{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-61785", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-09-30T19:43:49.902Z", "datePublished": "2025-10-08T00:37:01.869Z", "dateUpdated": "2025-10-08T00:37:01.869Z"}, "containers": {"cna": {"title": "Deno's --deny-write check does not prevent permission bypass", "problemTypes": [{"descriptions": [{"cweId": "CWE-266", "lang": "en", "description": "CWE-266: Incorrect Privilege Assignment", "type": "CWE"}]}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.0"}}], "references": [{"name": "https://github.com/denoland/deno/security/advisories/GHSA-vg2r-rmgp-cgqj", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/denoland/deno/security/advisories/GHSA-vg2r-rmgp-cgqj"}, {"name": "https://github.com/denoland/deno/pull/30872", "tags": ["x_refsource_MISC"], "url": "https://github.com/denoland/deno/pull/30872"}, {"name": "https://github.com/denoland/deno/commit/992e998dfe436cdc9325232759af8be92f11739b", "tags": ["x_refsource_MISC"], "url": "https://github.com/denoland/deno/commit/992e998dfe436cdc9325232759af8be92f11739b"}, {"name": "https://github.com/denoland/deno/releases/tag/v2.2.15", "tags": ["x_refsource_MISC"], "url": "https://github.com/denoland/deno/releases/tag/v2.2.15"}, {"name": "https://github.com/denoland/deno/releases/tag/v2.5.3", "tags": ["x_refsource_MISC"], "url": "https://github.com/denoland/deno/releases/tag/v2.5.3"}], "affected": [{"vendor": "denoland", "product": "deno", "versions": [{"version": ">= 2.3.0, < 2.5.3", "status": "affected"}, {"version": "< 2.2.15", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-10-08T00:37:01.869Z"}, "descriptions": [{"lang": "en", "value": "Deno is a JavaScript, TypeScript, and WebAssembly runtime. In versions prior to 2.5.3 and 2.2.15, `Deno.FsFile.prototype.utime` and `Deno.FsFile.prototype.utimeSync` are not limited by the permission model check `--deny-write=./`. It's possible to change to change the access (`atime`) and modification (`mtime`) times on the file stream resource even when the file is opened with `read` only permission (and `write`: `false`) and file write operations are not allowed (the script is executed with `--deny-write=./`). Similar APIs like `Deno.utime` and `Deno.utimeSync` require\u00a0`allow-write`\u00a0permission, however, when a file is opened, even with read only flags and deny-write permission, it's still possible to change the access (`atime`) and modification (`mtime`) times, and thus bypass the permission model. Versions 2.5.3 and 2.2.15 fix the issue."}], "source": {"advisory": "GHSA-vg2r-rmgp-cgqj", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Deno is a JavaScript, TypeScript, and WebAssembly runtime. In versions prior to 2.5.3 and 2.2.15, `Deno.FsFile.prototype.utime` and `Deno.FsFile.prototype.utimeSync` are not limited by the permission model check `--deny-write=./`. It's possible to change to change the access (`atime`) and modification (`mtime`) times on the file stream resource even when the file is opened with `read` only permission (and `write`: `false`) and file write operations are not allowed (the script is executed with `--deny-write=./`). Similar APIs like `Deno.utime` and `Deno.utimeSync` require\u00a0`allow-write`\u00a0permission, however, when a file is opened, even with read only flags and deny-write permission, it's still possible to change the access (`atime`) and modification (`mtime`) times, and thus bypass the permission model. Versions 2.5.3 and 2.2.15 fix the issue."}], "id": "CVE-2025-61785", "lastModified": "2025-10-08T01:15:32.847", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2025-10-08T01:15:32.847", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/denoland/deno/commit/992e998dfe436cdc9325232759af8be92f11739b"}, {"source": "security-advisories@github.com", "url": "https://github.com/denoland/deno/pull/30872"}, {"source": "security-advisories@github.com", "url": "https://github.com/denoland/deno/releases/tag/v2.2.15"}, {"source": "security-advisories@github.com", "url": "https://github.com/denoland/deno/releases/tag/v2.5.3"}, {"source": "security-advisories@github.com", "url": "https://github.com/denoland/deno/security/advisories/GHSA-vg2r-rmgp-cgqj"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-266"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}