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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:satellite:6" ], "defaultStatus": "unaffected", "packageName": "nodejs-react-router-dom", "product": "Red Hat Satellite 6", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:red_hat_single_sign_on:7" ], "defaultStatus": "affected", "packageName": "org.keycloak-keycloak-parent", "product": "Red Hat Single Sign-On 7", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:trusted_profile_analyzer:2" ], "defaultStatus": "unaffected", "packageName": "rhtpa/rhtpa-trustification-service-rhel9", "product": "Red Hat Trusted Profile Analyzer", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:ansible_portal:2" ], "defaultStatus": "affected", "packageName": "ansible-automation-platform/automation-portal", "product": "Self-service automation portal 2", "vendor": "Red Hat" } ], "datePublic": "2026-03-26T18:59:38.000Z", "descriptions": [ { "lang": "en", "value": "A flaw was found in path-to-regexp. A remote attacker could exploit this vulnerability by providing specially crafted input that generates a regular expression with multiple sequential optional groups. This leads to an exponential growth in the generated regular expression, causing a Denial of Service (DoS) due to excessive resource consumption." } ], "metrics": [ { "other": { "content": { "namespace": "https://access.redhat.com/security/updates/classification/", "value": "Important" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "format": "CVSS" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-1333", "description": "Inefficient Regular Expression Complexity", "lang": "en", "type": "CWE" } ] } ], "references": [ { "tags": [ "vdb-entry", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/security/cve/CVE-2026-4926" }, { "name": "RHBZ#2451867", "tags": [ "issue-tracking", "x_refsource_REDHAT" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451867" }, { "tags": [ "x_sadp-csaf-vex" ], "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4926.json" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:24761" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:24762" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:17789" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:19409" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:19410" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:24866" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:13545" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:9742" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:13826" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:36651" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:40945" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:40118" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:50300" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:10175" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:9385" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:10172" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:10153" } ], "solutions": [ { "lang": "en", "value": "RHSA-2026:24761: Red Hat Ansible Automation Platform 2.5 for RHEL 8, Red Hat Ansible Automation Platform 2.5 for RHEL 9" }, { "lang": "en", "value": "RHSA-2026:24762: Red Hat Ansible Automation Platform 2.6 for RHEL 9" }, { "lang": "en", "value": "RHSA-2026:17789: Cryostat 4 on RHEL 9" }, { "lang": "en", "value": "RHSA-2026:19409: Migration Toolkit for Virtualization 2.1" }, { "lang": "en", "value": "RHSA-2026:19410: Migration Toolkit for Virtualization 2.9" }, { "lang": "en", "value": "RHSA-2026:24866: Red Hat Ansible Automation Platform 2.6" }, { "lang": "en", "value": "RHSA-2026:13545: Red Hat Ansible Automation Platform 2.6" }, { "lang": "en", "value": "RHSA-2026:9742: Red Hat Developer Hub 1.8" }, { "lang": "en", "value": "RHSA-2026:13826: Red Hat Developer Hub 1.9" }, { "lang": "en", "value": "RHSA-2026:36651: Red Hat Edge Manager 1.0" }, { "lang": "en", "value": "RHSA-2026:40945: Red Hat Edge Manager 1.1" }, { "lang": "en", "value": "RHSA-2026:40118: Red Hat Edge Manager 1.1" }, { "lang": "en", "value": "RHSA-2026:50300: Red Hat Migration Toolkit for Applications 8.1" }, { "lang": "en", "value": "RHSA-2026:10175: Red Hat OpenShift Dev Spaces 3.27" }, { "lang": "en", "value": "RHSA-2026:9385: Red Hat OpenShift distributed tracing 3.9.3" }, { "lang": "en", "value": "RHSA-2026:10172: Red Hat Trusted Artifact Signer 1.3" }, { "lang": "en", "value": "RHSA-2026:10153: Red Hat Trusted Artifact Signer 1.3" } ], "timeline": [ { "lang": "en", "time": "2026-03-26T20:03:28.427Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2026-03-26T18:59:38.000Z", "value": "Made public." } ], "title": "path-to-regexp: path-to-regexp: Denial of Service via crafted regular expressions", "workarounds": [ { "lang": "en", "value": "To mitigate this vulnerability, limit the use of multiple sequential optional groups in route patterns within applications that use `path-to-regexp`. Additionally, avoid directly passing user-controlled input as route patterns to prevent the generation of maliciously crafted regular expressions." } ], "x_adpType": "supplier", "x_generator": { "engine": "sadp-cli 1.0.0" }, "providerMetadata": { "orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "shortName": "redhat-SADP", "dateUpdated": "2026-08-25T12:05:56.696Z" } } ] } }