EUVD-2026-88361
GHSA-c73r-9gcf-qjwr
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Local, no-auth code execution gated by operator running the tool against a malicious reference (AV:L/PR:N/UI:R); arbitrary code execution warrants full C/I/A:H, unlike the vendor's A:N.
Primary rating from Vendor (redhat).
CVSS VectorVendor: redhat
Lifecycle Timeline
4DescriptionCVE.org
A flaw was found in kube-compare. When processing a 'container://' reference path, the tool incorrectly executes an untrusted container image's entrypoint instead of merely extracting data from a stopped container. This allows a remote attacker to achieve arbitrary code execution on the operator's workstation. If the Docker daemon requires elevated privileges, the untrusted code may execute with root-mediated daemon privileges, posing a significant security risk.
Articles & Coverage 2
AnalysisAI
Arbitrary code execution on an operator's workstation is achievable through kube-compare when it processes a 'container://' reference path pointing at an untrusted container image, because the tool launches that image's entrypoint instead of only reading data out of a stopped container. Exploitation is locally scoped and gated: per the assessed vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, an unauthenticated (PR:N) attacker must convince the operator to invoke the tool against the malicious reference (UI:R), so the victim's own action is the trigger. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires the operator to run kube-compare with a 'container://' reference path pointing at an attacker-controlled/untrusted container image; the tool then executes that image's entrypoint rather than only extracting data from a stopped container. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine but conditionally-gated risk. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch was identified at time of analysis, so the primary action is to check https://access.redhat.com/security/cve/CVE-2026-87114 and https://bugzilla.redhat.com/show_bug.cgi?id=2522945 for an updated kube-compare build and apply it as soon as Red Hat publishes the fixed version. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all deployments of Red Hat OpenShift Container Platform 4 and Pen Drive Powered by Red Hat Lightspeed, instruct operators to avoid processing 'container://' references from untrusted sources, and verify that Docker daemons on operator workstations run in rootless mode or with least privilege to prevent escalation. …
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