{"id":"CVE-2026-8856","aliases":["EUVD-2026-31903","GHSA-48g8-mw8p-w6j7"],"status":"published","title":"IBM HTTP Server is affected by multiple vulnerabilities","description":"IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service in configurations where an attacker has write access to parts of the server configuration.","severity":{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00197,"percentile":0.09458,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2026-05-26T16:56:58Z","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-2026-8856"},{"url":"https://github.com/advisories/GHSA-48g8-mw8p-w6j7"}],"sources":{"cve":[{"id":"CVE-2026-8856","title":"IBM HTTP Server is affected by multiple vulnerabilities","description":"IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service in configurations where an attacker has write access to parts of the server configuration.","status":"published","published":"2026-05-26T16:56:58.569Z","modified":"2026-05-27T13:09:04.083Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T13:48:02.226896Z"}],"euvd":[{"id":"EUVD-2026-31903","description":"IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service in configurations where an attacker has write access to parts of the server configuration.","status":"published","published":"2026-05-26T16:56:58Z","modified":"2026-05-27T13:09:04Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:21:04.78276Z"}],"ghsa":[{"id":"GHSA-48g8-mw8p-w6j7","title":"IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service in configurations where an...","description":"IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service in configurations where an attacker has write access to parts of the server configuration.","status":"published","published":"2026-05-26T18:31:51Z","modified":"2026-05-26T18:31:51Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:08:18.132911Z"}],"nvd":[{"id":"CVE-2026-8856","description":"IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service in configurations where an attacker has write access to parts of the server configuration.","status":"published","published":"2026-05-26T18:16:57.3Z","modified":"2026-07-23T11:10:00.12Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:12:20.511562Z"}]}}