CVE-2026-15816

{"id": "CVE-2026-15816", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-15816", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-07T14:32:54.964951Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "secalert@redhat.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.6}]}, "affected": [{"source": "secalert@redhat.com", "affectedData": [{"cpes": ["cpe:/o:redhat:enterprise_linux:10.2"], "vendor": "Red Hat", "product": "Red Hat Enterprise 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"defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:rhel_els:6"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION", "versions": [{"status": "unaffected", "version": "0:004-414.el6_10", "lessThan": "*", "versionType": "rpm"}], "packageName": "dracut", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:rhel_els:7"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7 Extended Lifecycle Support", "versions": [{"status": "unaffected", "version": "0:033-577.el7_9", "lessThan": "*", "versionType": "rpm"}], "packageName": "dracut", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:8::baseos"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "versions": [{"status": "unaffected", "version": "0:049-246.git20260728.el8_10", "lessThan": "*", "versionType": "rpm"}], "packageName": "dracut", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:rhel_aus:8.4::baseos", "cpe:/o:redhat:rhel_eus_long_life:8.4::baseos"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "versions": [{"status": "unaffected", "version": "0:049-138.git20220131.el8_4.1", "lessThan": "*", "versionType": "rpm"}], "packageName": "dracut", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:rhel_aus:8.4::baseos", "cpe:/o:redhat:rhel_eus_long_life:8.4::baseos"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On", "versions": [{"status": "unaffected", "version": "0:049-138.git20220131.el8_4.1", "lessThan": "*", "versionType": "rpm"}], "packageName": "dracut", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:rhel_aus:8.6::baseos", "cpe:/o:redhat:rhel_eus_long_life:8.6::baseos"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support", "versions": [{"status": "unaffected", "version": "0:049-203.git20220511.el8_6.1", "lessThan": "*", "versionType": "rpm"}], "packageName": "dracut", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:rhel_aus:8.6::baseos", "cpe:/o:redhat:rhel_eus_long_life:8.6::baseos"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On", "versions": [{"status": "unaffected", "version": "0:049-203.git20220511.el8_6.1", "lessThan": "*", "versionType": "rpm"}], "packageName": "dracut", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:rhel_e4s:8.8::baseos", "cpe:/o:redhat:rhel_tus:8.8::baseos"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.8 Telecommunications Update Service", "versions": [{"status": "unaffected", "version": "0:049-223.git20230119.el8_8.1", "lessThan": "*", "versionType": "rpm"}], "packageName": "dracut", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:rhel_e4s:8.8::baseos", "cpe:/o:redhat:rhel_tus:8.8::baseos"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions", "versions": [{"status": "unaffected", "version": "0:049-223.git20230119.el8_8.1", "lessThan": "*", "versionType": "rpm"}], "packageName": "dracut", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream", "cpe:/o:redhat:enterprise_linux:9::baseos"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "versions": [{"status": "unaffected", "version": "0:057-120.git20260728.el9_8", "lessThan": "*", "versionType": "rpm"}], "packageName": "dracut", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream", "cpe:/o:redhat:enterprise_linux:9::baseos"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "versions": [{"status": "unaffected", "version": "0:057-120.git20260728.el9_8", "lessThan": "*", "versionType": "rpm"}], "packageName": "dracut", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_e4s:9.2::appstream", "cpe:/o:redhat:rhel_e4s:9.2::baseos"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions", "versions": [{"status": "unaffected", "version": "0:057-25.git20250717.el9_2.2", "lessThan": "*", "versionType": "rpm"}], "packageName": "dracut", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_e4s:9.4::appstream", "cpe:/o:redhat:rhel_e4s:9.4::baseos"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions", "versions": [{"status": "unaffected", "version": "0:057-54.git20250423.el9_4.3", "lessThan": "*", "versionType": "rpm"}], "packageName": "dracut", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_eus:9.6::appstream", "cpe:/o:redhat:rhel_eus:9.6::baseos"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.6 Extended Update Support", "versions": [{"status": "unaffected", "version": "0:057-89.git20250311.el9_6.1", "lessThan": "*", "versionType": "rpm"}], "packageName": "dracut", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.12::el8"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.12", "versions": [{"status": "unaffected", "version": "412.86.202610250235-0", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift/ose-rhel-coreos-8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.13::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.13", "versions": [{"status": "unaffected", "version": "413.92.202609080414-0", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift/ose-rhel-coreos-9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.14::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.14", "versions": [{"status": "unaffected", "version": "414.92.202609011250-0", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift/ose-rhel-coreos-9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.15::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.15", "versions": [{"status": "unaffected", "version": "415.92.202609140326-0", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift/ose-rhel-coreos-9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.16::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.16", "versions": [{"status": "unaffected", "version": "416.94.202609011112-0", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift/ose-rhel-coreos-9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.17::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.17", "versions": [{"status": "unaffected", "version": "417.94.202609191027-0", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift/ose-rhel-coreos-9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.18::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.18", "versions": [{"status": "unaffected", "version": "418.94.202609031320-0", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift/ose-rhel-coreos-9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.18::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.18", "versions": [{"status": "unaffected", "version": "418.94.202609171815-0", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift/ose-rhel-coreos-9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.19::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.19", "versions": [{"status": "unaffected", "version": "4.19.9.6.202609021231-0", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift/ose-rhel-coreos-9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.20::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.20", "versions": [{"status": "unaffected", "version": "4.20.9.6.202608260604-0", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift/ose-rhel-coreos-9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.21::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.21", "versions": [{"status": "unaffected", "version": "4.21.9.6.202609021100-0", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift/ose-rhel-coreos-9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.22::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.22", "versions": [{"status": "unaffected", "version": "4.22.9.8.202608251819-0", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift/ose-rhel-coreos-9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.22::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.22", "versions": [{"status": "unaffected", "version": "4.22.9.8.202609081748-0", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift/ose-rhel-coreos-9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:hummingbird:1"], "vendor": "Red Hat", "product": "Red Hat Hardened Images", "packageName": "dracut", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:openshift:5"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 5", "packageName": "openshift/ose-rhel-coreos-9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}]}], "published": "2026-08-07T11:17:05.100", "references": [{"url": "https://access.redhat.com/errata/RHSA-2026:54571", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:54575", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:54576", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:57580", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:57772", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:57775", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:57785", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:60440", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:60445", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:61252", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:62269", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:62409", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:62549", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:63041", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:63044", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:65839", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:65851", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:66357", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:67857", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:69118", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:69119", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:70586", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:70615", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:74499", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:79114", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:90272", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-15816", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2459963", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500889", "source": "secalert@redhat.com"}, {"url": "https://github.com/dracutdevs/dracut/blob/master/modules.d/40network/netroot.sh", "source": "secalert@redhat.com"}, {"url": "https://github.com/dracutdevs/dracut/blob/master/modules.d/99base/dracut-lib.sh", "source": "secalert@redhat.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in dracut. The die() error-handling function writes its message into a shell script under the initramfs emergency-hook directory without properly shell-quoting it. When the message contains data derived from the DHCP ROOT_PATH option, an attacker on the adjacent network who controls a rogue DHCP server can inject a command-substitution sequence that executes as root the next time dracut sources its emergency hook scripts during standard boot-failure handling."}], "lastModified": "2026-10-30T18:17:28.643", "sourceIdentifier": "secalert@redhat.com"}