CVE-2026-8835

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-8835", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-05-18T14:10:22.837Z", "datePublished": "2026-05-26T17:11:19.853Z", "dateUpdated": "2026-05-26T18:52:37.441Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-05-26T17:11:19.853Z"}, "title": "IBM HTTP Server is affected by multiple vulnerabilities", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-822", "description": "CWE-822 Untrusted 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 invalid pointer dereference. A privileged user, authenticated to the Administration Server, could exploit this vulnerability to expose sensitive information or cause a denial of service.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM HTTP Server 8.5, and 9.0 is vulnerable to invalid pointer dereference. A privileged user, authenticated to the Administration Server, could exploit this vulnerability to expose sensitive information or cause a denial of service.</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": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 7.3, "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/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.For IBM HTTP Server used by IBM WebSphere Application Server:For V9.0.0.0 through 9.0.5.28:\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH71265--OR--\u00b7 Apply Fix Pack 9.0.5.29 or later (targeted availability 3Q2026).\u00a0For V8.5.0.0 through 8.5.5.29:\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH71265--OR--\u00b7 Apply Fix Pack 8.5.5.30 or later (targeted availability 3Q2026).\u00a0Additional interim fixes may be available and linked off the interim fix download page.Important NoteIBM 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. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR PH71265.</p><p><strong>For IBM HTTP Server used by IBM WebSphere Application Server:</strong></p><p><strong>For V9.0.0.0 through 9.0.5.28:</strong><br>\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves <a href=\"https://www.ibm.com/support/pages/node/7239806\" rel=\"nofollow\">PH71265</a><br>--OR--<br>\u00b7 Apply Fix Pack 9.0.5.29 or later (targeted availability 3Q2026).&nbsp;</p><p><strong>For V8.5.0.0 through 8.5.5.29:</strong><br>\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves <a href=\"https://www.ibm.com/support/pages/node/7239806\" rel=\"nofollow\">PH71265</a><br>--OR--<br>\u00b7 Apply Fix Pack 8.5.5.30 or later (targeted availability 3Q2026).</p><p>&nbsp;Additional interim fixes may be available and linked off the interim fix download page.</p><p>Important Note</p><p>IBM 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. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk.</p>"}]}], "x_generator": {"engine": "ibm-cvegen"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-26T18:52:22.317525Z", "id": "CVE-2026-8835", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-26T18:52:37.441Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-8835", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-26T18:52:22.317525Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-26T18:52:25.895Z"}}], "cna": {"title": "IBM HTTP Server is affected by multiple vulnerabilities", "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.3, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"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:*:*:*:*:*:*:*"], "vendor": "IBM", "product": "HTTP Server", "versions": [{"status": "affected", "version": "8.5.0", "versionType": "semver", "lessThanOrEqual": "Interim Fix 002"}, {"status": "affected", "version": "9.0", "versionType": "semver"}]}], "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.For IBM HTTP Server used by IBM WebSphere Application Server:For V9.0.0.0 through 9.0.5.28:\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH71265--OR--\u00b7 Apply Fix Pack 9.0.5.29 or later (targeted availability 3Q2026).\u00a0For V8.5.0.0 through 8.5.5.29:\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH71265--OR--\u00b7 Apply Fix Pack 8.5.5.30 or later (targeted availability 3Q2026).\u00a0Additional interim fixes may be available and linked off the interim fix download page.Important NoteIBM 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. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk.", "supportingMedia": [{"type": "text/html", "value": "<p>IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR PH71265.</p><p><strong>For IBM HTTP Server used by IBM WebSphere Application Server:</strong></p><p><strong>For V9.0.0.0 through 9.0.5.28:</strong><br>\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves <a href=\"https://www.ibm.com/support/pages/node/7239806\" rel=\"nofollow\">PH71265</a><br>--OR--<br>\u00b7 Apply Fix Pack 9.0.5.29 or later (targeted availability 3Q2026).