHSA-2026:99950 |
| Red Hat Satellite 6 | createrepo_c +2 | 1.2.6-1.el9pc | RHSA-2026:100120 |
| Red Hat Satellite 6 | foreman +14 | 3.12.0.26-1.el8sat | RHSA-2026:100120, RHSA-2026:99952, RHSA-2026:99950 |
| Red Hat Satellite 6 | python-pulp-rpm +1 | 3.26.9-1.el8pc | RHSA-2026:99950, RHSA-2026:99949 |
| Red Hat Satellite 6 | python-pulpcore +1 | 3.49.39-5.el8pc | RHSA-2026:99950, RHSA-2026:99949 |
| Red Hat Satellite 6 | python-pyjwt +2 | 2.15.1-1.el8pc | RHSA-2026:99950, RHSA-2026:99949 |
| Red Hat Satellite 6 | python-pysequoia +1 | 0.1.35-1.el8pc | RHSA-2026:99950, RHSA-2026:99949 |
| Red Hat Satellite 6 | python3.12-pulp-container | 2.26.19-2.el9pc | RHSA-2026:100120 |
| Red Hat Satellite 6 | python3.12-pulp-rpm | 3.29.12-1.el9pc | RHSA-2026:100120, RHSA-2026:99952 |
| Red Hat Satellite 6 | python3.12-pulpcore | 3.73.45-1.el9pc | RHSA-2026:100120, RHSA-2026:99952 |
| Red Hat Satellite 6 | python3.12-pyjwt +1 | 2.15.1-1.el9pc | RHSA-2026:100120, RHSA-2026:99952 |
| Red Hat Satellite 6 | python3.12-pysequoia | 0.1.35-1.el9pc | RHSA-2026:100120, RHSA-2026:99952 |
| Red Hat Satellite 6 | rubygem-crass | 1.0.8-1.el8sat | RHSA-2026:100120, RHSA-2026:99952, RHSA-2026:99950 |
| Red Hat Satellite 6 | rubygem-foreman_ansible | 17.0.5-2.el9sat | RHSA-2026:100120 |
| Red Hat Satellite 6 | rubygem-foreman_remote_execution +1 | 16.5.3-3.el9sat | RHSA-2026:100120 |
| Red Hat Satellite 6 | rubygem-foreman_rh_cloud | 13.2.12-1.el9sat | RHSA-2026:100120 |
| Red Hat Satellite 6 | rubygem-foreman_theme_satellite | 16.2.5-1.el9sat | RHSA-2026:100120 |
| Red Hat Satellite 6 | rubygem-hammer_cli_foreman | 3.18.3-1.el9sat | RHSA-2026:100120 |
| Red Hat Satellite 6 | rubygem-http-cookie | 1.1.6-2.el9sat | RHSA-2026:100120 |
| Red Hat Satellite 6 | rubygem-katello | 4.14.0.24-1.el8sat | RHSA-2026:100120, RHSA-2026:99952, RHSA-2026:99950 |
| Red Hat Satellite 6 | rubygem-puma | 6.4.3-2.el8sat | RHSA-2026:99952, RHSA-2026:99950, RHSA-2026:99949 |
| Red Hat Satellite 6 | rubygem-safemode | 1.5.0-3.el8sat | RHSA-2026:100120, RHSA-2026:99952, RHSA-2026:99950 |
| Red Hat Satellite 6 | rubygem-smart_proxy_container_gateway | 3.5.1-1.el9sat | RHSA-2026:100120 |
| Red Hat Satellite 6 | rubygem-smart_proxy_dynflow | 0.9.3-2.el8sat | RHSA-2026:100120, RHSA-2026:99952, RHSA-2026:99950 |
| Red Hat Satellite 6 | satellite +3 | 6.19.6-1.el9sat | RHSA-2026:100120 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
googlesky/CVE-2026-107360 ★ 0 · Nov 13, 2026
rubygem-safemode evaluates compound assignments in sandboxed Foreman/Satellite templates without Jail allow-list mediation: a template author invokes arbitrary no-arg methods on template objects (hos…
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 4
- RHSA-2026:99949 Red Hat Security Advisory: Satellite 6.16.15 Async Update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- RHSA-2026:100120 Red Hat Security Advisory: Satellite 6.19.6 Async Update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- RHSA-2026:99950 Red Hat Security Advisory: Satellite 6.17.13 Async Update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- RHSA-2026:99952 Red Hat Security Advisory: Satellite 6.18.11 Async Update Red Hat Security Advisories (RHSA) · Nov 13, 2026
References
- RHSA-2026:100120 vendor-advisory
- RHSA-2026:99949 vendor-advisory
- RHSA-2026:99950 vendor-advisory
- RHSA-2026:99952 vendor-advisory
- https://access.redhat.com/security/cve/CVE-2026-107360 vdb-entry
- RHBZ#2547645 issue-tracking