{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-24842", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-01-27T14:51:03.059Z", "datePublished": "2026-01-28T00:20:13.261Z", "dateUpdated": "2026-09-01T12:04:48.429Z" }, "containers": { "cna": { "title": "node-tar Vulnerable to Arbitrary File Creation/Overwrite via Hardlink Path Traversal", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-22", "lang": "en", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-59", "lang": "en", "description": "CWE-59: Improper Link Resolution Before File Access ('Link Following')", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N", "version": "3.1" } } ], "references": [ { "name": "https://github.com/isaacs/node-tar/security/advisories/GHSA-34x7-hfp2-rc4v", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/isaacs/node-tar/security/advisories/GHSA-34x7-hfp2-rc4v" }, { "name": "https://github.com/isaacs/node-tar/commit/f4a7aa9bc3d717c987fdf1480ff7a64e87ffdb46", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/isaacs/node-tar/commit/f4a7aa9bc3d717c987fdf1480ff7a64e87ffdb46" } ], "affected": [ { "vendor": "isaacs", "product": "node-tar", "versions": [ { "version": "< 7.5.7", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-01-28T00:20:13.261Z" }, "descriptions": [ { "lang": "en", "value": "node-tar,a Tar for Node.js, contains a vulnerability in versions prior to 7.5.7 where the security check for hardlink entries uses different path resolution semantics than the actual hardlink creation logic. This mismatch allows an attacker to craft a malicious TAR archive that bypasses path traversal protections and creates hardlinks to arbitrary files outside the extraction directory. 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"cpe:/a:redhat:openshift_data_foundation:4" ], "defaultStatus": "unaffected", "packageName": "odf4/odf-multicluster-console-rhel9", "product": "Red Hat Openshift Data Foundation 4", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:openshift_devspaces:3" ], "defaultStatus": "unaffected", "packageName": "devspaces/code-sshd-rhel9", "product": "Red Hat OpenShift Dev Spaces", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:openshift_devspaces:3" ], "defaultStatus": "unaffected", "packageName": "devspaces/machineexec-rhel9", "product": "Red Hat OpenShift Dev Spaces", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:jboss_enterprise_bpms_platform:7" ], "defaultStatus": "unaffected", "packageName": "org.kie.workbench-kie-wb-common", "product": "Red Hat Process Automation 7", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:jboss_enterprise_bpms_platform:7" ], "defaultStatus": "unaffected", "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:red_hat_single_sign_on:7" ], "defaultStatus": "unaffected", "packageName": "org.keycloak-keycloak-parent", "product": "Red Hat Single Sign-On 7", "vendor": "Red Hat" } ], "datePublic": "2026-01-28T00:20:13.261Z", "descriptions": [ { "lang": "en", "value": "A flaw was found in node-tar, a Node.js module for handling TAR archives. This vulnerability allows a remote attacker to bypass path traversal protections by crafting a malicious TAR archive. The security check for hardlink entries uses different path resolution logic than the actual hardlink creation, enabling the attacker to create hardlinks to arbitrary files outside the intended extraction directory. This could lead to unauthorized information disclosure or further system compromise." } ], "metrics": [ { "other": { "content": { "namespace": "https://access.redhat.com/security/updates/classification/", "value": "Important" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N", "version": "3.1" }, "format": "CVSS" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-59", "description": "Improper Link Resolution Before File Access ('Link Following')", "lang": "en", "type": "CWE" } ] } ], "references": [ { "tags": [ "vdb-entry", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/security/cve/CVE-2026-24842" }, { "name": "RHBZ#2433645", "tags": [ "issue-tracking", "x_refsource_REDHAT" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2433645" }, { "tags": [ "x_sadp-csaf-vex" ], "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-24842.json" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:33371" }, { "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-2026:6192" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:5447" } ], "solutions": [ { "lang": "en", "value": "RHSA-2026:33371: Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7 Server" }, { "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-2026:6192: Red Hat OpenShift Dev Spaces 3.27" }, { "lang": "en", "value": "RHSA-2026:5447: Red Hat Trusted Artifact Signer 1.3" } ], "timeline": [ { "lang": "en", "time": "2026-01-28T01:01:16.886Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2026-01-28T00:20:13.261Z", "value": "Made public." } ], "title": "node-tar: tar: node-tar: Arbitrary file creation via path traversal bypass in hardlink security check", "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": "2026-09-01T12:04:48.429Z" } } ] } }