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        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-06-28T00:55:25.426Z",
        "datePublished": "2026-06-28T01:32:55.648Z",
        "dateUpdated": "2026-06-30T14:12:50.255Z"
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            "datePublic": "2026-06-23T00:00:00.000Z",
            "title": "Gitea act_runner - Container Hardening Bypass via Workflow Container Options",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Gitea act_runner with the Docker backend (through act 0.262.0) passes a workflow's container.options string to the Docker job container's HostConfig and, when configured with privileged: false, forces only the Privileged flag off while merging options such as --pid=host, --cap-add, and --security-opt unchanged. A user who can run a workflow on a Docker-backed runner can create a job container with host namespaces and broad capabilities and escape to the host as root despite privileged mode being disabled."
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                            "lang": "en",
                            "description": "Improper Privilege Management",
                            "cweId": "CWE-269",
                            "type": "CWE"
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                    "vendor": "Gitea",
                    "product": "act_runner",
                    "defaultStatus": "affected",
                    "versions": [
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                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThanOrEqual": "0.262.0"
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                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "scope": "CHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
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                        "baseSeverity": "CRITICAL"
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            "references": [
                {
                    "url": "https://github.com/bikini/exploitarium/tree/main/gitea-act-runner-container-options-poc",
                    "name": "Proof of Concept",
                    "tags": [
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                    "name": "VulnCheck Advisory: Gitea act_runner - Container Hardening Bypass via Workflow Container Options",
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                                "timestamp": "2026-06-30T14:12:40.647304Z",
                                "id": "CVE-2026-58053",
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                "title": "CISA ADP Vulnrichment",
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