{"id":"CVE-2026-12243","title":"Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.","summary":"Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-22"],"vendor":"Red Hat","product":"Red Hat OpenShift AI 3.4","affected":["exploit_intelligence","ansible_automation_platform 2","openshift_ai_rhoai","openshift_ai 2.25","openshift_ai 3.4"],"patched":["openshift_ai 2.25","openshift_ai 3.4"],"published":"2026-06-30","updated":"2026-10-16","sourceUpdated":"2026-10-16T14:10:00.120","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-12243","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12243.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-12243"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2494748"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-12243"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12243"},{"url":"https://huntr.com/bounties/39aa9354-54ca-4e77-96da-580eb1fe6ed1"},{"url":"https://access.redhat.com/errata/RHSA-2026:65126"},{"url":"https://access.redhat.com/errata/RHSA-2026:60520"},{"url":"https://access.redhat.com/errata/RHSA-2026:84734"},{"url":"https://github.com/nltk/nltk/security/advisories/GHSA-m42h-3232-vpv3"},{"url":"https://github.com/nltk/nltk/issues/3504"},{"url":"https://github.com/nltk/nltk/pull/3522"},{"url":"https://github.com/nltk/nltk/commit/aec4fce1b84ad725b8975f7365b23a4f626572a9"},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/nltk/PYSEC-2026-597.yaml"},{"url":"https://securityinfinity.com/research/path-traversal-in-nltks-nltk-data-load-via-percent-encoded-sequences"},{"url":"https://github.com/advisories/GHSA-m42h-3232-vpv3"}],"tags":["nvd","exploit-available","csaf","vex","red-hat","ghsa","pip"],"exploits":{"github":1,"githubRepos":["https://github.com/morzelowski/CVE-2026-12243-NLTK-PoC"],"checkedAt":"2026-10-27T18:52:45.374Z"},"exploitAvailable":true,"aliases":["GHSA-m42h-3232-vpv3"],"ecosystem":"pip","cvssSource":"vendor","ingestedAt":"2026-08-13T21:07:31.849Z","slug":"CVE-2026-12243","body":"## Overview\n\nRejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-12243)\n\nAffected packages:\n\n- `nltk < 3.10.0`\n\nPatched in:\n\n- `nltk 3.10.0`\n\nSource: https://github.com/advisories/GHSA-m42h-3232-vpv3\n\n## Vendor advisories\n\n- **RHSA-2026:65126** · Red Hat · fixed in: Red Hat OpenShift AI 2.25 · released 2026-09-08 · [advisory](https://access.redhat.com/errata/RHSA-2026:65126)\n- **RHSA-2026:60520** · Red Hat · fixed in: Red Hat OpenShift AI 3.4 · released 2026-08-27 · [advisory](https://access.redhat.com/errata/RHSA-2026:60520)\n- **RHSA-2026:84734** · Red Hat · fixed in: Red Hat OpenShift AI 3.4 · released 2026-10-19 · [advisory](https://access.redhat.com/errata/RHSA-2026:84734)\n- **Red Hat VEX** · Important · affected: Exploit Intelligence, Red Hat Ansible Automation Platform 2, Red Hat OpenShift AI (RHOAI) · no fix planned: Red Hat Ansible Automation Platform 2, Exploit Intelligence, Red Hat OpenShift AI (RHOAI) · updated 2026-10-19 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12243.json)","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":4938,"id":"CVE-2026-12243","ts":1788887217870,"field":"exploit_available","old":"false","new":"true"},{"seq":3821,"id":"CVE-2026-12243","ts":1788886349679,"field":"exploit_available","old":"true","new":"false"},{"seq":2659,"id":"CVE-2026-12243","ts":1788883015400,"field":"exploit_available","old":"false","new":"true"},{"seq":1688,"id":"CVE-2026-12243","ts":1788882419383,"field":"exploit_available","old":"true","new":"false"},{"seq":796,"id":"CVE-2026-12243","ts":1788881853196,"field":"exploit_available","old":"false","new":"true"}]}