{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-15573", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-07-13T07:37:48.551Z", "datePublished": "2026-08-05T13:50:03.530Z", "dateUpdated": "2026-08-31T09:43:55.904Z" }, "containers": { "cna": { "title": "Keycloak-services: keycloak-services: authorization bypass via unnormalized uri matching in pathmatcher", "metrics": [ { "other": { "content": { "value": "Important", "namespace": "https://access.redhat.com/security/updates/classification/" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1" }, "format": "CVSS" } ], "descriptions": [ { "lang": "en", "value": "A flaw was found in Keycloak's Authorization Services. The component responsible for matching request paths to security policies (PathMatcher) does not properly normalize URIs before comparison. By adding extra characters like a trailing slash or matrix parameters to a URL, an attacker can trick the system into applying a less restrictive security policy than intended. 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"packageName": "rhbk/keycloak-operator-bundle", "defaultStatus": "affected", "versions": [ { "version": "26.6.5-1", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:build_keycloak:26.6::el9" ] }, { "vendor": "Red Hat", "product": "Red Hat build of Keycloak 26.6", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "rhbk/keycloak-rhel9", "defaultStatus": "affected", "versions": [ { "version": "26.6-11", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:build_keycloak:26.6::el9" ] }, { "vendor": "Red Hat", "product": "Red Hat build of Keycloak 26.6", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "rhbk/keycloak-rhel9-operator", "defaultStatus": "affected", "versions": [ { "version": "26.6-11", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:build_keycloak:26.6::el9" ] }, { "vendor": "Red Hat", 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"defaultStatus": "affected", "cpes": [ "cpe:/a:redhat:jboss_data_grid:8" ] }, { "vendor": "Red Hat", "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack", "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html", "packageName": "keycloak-services", "defaultStatus": "unaffected", "cpes": [ "cpe:/a:redhat:jbosseapxp" ] }, { "vendor": "Red Hat", "product": "Red Hat Single Sign-On 7", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "keycloak-services", "defaultStatus": "affected", "cpes": [ "cpe:/a:redhat:red_hat_single_sign_on:7" ] } ], "references": [ { "url": "https://access.redhat.com/errata/RHSA-2026:50846", "name": "RHSA-2026:50846", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:50847", "name": "RHSA-2026:50847", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:50848", "name": "RHSA-2026:50848", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:50849", "name": "RHSA-2026:50849", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/security/cve/CVE-2026-15573", "tags": [ "vdb-entry", "x_refsource_REDHAT" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2499593", "name": "RHBZ#2499593", "tags": [ "issue-tracking", "x_refsource_REDHAT" ] } ], "datePublic": "2026-08-05T02:02:00.000Z", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-551", "description": "Incorrect Behavior Order: Authorization Before Parsing and Canonicalization", "lang": "en", "type": "CWE" } ] } ], "x_redhatCweChain": "CWE-551: Incorrect Behavior Order: Authorization Before Parsing and Canonicalization", "timeline": [ { "lang": "en", "time": "2026-07-06T23:22:09.000Z", "value": "Reported to Red Hat." }, { "lang": "en", 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