CVE record · CVE-2026-15809

Github.com/cri-o/cri-o: fix bypass for cve-2022-4318 — /etc/passwd injection via home env

CVSS 7.8 HighEPSS 0.0018 · 7th percentile

Published by the CVE Program (CNA: redhat) at 15 Jul 2026, 12:32 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Red Hat	Red Hat OpenShift Container Platform 4.12 Package name: cri-o https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.25.5-36.rhaos4.12.git2e7f657.el8 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4.13 Package name: cri-o https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.26.5-32.rhaos4.13.git1088e36.el8 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4.14 Package name: cri-o https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.27.8-22.rhaos4.14.git0633bf1.el8 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4.15 Package name: cri-o https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.28.11-17.rhaos4.15.git48e6ddb.el8 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4.16 Package name: cri-o https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.29.13-14.rhaos4.16.git84cfdc6.el8 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4.17 Package name: cri-o https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.30.14-13.rhaos4.17.git3a25d98.el8 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4.18 Package name: cri-o https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.31.13-14.rhaos4.18.gitf2de9ac.el8 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4.19 Package name: cri-o https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.32.13-11.rhaos4.19.git089e95c.el9 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4.20 Package name: cri-o https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.33.13-5.rhaos4.20.git7ebc848.el9 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4.21 Package name: cri-o https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.34.11-4.rhaos4.21.git358c4b4.el9 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4.22 Package name: cri-o https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.35.6-5.rhaos4.22.git41f610b.el9 to before * rpm Other versions: affected
Red Hat	Confidential Compute Attestation Package name: openshift-sandboxed-containers/osc-monitor-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift4/cnf-tests-rhel8 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift4/ztp-site-generate-rhel8 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 5 Package name: cri-o https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected

Identifiers: CVE-2026-15809
CNA: redhat
Weakness (CWE): CWE-116 · CWE-134
Tags: Red Hat OpenShift Container Platform 4.12
Red Hat OpenShift Container Platform 4.13
Red Hat OpenShift Container Platform 4.14
Red Hat OpenShift Container Platform 4.15
Red Hat OpenShift Container Platform 4.16
Red Hat OpenShift Container Platform 4.17
Red Hat OpenShift Container Platform 4.18
Red Hat OpenShift Container Platform 4.19
Memory corruption
CWE-116
Published: 15 Jul 2026
Updated: 2 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CNA (redhat)

CISA KEV Not listed.
EPSS 0.0018, the 7th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

15 Jul 2026, 12:32 UTC Confirmed by the CVE List
15 Jul 2026, 13:17 UTC Confirmed by NVD

Sources

References from the CNA

access.redhat.com/errata/RHSA-2026:57361 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:60444 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:60449 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:60452 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:62548 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:65838 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:65906 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:66385 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:67836 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:67856 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:70585 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2026-15809 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2500846 issue-trackingredhat
github.com/cri-o/cri-o/pull/6450
github.com/cri-o/cri-o/pull/6524

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.