Foreman: unauthenticated information disclosure via provisioning token validation flaw
A flaw was found in Foreman. The Red Hat Satellite /unattended/provision API endpoint is vulnerable to an authentication bypass due to a semantic logic flaw in host_verifier.rb. The application verifies the database state of a provisioning token rather than its actual presence in the incoming HTTP request. Because a host actively undergoing provisioning has an unexpired token in the database, the server's valid_host_token? method evaluates to true, granting access to the kickstart template even if the requester provides no token at all in the URL.
CVE-2026-12423
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-12423
Red Hat Satellite 6.16 for RHEL 8
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Satellite 6.16 for RHEL 9
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Satellite 6.17 for RHEL 9
Source reference: /containers/cna/affected/2/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Satellite 6.18 for RHEL 9
Source reference: /containers/cna/affected/3/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Satellite 6.19 for RHEL 9
Source reference: /containers/cna/affected/4/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Satellite 6
Source reference: /containers/cna/affected/5/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"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_utils:6.16::el8",
"cpe:/a:redhat:satellite_utils:6.16::el9"
],
"vendor": "Red Hat",
"product": "Red Hat Satellite 6.16 for RHEL 8",
"versions": [
{
"status": "unaffected",
"version": "0:3.12.0.23-1.el8sat",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "foreman",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"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_utils:6.16::el8",
"cpe:/a:redhat:satellite_utils:6.16::el9"
],
"vendor": "Red Hat",
"product": "Red Hat Satellite 6.16 for RHEL 9",
"versions": [
{
"status": "unaffected",
"version": "0:3.12.0.23-1.el9sat",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "foreman",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/a:redhat:satellite:6.17::el9",
"cpe:/a:redhat:satellite_capsule:6.17::el9",
"cpe:/a:redhat:satellite_utils:6.17::el9"
],
"vendor": "Red Hat",
"product": "Red Hat Satellite 6.17 for RHEL 9",
"versions": [
{
"status": "unaffected",
"version": "0:3.14.0.22-1.el9sat",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "foreman",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"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 6.18 for RHEL 9",
"versions": [
{
"status": "unaffected",
"version": "0:3.16.0.25-1.el9sat",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "foreman",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/a:redhat:satellite:6.19::el9",
"cpe:/a:redhat:satellite_capsule:6.19::el9",
"cpe:/a:redhat:satellite_utils:6.19::el9"
],
"vendor": "Red Hat",
"product": "Red Hat Satellite 6.19 for RHEL 9",
"versions": [
{
"status": "unaffected",
"version": "0:3.18.0.14-1.el9sat",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "foreman",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/a:redhat:satellite:6"
],
"vendor": "Red Hat",
"product": "Red Hat Satellite 6",
"packageName": "satellite:el8/foreman",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-12423
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #11752 · Revision 1
- Added to Heist Feed
- Publisher date