{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-121621", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-11-03T16:47:48.146Z", "datePublished": "2026-11-03T21:00:53.423Z", "dateUpdated": "2026-11-03T21:00:53.423Z"}, "containers": {"cna": {"title": "Github.com/argoproj-labs/argocd-image-updater: argocd-image-updater: arbitrary command execution via crafted ssh repository proxy configuration", "metrics": [{"other": {"content": {"value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A command injection vulnerability was found in Argo CD Image Updater, where a proxy URL configured on an SSH Git repository is passed unsanitized into a shell-interpreted SSH command. An attacker able to set a malicious proxy value can inject shell metacharacters to execute arbitrary commands and access credentials in the context of the Image Updater process."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat OpenShift GitOps", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openshift-gitops-1/argocd-image-updater-rhel9", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:openshift_gitops:1"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift GitOps", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openshift-gitops-1/gitops-rhel9-operator", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:openshift_gitops:1"]}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-121621", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2565914", "name": "RHBZ#2565914", "tags": ["issue-tracking", "x_refsource_REDHAT"]}, {"url": "https://github.com/argoproj-labs/argocd-image-updater/pull/1905"}], "datePublic": "2026-11-02T18:00:00.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-78", "description": "Improper Neutralization of Special Elements used in an OS Command", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-78: Improper Neutralization of Special Elements used in an OS Command", "timeline": [{"lang": "en", "time": "2026-11-03T15:54:16.610Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-11-02T18:00:00.000Z", "value": "Made public."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-11-03T21:00:53.423Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

{}

{"affected": [{"affectedData": [{"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:openshift_gitops:1"], "defaultStatus": "affected", "packageName": "openshift-gitops-1/argocd-image-updater-rhel9", "product": "Red Hat OpenShift GitOps", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:openshift_gitops:1"], "defaultStatus": "unaffected", "packageName": "openshift-gitops-1/gitops-rhel9-operator", "product": "Red Hat OpenShift GitOps", "vendor": "Red Hat"}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A command injection vulnerability was found in Argo CD Image Updater, where a proxy URL configured on an SSH Git repository is passed unsanitized into a shell-interpreted SSH command. An attacker able to set a malicious proxy value can inject shell metacharacters to execute arbitrary commands and access credentials in the context of the Image Updater process."}], "id": "CVE-2026-121621", "lastModified": "2026-11-03T21:17:37.980", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "[email protected]", "type": "Primary"}]}, "published": "2026-11-03T21:17:37.857", "references": [{"source": "[email protected]", "url": "https://access.redhat.com/security/cve/CVE-2026-121621"}, {"source": "[email protected]", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2565914"}, {"source": "[email protected]", "url": "https://github.com/argoproj-labs/argocd-image-updater/pull/1905"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "github.com/argoproj-labs/argocd-image-updater: argocd-image-updater: Arbitrary command execution via crafted SSH repository proxy configuration", "id": "2565914", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2565914"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-78", "details": ["A command injection vulnerability was found in Argo CD Image Updater, where a proxy URL configured on an SSH Git repository is passed unsanitized into a shell-interpreted SSH command. An attacker able to set a malicious proxy value can inject shell metacharacters to execute arbitrary commands and access credentials in the context of the Image Updater process."], "name": "CVE-2026-121621", "package_state": [{"cpe": "cpe:/a:redhat:openshift_gitops:1", "fix_state": "Affected", "package_name": "openshift-gitops-1/argocd-image-updater-rhel9", "product_name": "Red Hat OpenShift GitOps"}, {"cpe": "cpe:/a:redhat:openshift_gitops:1", "fix_state": "Not affected", "package_name": "openshift-gitops-1/gitops-rhel9-operator", "product_name": "Red Hat OpenShift GitOps"}], "public_date": "2026-11-02T18:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-121621\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-121621\nhttps://github.com/argoproj-labs/argocd-image-updater/pull/1905"], "threat_severity": "Moderate"}

{"created": "2026-11-04T03:45:07.707143+00:00", "title": "Argo CD Image Updater: arbitrary command execution via crafted SSH repository proxy configuration", "updated": "2026-11-04T03:45:07.707153+00:00", "vendors": []}