{"id":"CVE-2026-8855","aliases":["EUVD-2026-31905","GHSA-rjqm-vgmr-8cp8"],"status":"published","title":"IBM HTTP Server is affected by multiple vulnerabilities","description":"IBM HTTP Server 8.5, and 9.0 is vulnerable to remote code execution and denial of service in configurations with TLS mutual authentication (client authentication).","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00456,"percentile":0.39909,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2026-05-26T16:58:54Z","modified":"2026-07-23T11:10:00Z","products":[{"vendor":"ibm","product":"http server"},{"vendor":"ibm","product":"http_server"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7274065","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8855"},{"url":"https://github.com/advisories/GHSA-rjqm-vgmr-8cp8"}],"sources":{"cve":[{"id":"CVE-2026-8855","title":"IBM HTTP Server is affected by multiple vulnerabilities","description":"IBM HTTP Server 8.5, and 9.0 is vulnerable to remote code execution and denial of service in configurations with TLS mutual authentication (client authentication).","status":"published","published":"2026-05-26T16:58:54.958Z","modified":"2026-05-28T03:55:43.422Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T13:48:02.226896Z"}],"euvd":[{"id":"EUVD-2026-31905","description":"IBM HTTP Server 8.5, and 9.0 is vulnerable to remote code execution and denial of service in configurations with TLS mutual authentication (client authentication).","status":"published","published":"2026-05-26T16:58:54Z","modified":"2026-05-28T03:55:43Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:21:03.0662Z"}],"ghsa":[{"id":"GHSA-rjqm-vgmr-8cp8","title":"IBM HTTP Server 8.5, and 9.0 is vulnerable to remote code execution and denial of service in...","description":"IBM HTTP Server 8.5, and 9.0 is vulnerable to remote code execution and denial of service in configurations with TLS mutual authentication (client authentication).","status":"published","published":"2026-05-26T18:31:51Z","modified":"2026-05-26T18:31:59Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:08:18.762226Z"}],"nvd":[{"id":"CVE-2026-8855","description":"IBM HTTP Server 8.5, and 9.0 is vulnerable to remote code execution and denial of service in configurations with TLS mutual authentication (client authentication).","status":"published","published":"2026-05-26T18:16:57.17Z","modified":"2026-07-23T11:10:00.12Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:12:20.511562Z"}]}}