Vulnerabilities
Misconfiguration
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CVE Vulnerabilities

CVE-2026-48801

Inefficient Regular Expression Complexity

Published: Jul 14, 2026 | Modified: Aug 06, 2026
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
7.5 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-48801
CWEhttps://cwe.mitre.org/data/definitions/1333.html

linkify-it is a links recognition library with full Unicode support. Prior to 5.0.1, LinkifyIt.prototype.match, the packages primary public API, has O(N²) algorithmic complexity for inputs containing many fuzzy links or emails because the JavaScript-level scan loop re-slices input and re-runs unanchored regex searches on progressively shorter tails. Any service that synchronously renders untrusted Markdown with linkify:true on a request hot path can inherit a worker-process denial of service triggerable by a tens-of-KB request body. This issue is fixed in version 5.0.1.

Weakness

The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.

Affected Software

NameVendorStart VersionEnd Version
Linkify-itMarkdown-it*5.0.1 (excluding)
Red Hat Enterprise Linux 10RedHatrh-podman-desktop-0:1.1.2-1.el10_2*
Red Hat Ansible Automation Platform 2.1RedHatansible-automation-platform/automation-portal:1785854226*
Red Hat Ansible Automation Platform 2.2RedHatansible-automation-platform/automation-portal:1784622951*
Red Hat Ansible Automation Platform 2.2RedHatansible-automation-platform/bootc-automation-portal-rhel9:1786006573*
Red Hat Developer Hub 1.10RedHatrhdh/red-hat-developer-hub-backstage-plugin-orchestrator-backend:1785332825*
Red Hat Developer Hub 1.10RedHatrhdh/red-hat-developer-hub-backstage-plugin-orchestrator-backend-module-loki:1785332668*
Red Hat Developer Hub 1.10RedHatrhdh/red-hat-developer-hub-backstage-plugin-scaffolder-backend-module-orchestrator:1785332694*
Red Hat Developer Hub 1.10RedHatrhdh/rhdh-hub-rhel9:1785411652*
Red Hat Hardened ImagesRedHatrust-main-1.97.0-1.1.hum1*
Red Hat OpenShift AI 3.4RedHatrhoai/odh-workbench-codeserver-datascience-cpu-py312-rhel9:1787121387*
Red Hat OpenShift Container Platform 4.19RedHatopenshift4/ose-monitoring-plugin-rhel9:1788318661*
Red Hat OpenShift Container Platform 4.19RedHatopenshift4/ose-console-rhel9:1788573287*
Red Hat OpenShift Container Platform 4.19RedHatopenshift4/ose-networking-console-plugin-rhel9:1788587831*
Red Hat OpenShift Container Platform 4.20RedHatopenshift4/ose-console-rhel9:1787737695*
Red Hat OpenShift Container Platform 4.20RedHatopenshift4/ose-monitoring-plugin-rhel9:1787736396*
Red Hat OpenShift Container Platform 4.20RedHatopenshift4/ose-networking-console-plugin-rhel9:1789009167*
Red Hat OpenShift Container Platform 4.21RedHatopenshift4/ose-console-rhel9:1787590523*
Red Hat OpenShift Container Platform 4.21RedHatopenshift4/ose-monitoring-plugin-rhel9:1787590390*
Red Hat OpenShift Container Platform 4.21RedHatopenshift4/ose-networking-console-plugin-rhel9:1788928679*
Red Hat OpenShift Container Platform 4.22RedHatopenshift4/ose-console-rhel9:1785910938*
Red Hat OpenShift Container Platform 4.22RedHatopenshift4/ose-monitoring-plugin-rhel9:1787730804*
Red Hat OpenShift Container Platform 4.22RedHatopenshift4/ose-networking-console-plugin-rhel9:1787745534*
Red Hat Openshift Data Foundation 4.18RedHatodf4/cephcsi-rhel9:1786705347*
Red Hat Openshift Data Foundation 4.18RedHatodf4/cephcsi-rhel9-operator:1786706101*
Red Hat Openshift Data Foundation 4.18RedHatodf4/mcg-core-rhel9:1786705558*
Red Hat Openshift Data Foundation 4.18RedHatodf4/mcg-rhel9-operator:1786705646*
Red Hat Openshift Data Foundation 4.18RedHatodf4/ocs-client-console-rhel9:1786706138*
Red Hat Openshift Data Foundation 4.18RedHatodf4/ocs-client-rhel9-operator:1786705741*
Red Hat Openshift Data Foundation 4.18RedHatodf4/ocs-metrics-exporter-rhel9:1786705777*
Red Hat Openshift Data Foundation 4.18RedHatodf4/ocs-rhel9-operator:1786705802*
Red Hat Openshift Data Foundation 4.18RedHatodf4/odf-cli-rhel9:1786705938*
Red Hat Openshift Data Foundation 4.18RedHatodf4/odf-console-rhel9:1786706577*
Red Hat Openshift Data Foundation 4.18RedHatodf4/odf-cosi-sidecar-rhel9:1786706125*
Red Hat Openshift Data Foundation 4.18RedHatodf4/odf-csi-addons-rhel9-operator:1786706177*
Red Hat Openshift Data Foundation 4.18RedHatodf4/odf-csi-addons-sidecar-rhel9:1786706188*
Red Hat Openshift Data Foundation 4.18RedHatodf4/odf-multicluster-console-rhel9:1786706679*
Red Hat Openshift Data Foundation 4.18RedHatodf4/odf-multicluster-rhel9-operator:1786706357*
Red Hat Openshift Data Foundation 4.18RedHatodf4/odf-must-gather-rhel9:1786706612*
Red Hat Openshift Data Foundation 4.18RedHatodf4/odf-rhel9-operator:1786706644*
Red Hat Openshift Data Foundation 4.18RedHatodf4/odr-rhel9-operator:1786706659*
Red Hat Openshift Data Foundation 4.18RedHatodf4/rook-ceph-rhel9-operator:1786706880*
Red Hat OpenShift Dev Spaces 3.30RedHatdevspaces/code-rhel9:1789145741*
Red Hat OpenShift Dev Spaces 3.30RedHatdevspaces/openvsx-rhel9:1789144269*
Red Hat OpenShift Dev Spaces 3.30RedHatdevspaces/pluginregistry-rhel9:1788883179*

Potential Mitigations

References

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