{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-18535", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-07-31T20:31:32.104Z", "datePublished": "2026-11-07T04:56:45.212Z", "dateUpdated": "2026-11-07T04:56:45.212Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-11-07T04:56:45.212Z" }, "title": "IBM API Connect Denial of Service", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-1333", "description": "CWE-1333 Inefficient regular expression complexity", "type": "CWE" } ] } ], "affected": [ { "vendor": "IBM", "product": "API Connect", "versions": [ { "status": "affected", "version": "12.1.0.0", "lessThanOrEqual": "12.1.1.2", "versionType": "semver" }, { "status": "affected", "version": "10.0.8.0", "lessThanOrEqual": "10.0.8.12", "versionType": "semver" } ], "defaultStatus": "unaffected", "cpes": [ "cpe:2.3:a:ibm:api_connect:12.1.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:api_connect:12.1.1.2:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:api_connect:10.0.8.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:api_connect:10.0.8.12:*:*:*:*:*:*:*" ] } ], "descriptions": [ { "lang": "en", "value": "IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 are vulnerable to a Regular Expression Denial of Service (ReDoS) attack and to improper neutralisation of wildcard query operators.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "
IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 are vulnerable to a Regular Expression Denial of Service (ReDoS) attack and to improper neutralisation of wildcard query operators.
" } ] } ], "references": [ { "url": "https://www.ibm.com/support/pages/node/7291753", "tags": [ "vendor-advisory", "patch" ] }, { "url": "https://www.ibm.com/support/pages/node/7292434", "tags": [ "vendor-advisory", "patch" ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "CRITICAL", "baseScore": 9.6, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H" } } ], "solutions": [ { "lang": "en", "value": "IBM strongly recommends addressing the vulnerability now by upgrading to v12.1.1.3\nFix Central Link: https://www.ibm.com/support/pages/node/7290205 \n\n\n\nIBM strongly recommends addressing the vulnerability now by upgrading to 10.0.8.13\n\n\n\nFix Central Link: https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm%7EWebSphere&product=ibm/WebSphere/IBM+API+Connect&release=10.0.8.12&platform=All&function=all", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "IBM strongly recommends addressing the vulnerability now by upgrading to v12.1.1.3
Fix Central Link: https://www.ibm.com/support/pages/node/7290205
IBM strongly recommends addressing the vulnerability now by upgrading to 10.0.8.13
" } ] } ], "source": { "discovery": "UNKNOWN" }, "x_generator": { "engine": "Vulnogram 1.0.5" } } } }