CVE-2026-87114: kube-compare · Untrusted Functionality Inclusion
Source GCVE Database
Not known to be exploited · CVSS 7.1 High · fixed in Red Hat OpenShift Container Platform 4.19 package updates : patch Red Hat OpenShift Container Platform 4.19 soon.
Data as of 12 Nov 2026, 23:24 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 30% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 4.20.41
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 28 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
Patches and advisories
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red HatRed Hat OpenShift Container Platform 4.19 | Affected– | Fixed in– |
| Red HatRed Hat OpenShift Container Platform 4.20 | Affected– | Fixed in– |
| Red HatRed Hat OpenShift Container Platform 4.21 | Affected– | Fixed in– |
| Red HatRed Hat OpenShift Container Platform 4.22 | Affected– | Fixed in– |
| Red HatPen Drive Powered by Red Hat Lightspeed | Affected– | Fixed in– |
AI-suggested
Red Hat OpenShift Container Platform users should upgrade to version 4.20.41 or later, which includes the fix for this vulnerability. The vendor advisory confirms that updated packages and images are available and advises applying these updates promptly using the OpenShift CLI or web console. No alternative mitigations are indicated.
Description
A vulnerability in kube-compare allows execution of an untrusted container image's entrypoint when processing a 'container://' reference path. This flaw can lead to arbitrary code execution on the operator's workstation, potentially with elevated privileges if the Docker daemon runs with such rights. Red Hat OpenShift Container Platform 4.20.41 includes a security update addressing this issue.
References
- nvd.nist.gov/vuln/detail/CVE-2026-87114 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:74381 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:74384 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:74430 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:74435 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-87114 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2522945 (opens in a new tab)