{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-23745", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-01-15T15:45:01.958Z", "datePublished": "2026-01-16T22:00:08.769Z", "dateUpdated": "2026-09-01T12:04:51.784Z" }, "containers": { "cna": { "title": "node-tar Vulnerable to Arbitrary File Overwrite and Symlink Poisoning via Insufficient Path Sanitization", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-22", "lang": "en", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE" } ] } ], "metrics": [ { "cvssV4_0": { "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N", "version": "4.0" } } ], "references": [ { "name": "https://github.com/isaacs/node-tar/security/advisories/GHSA-8qq5-rm4j-mr97", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/isaacs/node-tar/security/advisories/GHSA-8qq5-rm4j-mr97" }, { "name": "https://github.com/isaacs/node-tar/commit/340eb285b6d986e91969a1170d7fe9b0face405e", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/isaacs/node-tar/commit/340eb285b6d986e91969a1170d7fe9b0face405e" } ], "affected": [ { "vendor": "isaacs", "product": "node-tar", "versions": [ { "version": "< 7.5.3", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-01-16T22:00:08.769Z" }, "descriptions": [ { "lang": "en", "value": "node-tar is a Tar for Node.js. The node-tar library (<= 7.5.2) fails to sanitize the linkpath of Link (hardlink) and SymbolicLink entries when preservePaths is false (the default secure behavior). This allows malicious archives to bypass the extraction root restriction, leading to Arbitrary File Overwrite via hardlinks and Symlink Poisoning via absolute symlink targets. This vulnerability is fixed in 7.5.3." } ], "source": { "advisory": "GHSA-8qq5-rm4j-mr97", "discovery": "UNKNOWN" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-01-20T14:52:52.988465Z", "id": "CVE-2026-23745", "options": [ { "Exploitation": "poc" }, { "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": "2026-01-20T14:53:24.513Z" } }, { "affected": [ { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:10.2" ], "defaultStatus": "affected", "packageName": "linux-sgx", "product": "Red Hat Enterprise Linux 10", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "0:2.26-7.el10", "versionType": "rpm" } ] }, { "collectionURL": 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"packageName": "org.uberfire-uberfire-parent", "product": "Red Hat Process Automation 7", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:quay:3" ], "defaultStatus": "unaffected", "packageName": "quay/quay-rhel9", "product": "Red Hat Quay 3", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:satellite:6" ], "defaultStatus": "affected", "packageName": "satellite/iop-remediations-rhel9", "product": "Red Hat Satellite 6", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:red_hat_single_sign_on:7" ], "defaultStatus": "unaffected", "packageName": "org.keycloak-keycloak-parent", "product": "Red Hat Single Sign-On 7", "vendor": "Red Hat" } ], "datePublic": "2026-01-16T22:00:08.769Z", "descriptions": [ { "lang": "en", "value": "A flaw was found in the node-tar library. This vulnerability allows an attacker to craft malicious archives that, when extracted, can bypass intended security restrictions. This leads to arbitrary file overwrite and symlink poisoning, potentially allowing unauthorized modification of files on the system." } ], "metrics": [ { "other": { "content": { "namespace": "https://access.redhat.com/security/updates/classification/", "value": "Important" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "version": "3.1" }, "format": "CVSS" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-22", "description": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "lang": "en", "type": "CWE" } ] } ], "references": [ { "tags": [ "vdb-entry", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/security/cve/CVE-2026-23745" }, { "name": "RHBZ#2430538", "tags": [ "issue-tracking", "x_refsource_REDHAT" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2430538" }, { "tags": [ "x_sadp-csaf-vex" ], "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23745.json" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:18480" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:18868" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:2900" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:41928" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:3782" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:19712" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:6192" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:2926" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:2144" } ], "solutions": [ { "lang": "en", "value": "RHSA-2026:18480: Red Hat Enterprise Linux AppStream (v. 10)" }, { "lang": "en", "value": "RHSA-2026:18868: Red Hat Enterprise Linux AppStream (v. 9)" }, { "lang": "en", "value": "RHSA-2026:2900: Network Observability (NETOBSERV) 1.11.1" }, { "lang": "en", "value": "RHSA-2026:41928: Red Hat Migration Toolkit 1.8" }, { "lang": "en", "value": "RHSA-2026:3782: Red Hat OpenShift AI 2.25" }, { "lang": "en", "value": "RHSA-2026:19712: Red Hat OpenShift AI 3.3" }, { "lang": "en", "value": "RHSA-2026:6192: Red Hat OpenShift Dev Spaces 3.27" }, { "lang": "en", "value": "RHSA-2026:2926: Red Hat Trusted Artifact Signer 1.2" }, { "lang": "en", "value": "RHSA-2026:2144: Red Hat Trusted Artifact Signer 1.3" } ], "timeline": [ { "lang": "en", "time": "2026-01-16T23:01:26.508Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2026-01-16T22:00:08.769Z", "value": "Made public." } ], "title": "node-tar: tar: node-tar: Arbitrary file overwrite and symlink poisoning via unsanitized linkpaths in archives", "workarounds": [ { "lang": "en", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability." } ], "x_adpType": "supplier", "x_generator": { "engine": "sadp-cli 1.0.0" }, "providerMetadata": { "orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "shortName": "redhat-SADP", "dateUpdated": "2026-09-01T12:04:51.784Z" } } ] } }