{"id":"CVE-2026-78242","title":"Insertion of sensitive information into log file vulnerability in Apache APISIX.\n\n\n\nThis vulnerability can cause the unmasked header value to be written to the log sink under a certain response structure. \n\n\n\nThis issue affects Apache AP…","summary":"Insertion of sensitive information into log file vulnerability in Apache APISIX.\n\n\n\nThis vulnerability can cause the unmasked header value to be written to the log sink under a certain response structure. \n\n\n\nThis issue affects Apache AP…","severity":"medium","cvss":5.7,"cvssVector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","cwe":["CWE-532"],"vendor":"Apache Software Foundation","product":"Apache APISIX","affected":["apache_apisix 3.17.0"],"published":"2026-10-01","updated":"2026-10-01","sourceUpdated":"2026-10-01T12:54:27.463","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-78242","references":[{"url":"https://lists.apache.org/thread.html/qxzsyw1pbgxg4sqkc4t2g8h4w2q0mvsn","label":"security@apache.org"}],"tags":["nvd","cve.org"],"cvssSource":"cna","ingestedAt":"2026-10-01T11:42:53.817Z","slug":"CVE-2026-78242","body":"## Overview\n\nInsertion of sensitive information into log file vulnerability in Apache APISIX.\n\n\n\nThis vulnerability can cause the unmasked header value to be written to the log sink under a certain response structure. \n\n\n\nThis issue affects Apache APISIX: 3.17.0.\n\n\n\nUsers are recommended to upgrade to version 3.18.0, which fixes the issue.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":31,"depthScoreParts":{"impact":31.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}