{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-8850", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-05-18T15:58:16.692Z", "datePublished": "2026-05-26T16:54:23.889Z", "dateUpdated": "2026-05-26T18:40:16.281Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-05-26T16:54:23.889Z"}, "title": "IBM HTTP Server is affected by multiple vulnerabilities", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference", "type": "CWE"}]}], "affected": [{"vendor": "IBM", "product": "HTTP Server", "versions": [{"status": "affected", "version": "8.5.0", "lessThanOrEqual": "Interim Fix 002", "versionType": "semver"}, {"status": "affected", "version": "9.0", "versionType": "semver"}], "cpes": ["cpe:2.3:a:ibm:http_server:8.5:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:http_server:8.5.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:http_server:9.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:http_server:9.0.0:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service via the optional module mod_ibm_upload.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service via the optional module mod_ibm_upload.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7274065", "tags": ["vendor-advisory", "patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}}], "solutions": [{"lang": "en", "value": "IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR PH71265.\n\n\n\nFor IBM HTTP Server used by IBM WebSphere Application Server:\n\n\n\nFor V9.0.0.0 through 9.0.5.28:\n\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH71265 https://www.ibm.com/support/pages/node/7239806 \n--OR--\n\u00b7 Apply Fix Pack 9.0.5.29 or later (targeted availability 3Q2026).\u00a0\n\n\n\nFor V8.5.0.0 through 8.5.5.29:\n\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH71265 https://www.ibm.com/support/pages/node/7239806 \n--OR--\n\u00b7 Apply Fix Pack 8.5.5.30 or later (targeted availability 3Q2026).\n\n\n\n\u00a0Additional interim fixes may be available and linked off the interim fix download page.\n\n\n\nImportant Note\n\n\n\nIBM strongly suggests that all System z customers be subscribed to the System z Security Portal to receive the latest critical System z security and integrity service. 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