CVE-2026-55797

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{"affected": [{"affectedData": [{"product": "argo-cd", "vendor": "argoproj", "versions": [{"status": "affected", "version": ">= 2.11.0, <= 2.14.21"}, {"status": "affected", "version": ">= 3.0.0, < 3.3.15"}, {"status": "affected", "version": ">= 3.4.0, < 3.4.10"}, {"status": "affected", "version": ">= 3.5.0, < 3.5.4"}, {"status": "affected", "version": "= 3.6.0-rc1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. From 2.11.0 until 3.3.15, 3.4.10, 3.5.4, and 3.6.0-rc2, the Argo CD repo-server is vulnerable to command injection when it clones, tests, or fetches an SSH Git repository configured with a proxy URL. The proxy host and port are embedded in an SSH ProxyCommand that is executed through a shell without neutralizing shell metacharacters. A user who can create or update a repository or repository credential template can supply a crafted proxy host to execute commands in the repo-server and access its Git, Helm, and OCI credentials. This issue is fixed in versions 3.3.15, 3.4.10, 3.5.4, and 3.6.0-rc2."}], "id": "CVE-2026-55797", "lastModified": "2026-10-09T18:17:08.530", "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": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-55797", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-09T17:53:47.301776Z", "version": "2.0.3"}}]}, "published": "2026-10-09T17:16:47.710", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/argoproj/argo-cd/commit/1e3ddd0b7250aa23f489956b5fab8c13d0493a9f"}, {"source": "security-advisories@github.com", "url": "https://github.com/argoproj/argo-cd/commit/9b27aeb1a4fb15d11a0f01cad65dea1fdfc60205"}, {"source": "security-advisories@github.com", "url": "https://github.com/argoproj/argo-cd/pull/15864"}, {"source": "security-advisories@github.com", "url": "https://github.com/argoproj/argo-cd/releases/tag/v3.3.15"}, {"source": "security-advisories@github.com", "url": "https://github.com/argoproj/argo-cd/releases/tag/v3.4.10"}, {"source": "security-advisories@github.com", "url": "https://github.com/argoproj/argo-cd/releases/tag/v3.5.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/argoproj/argo-cd/releases/tag/v3.6.0-rc2"}, {"source": "security-advisories@github.com", "url": "https://github.com/argoproj/argo-cd/security/advisories/GHSA-j6cw-g6p4-7hch"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "github.com/argoproj/argo-cd/v3: github.com/argoproj/argo-cd/v2: argo-cd: Arbitrary command execution via crafted SSH repository proxy configuration", "id": "2548730", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548730"}, "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": ["Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. From 2.11.0 until 3.3.15, 3.4.10, 3.5.4, and 3.6.0-rc2, the Argo CD repo-server is vulnerable to command injection when it clones, tests, or fetches an SSH Git repository configured with a proxy URL. The proxy host and port are embedded in an SSH ProxyCommand that is executed through a shell without neutralizing shell metacharacters. A user who can create or update a repository or repository credential template can supply a crafted proxy host to execute commands in the repo-server and access its Git, Helm, and OCI credentials. This issue is fixed in versions 3.3.15, 3.4.10, 3.5.4, and 3.6.0-rc2.", "A flaw was found in Argo CD's repository server component. An authenticated user with permissions to create or update repository configurations can supply a crafted proxy address containing special characters for an SSH (Secure Shell) repository. Because the server processes this proxy address directly through a system shell without proper sanitization, an attacker can execute arbitrary commands on the repository server and access stored credentials."], "name": "CVE-2026-55797", "package_state": [{"cpe": "cpe:/a:redhat:openshift_data_foundation:4", "fix_state": "Affected", "package_name": "odf4/odf-multicluster-rhel9-operator", "product_name": "Red Hat Openshift Data Foundation 4"}, {"cpe": "cpe:/a:redhat:openshift_gitops:1", "fix_state": "Affected", "package_name": "openshift-gitops-1/argocd-agent-rhel9", "product_name": "Red Hat OpenShift GitOps"}, {"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/argocd-rhel9", "product_name": "Red Hat OpenShift GitOps"}, {"cpe": "cpe:/a:redhat:openshift_gitops:1", "fix_state": "Affected", "package_name": "openshift-gitops-1/gitops-rhel9", "product_name": "Red Hat OpenShift GitOps"}, {"cpe": "cpe:/a:redhat:openshift_gitops:1", "fix_state": "Affected", "package_name": "openshift-gitops-1/gitops-rhel9-operator", "product_name": "Red Hat OpenShift GitOps"}], "public_date": "2026-10-09T16:43:35Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-55797\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-55797\nhttps://github.com/argoproj/argo-cd/commit/1e3ddd0b7250aa23f489956b5fab8c13d0493a9f\nhttps://github.com/argoproj/argo-cd/commit/9b27aeb1a4fb15d11a0f01cad65dea1fdfc60205\nhttps://github.com/argoproj/argo-cd/pull/15864\nhttps://github.com/argoproj/argo-cd/releases/tag/v3.3.15\nhttps://github.com/argoproj/argo-cd/releases/tag/v3.4.10\nhttps://github.com/argoproj/argo-cd/releases/tag/v3.5.4\nhttps://github.com/argoproj/argo-cd/releases/tag/v3.6.0-rc2\nhttps://github.com/argoproj/argo-cd/security/advisories/GHSA-j6cw-g6p4-7hch"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.11.0,2.14.21]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.0.0,3.3.15)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.4.0,3.4.10)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.5.0,3.5.4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "3.6.0-rc1"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "argo-cd", "source": "cna", "vendor": "argoproj"}, "product": "argo-cd", "vendor": "argoproj"}], "created": "2026-10-09T18:30:11.090548+00:00", "updated": "2026-10-10T14:45:17.886059+00:00", "vendors": ["argoproj", "argoproj$PRODUCT$argo-cd"]}