{ "document": { "aggregate_severity": { "text": "Critical" }, "category": "csaf_vex", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/oraclelinux7els/vex/2026/cve-2026-4800-els_os-oraclelinux7els.json" } ], "tracking": { "current_release_date": "2026-10-26T17:07:27Z", "generator": { "date": "2026-10-26T17:07:27Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2026-4800-ELS_OS-ORACLELINUX7ELS", "initial_release_date": "2026-03-31T20:16:00Z", "revision_history": [ { "date": "2026-03-31T20:16:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-10-23T23:35:50Z", "number": "2", "summary": "Official Publication" }, { "date": "2026-10-26T17:07:27Z", "number": "3", "summary": 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"product_reference": "pcs-0:0.9.169-3.0.1.el7_9.3.tuxcare.els2.i686", "relates_to_product_reference": "Oracle-Linux-7" }, { "category": "default_component_of", "full_product_name": { "name": "pcs-0:0.9.169-3.0.1.el7_9.3.tuxcare.els2.x86_64 as a component of Oracle Linux 7", "product_id": "Oracle-Linux-7:pcs-0:0.9.169-3.0.1.el7_9.3.tuxcare.els2.x86_64" }, "product_reference": "pcs-0:0.9.169-3.0.1.el7_9.3.tuxcare.els2.x86_64", "relates_to_product_reference": "Oracle-Linux-7" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-4800", "cwe": { "id": "CWE-94", "name": "Improper Control of Generation of Code ('Code Injection')" }, "notes": [ { "category": "description", "text": "The fix for CVE-2021-23337 added validation for the variable option in _.template but did not apply the same validation to options.imports key names, and both paths flow into the same Function() constructor sink. When an application passes untrusted input as options.imports key names, an attacker can inject default-parameter expressions that execute arbitrary code at template compilation time. Additionally, _.template uses assignInWith to merge imports, which enumerates inherited properties via for..in, so if Object.prototype has been polluted by another vector the polluted keys are copied into the imports object and passed to Function(). The issue is fixed in 4.18.1 for lodash, lodash-es, lodash-amd, and lodash.template. As a workaround, do not pass untrusted input as key names in options.imports; use only developer-controlled, static key names.", "title": "Vulnerability description" }, { "category": "other", "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.", "title": "Statement" } ], "product_status": { "known_not_affected": [ "Oracle-Linux-7:pcs-0:0.9.169-3.0.1.el7_9.3.tuxcare.els1.i686", "Oracle-Linux-7:pcs-0:0.9.169-3.0.1.el7_9.3.tuxcare.els1.x86_64", "Oracle-Linux-7:pcs-0:0.9.169-3.0.1.el7_9.3.tuxcare.els2.i686", "Oracle-Linux-7:pcs-0:0.9.169-3.0.1.el7_9.3.tuxcare.els2.x86_64", "Oracle-Linux-7:pcs-snmp-0:0.9.169-3.0.1.el7_9.3.tuxcare.els1.i686", "Oracle-Linux-7:pcs-snmp-0:0.9.169-3.0.1.el7_9.3.tuxcare.els1.x86_64", "Oracle-Linux-7:pcs-snmp-0:0.9.169-3.0.1.el7_9.3.tuxcare.els2.i686", "Oracle-Linux-7:pcs-snmp-0:0.9.169-3.0.1.el7_9.3.tuxcare.els2.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2026-4800" }, { "category": "external", "summary": "https://cna.openjsf.org/security-advisories.html", "url": "https://cna.openjsf.org/security-advisories.html" }, { 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