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The Usergroup model in Foreman does not properly validate role assignments against the calling user's permissions. This allows an authenticated user with usergroup management permissions to attach arbitrary roles, including administrative roles, to a user group and then add themselves as a member. Successful exploitation of this vulnerability leads to full privilege escalation, granting the attacker administrator-level access."}],"affected":[{"vendor":"Red Hat","product":"Red Hat Satellite 6.16 for RHEL 8","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"foreman","defaultStatus":"affected","versions":[{"version":"0:3.12.0.17-1.el8sat","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:satellite:6.16::el8","cpe:/a:redhat:satellite:6.16::el9","cpe:/a:redhat:satellite_capsule:6.16::el8","cpe:/a:redhat:satellite_capsule:6.16::el9","cpe:/a:redhat:satellite_maintenance:6.16::el8","cpe:/a:redhat:satellite_maintenance:6.16::el9","cpe:/a:redhat:satellite_utils:6.16::el8","cpe:/a:redhat:satellite_utils:6.16::el9"]},{"vendor":"Red Hat","product":"Red Hat Satellite 6.16 for RHEL 9","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"foreman","defaultStatus":"affected","versions":[{"version":"0:3.12.0.17-1.el9sat","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:satellite:6.16::el8","cpe:/a:redhat:satellite:6.16::el9","cpe:/a:redhat:satellite_capsule:6.16::el8","cpe:/a:redhat:satellite_capsule:6.16::el9","cpe:/a:redhat:satellite_maintenance:6.16::el8","cpe:/a:redhat:satellite_maintenance:6.16::el9","cpe:/a:redhat:satellite_utils:6.16::el8","cpe:/a:redhat:satellite_utils:6.16::el9"]},{"vendor":"Red Hat","product":"Red Hat Satellite 6.17 for RHEL 9","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"foreman","defaultStatus":"affected","versions":[{"version":"0:3.14.0.17-1.el9sat","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:satellite:6.17::el9","cpe:/a:redhat:satellite_capsule:6.17::el9","cpe:/a:redhat:satellite_maintenance:6.17::el9","cpe:/a:redhat:satellite_utils:6.17::el9"]},{"vendor":"Red Hat","product":"Red Hat Satellite 6.18 for RHEL 9","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"foreman","defaultStatus":"affected","versions":[{"version":"0:3.16.0.17-1.el9sat","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:satellite:6.18::el9","cpe:/a:redhat:satellite_capsule:6.18::el9","cpe:/a:redhat:satellite_utils:6.18::el9"]},{"vendor":"Red Hat","product":"Red Hat Satellite 6.19 for RHEL 9","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"foreman","defaultStatus":"affected","versions":[{"version":"0:3.18.0.7-1.el9sat","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:satellite:6.19::el9","cpe:/a:redhat:satellite_capsule:6.19::el9","cpe:/a:redhat:satellite_maintenance:6.19::el9","cpe:/a:redhat:satellite_utils:6.19::el9"]},{"vendor":"Red Hat","product":"Red Hat Satellite 6","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"satellite-capsule:el8/foreman","defaultStatus":"affected","cpes":["cpe:/a:redhat:satellite:6"]}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:34365","name":"RHSA-2026:34365","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:34366","name":"RHSA-2026:34366","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:34367","name":"RHSA-2026:34367","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:34368","name":"RHSA-2026:34368","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-5136","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2452970","name":"RHBZ#2452970","tags":["issue-tracking","x_refsource_REDHAT"]}],"datePublic":"2026-07-01T12:28:21.744Z","problemTypes":[{"descriptions":[{"cweId":"CWE-266","description":"Incorrect Privilege Assignment","lang":"en","type":"CWE"}]}],"x_redhatCweChain":"CWE-266: Incorrect Privilege Assignment","timeline":[{"lang":"en","time":"2026-03-30T10:41:48.559Z","value":"Reported to Red Hat."},{"lang":"en","time":"2026-07-01T12:28:21.744Z","value":"Made public."}],"credits":[{"lang":"en","value":"Red Hat would like to thank Stanislav Fot (Aisle Research) for reporting this issue."}],"providerMetadata":{"orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat","dateUpdated":"2026-07-01T23:37:57.480Z"},"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-01T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-5136"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-02T03:56:14.203Z"}}]}}