{"id":"CVE-2026-49091","aliases":["EUVD-2026-41101","GHSA-787j-ggjh-rhm6"],"status":"published","title":"Improper Output Neutralization for Logs in Kibana Leading to Log Injection","description":"Improper Output Neutralization for Logs (CWE-117) in Kibana can lead to log injection via Log Injection-Tampering-Forging (CAPEC-93). An attacker can supply specially crafted input that is written to log files without proper neutralization. When the log files are subsequently viewed in a terminal that interprets control sequences, the injected content may alter the displayed log data.","severity":{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00317,"percentile":0.24871,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-116"],"published":"2026-07-01T17:21:28Z","modified":"2026-10-28T02:31:02Z","products":[{"vendor":"elastic","product":"kibana"}],"references":[{"url":"https://discuss.elastic.co/t/kibana-7-17-15-8-11-1-security-update-esa-2026-53","tags":["Vendor Advisory","Mitigation","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49091","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-787j-ggjh-rhm6"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49091.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-49091","title":"Improper Output Neutralization for Logs in Kibana Leading to Log Injection","description":"Improper Output Neutralization for Logs (CWE-117) in Kibana can lead to log injection via Log Injection-Tampering-Forging (CAPEC-93). An attacker can supply specially crafted input that is written to log files without proper neutralization. When the log files are subsequently viewed in a terminal that interprets control sequences, the injected content may alter the displayed log data.","status":"published","published":"2026-07-01T17:21:28.544Z","modified":"2026-07-02T03:57:31.736Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T13:34:59.78118Z"}],"euvd":[{"id":"EUVD-2026-41101","description":"Improper Output Neutralization for Logs (CWE-117) in Kibana can lead to log injection via Log Injection-Tampering-Forging (CAPEC-93). An attacker can supply specially crafted input that is written to log files without proper neutralization. When the log files are subsequently viewed in a terminal that interprets control sequences, the injected content may alter the displayed log data.","status":"published","published":"2026-07-01T17:21:28Z","modified":"2026-07-02T03:57:31Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:20:18.134523Z"}],"ghsa":[{"id":"GHSA-787j-ggjh-rhm6","title":"Improper Output Neutralization for Logs (CWE-117) in Kibana can lead to log injection via Log...","description":"Improper Output Neutralization for Logs (CWE-117) in Kibana can lead to log injection via Log Injection-Tampering-Forging (CAPEC-93). An attacker can supply specially crafted input that is written to log files without proper neutralization. When the log files are subsequently viewed in a terminal that interprets control sequences, the injected content may alter the displayed log data.","status":"published","published":"2026-07-01T18:31:56Z","modified":"2026-07-01T18:32:05Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T15:09:09.679694Z"}],"nvd":[{"id":"CVE-2026-49091","description":"Improper Output Neutralization for Logs (CWE-117) in Kibana can lead to log injection via Log Injection-Tampering-Forging (CAPEC-93). An attacker can supply specially crafted input that is written to log files without proper neutralization. When the log files are subsequently viewed in a terminal that interprets control sequences, the injected content may alter the displayed log data.","status":"published","published":"2026-07-01T18:16:34.04Z","modified":"2026-10-25T17:10:00.197Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T14:12:27.199837Z"}],"osv":[{"id":"CVE-2026-49091","title":"Improper Output Neutralization for Logs in Kibana Leading to Log Injection","description":"Improper Output Neutralization for Logs (CWE-117) in Kibana can lead to log injection via Log Injection-Tampering-Forging (CAPEC-93). An attacker can supply specially crafted input that is written to log files without proper neutralization. When the log files are subsequently viewed in a terminal that interprets control sequences, the injected content may alter the displayed log data.","status":"published","published":"2026-07-01T17:21:28.544Z","modified":"2026-10-28T02:31:02.357980988Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T15:45:07.060148Z"}]}}