&nbsp;</p><p><strong>For V8.5.0.0 through 8.5.5.29:</strong><br>\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves <a href=\"https://www.ibm.com/support/pages/node/7239806\" rel=\"nofollow\">PH71265</a><br>--OR--<br>\u00b7 Apply Fix Pack 8.5.5.30 or later (targeted availability 3Q2026).</p><p>&nbsp;Additional interim fixes may be available and linked off the interim fix download page.</p><p>Important Note</p><p>IBM 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. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk.</p>", "base64": false}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7274065", "tags": ["vendor-advisory", "patch"]}], "x_generator": {"engine": "ibm-cvegen"}, "descriptions": [{"lang": "en", "value": "IBM HTTP Server 8.5, and 9.0 is vulnerable to invalid pointer dereference. A privileged user, authenticated to the Administration Server, could exploit this vulnerability to expose sensitive information or cause a denial of service.", "supportingMedia": [{"type": "text/html", "value": "<p>IBM HTTP Server 8.5, and 9.0 is vulnerable to invalid pointer dereference. A privileged user, authenticated to the Administration Server, could exploit this vulnerability to expose sensitive information or cause a denial of service.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-822", "description": "CWE-822 Untrusted Pointer Dereference"}]}], "providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-05-26T17:11:19.853Z"}}}, "cveMetadata": {"cveId": "CVE-2026-8835", "state": "PUBLISHED", "dateUpdated": "2026-05-26T18:52:37.441Z", "dateReserved": "2026-05-18T14:10:22.837Z", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "datePublished": "2026-05-26T17:11:19.853Z", "assignerShortName": "ibm"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"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:*:*:*:*:*:*:*"], "product": "HTTP Server", "vendor": "IBM", "versions": [{"lessThanOrEqual": "Interim Fix 002", "status": "affected", "version": "8.5.0", "versionType": "semver"}, {"status": "affected", "version": "9.0", "versionType": "semver"}]}], "source": "psirt@us.ibm.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ibm:http_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "D02EA5D6-7556-4C20-A991-6DC5F6B7351B", "versionEndExcluding": "8.5.5.30", "versionStartIncluding": "8.5.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:ibm:http_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "F7790D7F-B70F-4278-877B-DE501C60A9B5", "versionEndExcluding": "9.0.5.29", "versionStartIncluding": "9.0.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:*", "matchCriteriaId": "E492C463-D76E-49B7-A4D4-3B499E422D89", "vulnerable": false}, {"criteria": "cpe:2.3:o:ibm:z\\/os:-:*:*:*:*:*:*:*", "matchCriteriaId": "0E97A964-6F9E-4C87-9B90-21AE2C1DF52F", "vulnerable": false}, {"criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1", "vulnerable": false}, {"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM HTTP Server 8.5, and 9.0 is vulnerable to invalid pointer dereference. A privileged user, authenticated to the Administration Server, could exploit this vulnerability to expose sensitive information or cause a denial of service."}, {"lang": "es", "value": "IBM HTTP Server 8.5 y 9.0 es vulnerable a desreferencia de puntero no v\u00e1lida. Un usuario privilegiado, autenticado en el Servidor de Administraci\u00f3n, podr\u00eda explotar esta vulnerabilidad para exponer informaci\u00f3n sensible o causar una denegaci\u00f3n de servicio."}], "id": "CVE-2026-8835", "lastModified": "2026-07-23T11:10:00.120", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 5.2, "source": "psirt@us.ibm.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-8835", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-26T18:52:22.317525Z", "version": "2.0.3"}}]}, "published": "2026-05-26T18:16:56.803", "references": [{"source": "psirt@us.ibm.com", "tags": ["Vendor Advisory"], "url": "https://www.ibm.com/support/pages/node/7274065"}], "sourceIdentifier": "psirt@us.ibm.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-822"}], "source": "psirt@us.ibm.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[8.5.0,Interim Fix 002]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "9.0"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "HTTP Server", "source": "cna", "vendor": "IBM"}, "product": "http_server", "vendor": "ibm"}], "created": "2026-05-26T20:45:06.390510+00:00", "updated": "2026-05-26T21:45:16.470706+00:00", "vendors": ["ibm", "ibm$PRODUCT$http_server"]}