{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-22873", "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "state": "PUBLISHED", "assignerShortName": "Go", "dateReserved": "2025-01-08T19:11:42.835Z", "datePublished": "2026-02-04T23:05:24.803Z", "dateUpdated": "2026-02-05T15:03:55.451Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "shortName": "Go", "dateUpdated": "2026-02-04T23:05:24.803Z"}, "title": "Improper access to parent directory of root in os", "descriptions": [{"lang": "en", "value": "It was possible to improperly access the parent directory of an os.Root by opening a filename ending in \"../\". For example, Root.Open(\"../\") would open the parent directory of the Root. This escape only permits opening the parent directory itself, not ancestors of the parent or files contained within the parent."}], "affected": [{"vendor": "Go standard library", "product": "os", "collectionURL": "https://pkg.go.dev", "packageName": "os", "versions": [{"version": "0", "lessThan": "1.23.9", "status": "affected", "versionType": "semver"}, {"version": "1.24.0-0", "lessThan": "1.24.3", "status": "affected", "versionType": "semver"}], "programRoutines": [{"name": "splitPathInRoot"}, {"name": "checkPathEscapesInternal"}, {"name": "doInRoot"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-23: Relative Path Traversal"}]}], "references": [{"url": "https://go.dev/cl/670036"}, {"url": "https://go.dev/issue/73555"}, {"url": "https://groups.google.com/g/golang-announce/c/UZoIkUT367A/m/5WDxKizJAQAJ"}, {"url": "https://pkg.go.dev/vuln/GO-2026-4403"}], "credits": [{"lang": "en", "value": "Dan Sebastian Thrane of SDU eScience Center"}]}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2025/05/06/2"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-02-04T23:08:02.625Z"}}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-23", "lang": "en", "description": "CWE-23 Relative Path Traversal"}]}], "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 3.8, "attackVector": "LOCAL", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-02-05T15:03:11.291122Z", "id": "CVE-2025-22873", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-05T15:03:55.451Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "It was possible to improperly access the parent directory of an os.Root by opening a filename ending in \"../\". For example, Root.Open(\"../\") would open the parent directory of the Root. This escape only permits opening the parent directory itself, not ancestors of the parent or files contained within the parent."}], "id": "CVE-2025-22873", "lastModified": "2026-02-05T15:16:06.713", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 3.8, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.0, "impactScore": 1.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2026-02-04T23:15:54.220", "references": [{"source": "security@golang.org", "url": "https://go.dev/cl/670036"}, {"source": "security@golang.org", "url": "https://go.dev/issue/73555"}, {"source": "security@golang.org", "url": "https://groups.google.com/g/golang-announce/c/UZoIkUT367A/m/5WDxKizJAQAJ"}, {"source": "security@golang.org", "url": "https://pkg.go.dev/vuln/GO-2026-4403"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2025/05/06/2"}], "sourceIdentifier": "security@golang.org", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-23"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"created": "2026-02-05T11:39:25.206240+00:00", "updated": "2026-02-05T11:39:25.206268+00:00", "vendors": ["go_standard_library", "go_standard_library$PRODUCT$os"]}