CVE-2026-5135
MediumCVSS 6.5Exploitation Probability (EPSS)
Low risk15th percentile - higher than 15% of all known CVEs
Summary
A flaw was found in Foreman where a broken access control vulnerability allows an authenticated user with host-edit permissions to retarget an existing lookup value override to a different host by modifying the match field through nested host attributes, bypassing authorization checks.
Risk Assessment
The risk is the potential for unauthorized modification of managed host configurations across different organizational and location boundaries, compromising system integrity.
Recommendation
It is recommended to immediately update Foreman to the latest patched version and implement additional access controls for lookup value override operations.
Other vulnerabilities in Foreman
See all- CVE-2015-5246High
The LDAP Authentication functionality in Foreman might allow remote attackers with knowledge of old passwords to gain access via vectors involving the password lifetime period in Active Directory.
- CVE-2016-4996High
In Foreman before 6.2, when the SSH service is enabled on discovered nodes, discovery-debug displays the root password in plaintext in the system journal during login.
- CVE-2015-5152High
Foreman versions from 1.1 to before 1.9.0-RC1 do not redirect HTTP requests to HTTPS when the require_ssl setting is enabled. This allows remote attackers to obtain user credentials via a man-in-the-middle attack.
- CVE-2017-7505High
Foreman since version 1.5 is vulnerable to an incorrect authorization check, allowing users with user management permissions assigned to certain organizations to perform all operations granted by these permissions on administrator user objects outside their scope.
- CVE-2016-4475High
The Organization and Locations APIs and UIs in Foreman before 1.11.4 and 1.12.x before 1.12.0-RC3 allow remote authenticated users to bypass organization and location restrictions, enabling (a) reading, (b) editing, or (c) deleting arbitrary organizations or locations.
- CVE-2013-0210High
The smart proxy Puppet run API in Foreman before 1.2.0 allows remote attackers to execute arbitrary commands via vectors related to escaping and Puppet commands.
- CVE-2013-0171High
Foreman before 1.1 allows remote attackers to execute arbitrary code via a crafted YAML object to the (1) fact or (2) report import API.
- CVE-2012-5648High
Multiple SQL injection vulnerabilities in Foreman before 1.0.2 allow remote attackers to execute arbitrary SQL commands via unspecified parameters in search.rb or puppetclass.rb, related to the search mechanism.
- CVE-2026-96659Critical
A flaw in Foreman allows an authenticated user with low-level Viewer permissions to cause unauthorized information disclosure by submitting requests to template preview endpoints. The user can access sensitive data such as host root passwords. Under insecure configurations with Safemode disabled, the flaw may also allow arbitrary command execution as the Foreman system account.
- CVE-2026-96658Critical
A flaw in Foreman allows an authenticated attacker with low-level permissions to achieve remote code execution (RCE) by bypassing the Safemode sandbox within the templating engine. Due to improper handling of delegated methods, the attacker can append unauthorized functions to the allowed execution list, enabling arbitrary command execution on the hosting server.
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS