Red Hat Enterprise Linux up to 10 idp-add eval organization/base-url access control

Summaryinfo

A vulnerability was found in Red Hat Enterprise Linux 6/7/8/9/10 and classified as critical. This affects the function eval of the component idp-add. Executing a manipulation of the argument organization/base-url can lead to access control. This vulnerability is registered as CVE-2026-79678. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability has been found in Red Hat Enterprise Linux 6/7/8/9/10 and classified as critical. This vulnerability affects the function eval of the component idp-add. The manipulation of the argument organization/base-url with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A flaw was found in FreeIPA's idp-add command, where insufficiently validated --organization/--base-url input reaches a constrained eval() call before the corresponding LDAP access control check is enforced. This allows any authenticated IPA principal, regardless of privilege level, to enumerate and read the environment variables of the affected server process and to cause denial of service via memory exhaustion.

The advisory is available at access.redhat.com. This vulnerability was named CVE-2026-79678 since 08/25/2026. The exploitation appears to be easy. The attack can be initiated remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 09/07/2026). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Operating System

Vendor

• Red Hat

Name

• Enterprise Linux

Version

• 6
• 7
• 8
• 9
• 10

License

• commercial

Website

• Vendor: https://www.redhat.com/

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