CVE-2025-55130 (GCVE-0-2025-55130)

Vulnerability from cvelistv5 – Published: 2026-01-20 20:41 – Updated: 2026-06-30 12:07
VLAI?
Summary
A flaw in Node.js’s Permissions model allows attackers to bypass `--allow-fs-read` and `--allow-fs-write` restrictions using crafted relative symlink paths. By chaining directories and symlinks, a script granted access only to the current directory can escape the allowed path and read sensitive files. This breaks the expected isolation guarantees and enables arbitrary file read/write, leading to potential system compromise. This vulnerability affects users of the permission model on Node.js v20, v22, v24, and v25.
Severity ?
7.1 (High)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CWE
  • CWE-289 - Authentication Bypass by Alternate Name
Assigner
References
Impacted products
Vendor Product Version
nodejs node Affected: 20.19.6 , ≤ 20.19.6 (semver)
Affected: 22.21.1 , ≤ 22.21.1 (semver)
Affected: 24.12.0 , ≤ 24.12.0 (semver)
Affected: 25.2.1 , ≤ 25.2.1 (semver)
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This breaks the expected isolation guarantees and enables arbitrary file read/write.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-281\", \"description\": \"Improper Preservation of Permissions\"}]}], \"providerMetadata\": {\"orgId\": \"0b0ca135-0b70-47e7-9f44-1890c2a1c46c\", \"shortName\": \"redhat-SADP\", \"dateUpdated\": \"2026-06-30T12:07:18.054Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-55130\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-01-22T04:55:29.925532Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-289\", \"description\": \"CWE-289 Authentication Bypass by Alternate Name\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-01-21T20:24:05.733Z\"}}], \"cna\": {\"metrics\": [{\"cvssV3_0\": {\"version\": \"3.0\", \"baseScore\": 7.1, \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N\"}}], \"affected\": [{\"vendor\": \"nodejs\", \"product\": \"node\", \"versions\": [{\"status\": \"affected\", \"version\": \"20.19.6\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"20.19.6\"}, {\"status\": \"affected\", \"version\": \"22.21.1\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"22.21.1\"}, {\"status\": \"affected\", \"version\": \"24.12.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"24.12.0\"}, {\"status\": \"affected\", \"version\": \"25.2.1\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"25.2.1\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://nodejs.org/en/blog/vulnerability/december-2025-security-releases\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A flaw in Node.js\\u2019s Permissions model allows attackers to bypass `--allow-fs-read` and `--allow-fs-write` restrictions using crafted relative symlink paths. 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      "cveMetadata": "{\"cveId\": \"CVE-2025-55130\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-30T12:07:18.054Z\", \"dateReserved\": \"2025-08-07T15:00:05.576Z\", \"assignerOrgId\": \"36234546-b8fa-4601-9d6f-f4e334aa8ea1\", \"datePublished\": \"2026-01-20T20:41:55.393Z\", \"assignerShortName\": \"hackerone\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.