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        "cveId": "CVE-2026-10303",
        "assignerOrgId": "44488dab-36db-4358-99f9-bc116477f914",
        "state": "PUBLISHED",
        "assignerShortName": "runZero",
        "dateReserved": "2026-05-31T21:05:04.476Z",
        "datePublished": "2026-06-16T18:24:43.712Z",
        "dateUpdated": "2026-06-17T15:18:11.930Z"
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            "title": "ServerCo getssl ACME shell script path injection",
            "datePublic": "2026-06-16T18:20:00.000Z",
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                            "lang": "en",
                            "cweId": "CWE-73",
                            "description": "CWE-73 External control of file name or path",
                            "type": "CWE"
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            "affected": [
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                    "vendor": "ServerCo",
                    "product": "getssl",
                    "repo": "https://github.com/srvrco/getssl",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThanOrEqual": "2.49",
                            "versionType": "custom"
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                    "value": "In ServerCo getssl version 2.49 and prior, the ACME challenge token returned to the client was not strictly validated against RFC 8555 before being used in challenge-file handling, allowing a maliciously crafted token to influence local path/filename usage during validation. An attacker who can supply ACME challenge responses to getssl (for example, a malicious or compromised CA endpoint, or an on-path adversary able to tamper with that response path) could exploit this to achieve unauthorized file write/path traversal effects, usually with elevated privileges, ultimately allowing for remote command injection. This issue appears related in spirit to CVE-2023-38198, and is an instance of CWE-73, \"External control of file name or path.\" Other ACME shell script handlers may be affected by similar issues.",
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                            "value": "In ServerCo getssl version 2.49 and prior, the ACME challenge token returned to the client was not strictly validated against RFC 8555 before being used in challenge-file handling, allowing a maliciously crafted token to influence local path/filename usage during validation. An attacker who can supply ACME challenge responses to getssl (for example, a malicious or compromised CA endpoint, or an on-path adversary able to tamper with that response path) could exploit this to achieve unauthorized file write/path traversal effects, usually with elevated privileges, ultimately allowing for remote command injection. This issue appears related in spirit to CVE-2023-38198, and is an instance of CWE-73, \"External control of file name or path.\" Other ACME shell script handlers may be affected by similar issues."
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://github.com/srvrco/getssl/pull/896",
                    "tags": [
                        "mitigation"
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                },
                {
                    "url": "https://remyhax.xyz/posts/reproducing-lawful-tls-wiretapping/",
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                        "related"
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                    "url": "https://www.cve.org/CVERecord?id=CVE-2023-38198",
                    "tags": [
                        "related"
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                },
                {
                    "url": "https://www.runzero.com/advisories/serverco-getssl-acme-cmd-injection-cve-2026-10303/",
                    "tags": [
                        "third-party-advisory"
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                    "url": "https://github.com/srvrco/getssl/releases/tag/v2.50",
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                        "version": "3.1",
                        "attackVector": "NETWORK",
                        "attackComplexity": "HIGH",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "NONE",
                        "baseSeverity": "HIGH",
                        "baseScore": 7.4,
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                    "value": "remy",
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                                "timestamp": "2026-06-17T15:17:32.277126Z",
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