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CVE-2026-57231

7.5 · HIGH

Podman is a tool for managing OCI containers and pods.

Published Jun 26, 2026CWE-200EPSS 0.44%

Overview

CVE-2026-57231 is a high-severity vulnerability. It was published on June 26, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Podman is a tool for managing OCI containers and pods. From 1.8.1 until 5.8.4, a container image that contains a environment variable with just a key and no value can trick podman into passing that variable from the host into the container. This is made worse by the fact that using an asterisk (*) will cause podman to pass all host variables into the container. So essentially a malicious image can exfiltrate all podman environment variables that are set in the session from where the container is launched. This vulnerability is fixed in 5.8.4 and 6.0.0.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/podman-container-tools/podman/commit/6c431b73dbf8e4b20b778644d7a80caebdb75050GitHubgithub.com/podman-container-tools/podman/security/advisories/GHSA-4hq8-gpf5-8p68

How CyberStrike helps

Frequently asked questions

What is CVE-2026-57231?

CVE-2026-57231 is a high-severity vulnerability. It was published on June 26, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-57231?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-57231?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-57231?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-57231 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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