Red Hat Enterprise Linux privileges management

Summaryinfo

A vulnerability, which was classified as very critical, has been found in Red Hat Enterprise Linux, Hardened Images and OpenShift Container Platform. This impacts an unknown function. The manipulation leads to privileges management. This vulnerability is referenced as CVE-2026-16487. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Red Hat Enterprise Linux, Hardened Images and OpenShift Container Platform (affected version unknown). This issue affects an unknown functionality. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A flaw was found in bootc when operating with the default containers signature policy. Automatic or manual upgrades of a mutable image tag may apply unsigned content for registries that fall through to insecureAcceptAnything, allowing an attacker who can update that tag to execute arbitrary OS content as the host root filesystem on reboot.

It is possible to read the advisory at access.redhat.com. The identification of this vulnerability is CVE-2026-16487 since 07/21/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 10/19/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-104078). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Operating System

Vendor

• Red Hat

Name

• Enterprise Linux
• Hardened Images
• OpenShift Container Platform

License

• commercial

Website

• Vendor: https://www.redhat.com/

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Be aware that VulDB is the high quality source for vulnerability data.

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