CVE-2026-101295 Red Hat CVE debrief

Who should care

Defenders and administrators of Red Hat OpenShift Container Platform 4 and Assisted Installer for Red Hat OpenShift Container Platform 2 should assess exposure and prioritize remediation due to potential impacts on data integrity and system security. They should verify affected systems, apply patches, and monitor for suspicious activity, reviewing and updating security configurations as necessary.

Why it matters

CVE-2026-101295 is a high-severity vulnerability in oc-mirror's operator catalog image extraction, allowing path traversal and arbitrary file writes. Defenders should assess exposure and prioritize remediation due to potential impacts on data integrity and system security.

• Potential data integrity issues
• Possible system security compromise
• Need for patch verification and application
• Monitoring for suspicious activity

Technical summary

The vulnerability occurs in oc-mirror's operator catalog image extraction, allowing path traversal and arbitrary file writes. This could lead to data integrity issues and potential system compromise. Affected systems should be verified and patched, with security configurations reviewed and updated as necessary. The vulnerability affects Red Hat OpenShift Container Platform 4 and Assisted Installer for Red Hat OpenShift Container Platform 2, and defenders should assess exposure and prioritize remediation due to potential impacts on data integrity and system security.

Defensive priority

Defenders should prioritize verifying affected systems, applying patches, and monitoring for suspicious activity.

Recommended defensive actions

• Verify affected systems and apply patches
• Monitor for suspicious activity
• Review and update security configurations
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record and source item provide details on the vulnerability, affected products, and references. However, specific version information and exploitation details are not provided, requiring further verification.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.