vuln-cve/data/2026/5xxx/CVE-2026-5516.json

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        "cveId": "CVE-2026-5516",
        "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
        "state": "PUBLISHED",
        "assignerShortName": "ibm",
        "dateReserved": "2026-04-03T21:59:13.972Z",
        "datePublished": "2026-05-27T13:00:04.029Z",
        "dateUpdated": "2026-06-02T16:13:02.756Z"
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            "title": "IBM WebSphere Application Server Liberty is affected by a security bypass vulnerability",
            "affected": [
                {
                    "vendor": "IBM",
                    "product": "WebSphere Application Server - Liberty",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "22.0.0.11",
                            "lessThanOrEqual": "26.0.0.5",
                            "versionType": "semver"
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                    "cpes": [
                        "cpe:2.3:a:ibm:websphere_application_server___liberty:22.0.0.11:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:websphere_application_server___liberty:26.0.0.5:*:*:*:*:*:*:*"
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                    "lang": "en",
                    "value": "IBM WebSphere Application Server - Liberty 22.0.0.11 through 26.0.0.5 IBM WebSphere Application Server Liberty could allow a remote attacker to bypass security under limited conditions by exploiting a specific timing window.",
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            "references": [
                {
                    "url": "https://www.ibm.com/support/pages/node/7273425",
                    "tags": [
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                        "patch"
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                        "attackVector": "NETWORK",
                        "attackComplexity": "HIGH",
                        "privilegesRequired": "HIGH",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "NONE",
                        "baseSeverity": "MEDIUM",
                        "baseScore": 4.4,
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N"
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                    "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 PH70798. To determine if a feature is enabled for IBM WebSphere Application Server Liberty, refer to  How to determine if Liberty is using a specific feature https://www.ibm.com/support/pages/node/6553910 . \n\nFor IBM WebSphere Application Server Liberty 22.0.0.11 - 26.0.0.5 using the appSecurity-3.0, appSecurity-4.0 or appSecurity-5.0 feature(s): \n· Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves  PH70798 https://www.ibm.com/support/pages/node/7273239 \n--OR--\n· Apply Liberty Fix Pack 26.0.0.6 or later (targeted availability 3Q2026). \n\nAdditional interim fixes may be available and linked off the interim fix download page.",
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                                "description": "CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')"
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                            "content": {
                                "timestamp": "2026-05-27T14:43:39.839723Z",
                                "id": "CVE-2026-5516",
                                "options": [
                                    {
                                        "Exploitation": "none"
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