{"id":"CVE-2026-44664","summary":"fast-xml-builder: Comment Value bypass regex","details":"fast-xml-builder builds XML from JSON. In 1.1.5, the fix for CVE-2026-41650 in fast-xml-parser sanitizes -- sequences in XML comment content using .replace(/--/g, '- -'). This skip the values containing three consecutive dashes (e.g., ---\u003e...), allowing an attacker to break out of an XML comment and inject arbitrary XML/HTML content. This vulnerability is fixed in 1.1.6.","aliases":["GHSA-45c6-75p6-83cc"],"modified":"2026-07-15T01:48:58.327098301Z","published":"2026-05-13T15:27:34.716Z","related":["CGA-7hpm-mm6g-4846"],"database_specific":{"cwe_ids":["CWE-91"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44664.json","cna_assigner":"GitHub_M"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44664.json"},{"type":"ADVISORY","url":"https://github.com/NaturalIntelligence/fast-xml-builder/security/advisories/GHSA-45c6-75p6-83cc"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44664"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/naturalintelligence/fast-xml-builder","events":[{"introduced":"5342696bfc93f93eb4df813fe3787edd86db96e1"},{"last_affected":"5342696bfc93f93eb4df813fe3787edd86db96e1"}],"database_specific":{"extracted_events":[{"introduced":"1.1.5"},{"last_affected":"1.1.5"}],"source":"AFFECTED_FIELD"}}],"versions":["1.1.5","v1.1.5"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-44664.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}