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Fencer Vulns
high 7.6

CVE-2025-59057 json

React Router has XSS Vulnerability

published 2026-01-08 10 mo ago modified 2026-09-08 2 mo ago also GHSA-3cgp-3xvw-98x8 , EUVD-2026-1469

cvss
7.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

React Router is a router for React. In @remix-run/react versions 1.15.0 through 2.17.0. and react-router versions 7.0.0 through 7.8.2, a XSS vulnerability exists in in React Router's meta()/<Meta> APIs in Framework Mode when generating script:ld+json tags which could allow arbitrary JavaScript execution during SSR if untrusted content is used to generate the tag. There is no impact if the application is being used in Declarative Mode (<BrowserRouter>) or Data Mode (createBrowserRouter/<RouterProvider>). This issue has been patched in @remix-run/react version 2.17.1 and react-router version 7.9.0.

Patch / fix

  • npm react-router 7.9.0
  • npm @remix-run/react 2.17.1
  • Red Hat Red Hat Ansible Automation Platform 2.6 for RHEL 9 0:2.6.6-1.el9ap
  • Red Hat Red Hat Ansible Automation Platform 2.6 1772543959
  • Red Hat Red Hat OpenShift AI 2.25 1772093424, 1772093498
  • Red Hat Red Hat OpenShift AI 3.3 1778473763, 1778666987, 1779189627
  • receptor ansible automation platform 2.6 1.6.3-4.el10ap
  • receptor ansible automation platform inside 2.6, ansible automation platform developer 2.6, ansible automation platform 2.6 1.6.3-4.el9ap
  • receptorctl ansible automation platform 2.6 1.6.3-4.el10ap
  • receptorctl ansible automation platform inside 2.6, ansible automation platform developer 2.6, ansible automation platform 2.6 1.6.3-4.el9ap
  • python3.12-django ansible automation platform developer 2.6, ansible automation platform 2.6 4.2.28-1.el9ap
  • python3.12-aiohttp ansible automation platform 2.6 3.13.3-2.el9ap
  • python3.12-protobuf ansible automation platform 2.6 5.29.6-1.el9ap
  • automation-controller ansible automation platform developer 2.6, ansible automation platform 2.6 4.7.9-1.el9ap

red hat advisories RHSA-2026:3958

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-59057 updated cvss 7.6

react-router: @remix-run/router: React Router XSS Vulnerability

  • Red Hat Ansible Automation Platform 2.6 ansible-automation-platform-26 1772543959
    fixed: vendor fix RHSA-2026:3960
  • Red Hat Ansible Automation Platform 2.6 for RHEL 9 automation-platform-ui 2.6.6-1.el9ap
    fixed: vendor fix RHSA-2026:3958
  • Red Hat OpenShift AI 2.25 rhoai 1772093424, rhoai 1772093498
    fixed: vendor fix RHSA-2026:3782
  • Red Hat OpenShift AI 3.3 rhoai 1778473763, rhoai 1778666987, rhoai 1779189627
    fixed: vendor fix RHSA-2026:19712
  • Red Hat Ansible Automation Platform 2.6 ansible-automation-platform 1772556678, ansible-automation-platform 1772556679, ansible-automation-platform-26 1772204398, ansible-automation-platform-26 1772381996, ansible-automation-platform-26 1772382003, ansible-automation-platform-26 1772382254, +21 more Red Hat Ansible Automation Platform 2.6 for RHEL 9 tox 4.15.1-2.el9ap, uwsgi 2.0.28-2.el9ap, bindep 2.13.0-2.el9ap, receptor 1.6.3-4.el9ap, yamllint 1.35.1-2.el9ap, molecule 25.12.0-2.el9ap, +332 more Red Hat Ansible Automation Platform 2.6 for RHEL 10 receptor 1.6.3-4.el10ap, receptorctl 1.6.3-4.el10ap, ansible-core 2.16.16-2.el10ap, python-django 4.2.28-2.el10ap, python3-django 4.2.28-2.el10ap Red Hat Build of Kueue kueue/kueue-rhel9, kueue/kueue-rhel9-operator, kueue/kueue-operator-bundle, kueue/kueue-must-gather-rhel9
    not affected: vulnerable code not present
  • Red Hat Enterprise Linux 9 ipa, ipa-client, ipa-common, ipa-server, ipa-selinux, ipa-client-epn, +13 more
    not affected: vulnerable code not in execute path
  • Red Hat Enterprise Linux 10 ipa Red Hat OpenShift AI 2.25 rhoai 1772093237, rhoai 1772093250, rhoai 1772093252, rhoai 1772093260, rhoai 1772093266, rhoai 1772093272, +62 more Red Hat OpenShift AI 3.3 rhoai 1778239104, rhoai 1778262829, rhoai 1778262856, rhoai 1778262893, rhoai 1778262907, rhoai 1778262952, +73 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
9 mo ago

Exploit prediction

0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
CISA ADP 3.1 7.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
GitHub 3.1 7.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N

Affected packages

ecosystem package affected fixed in
npm react-router
>=7.0.0, <7.9.0
7.9.0
npm @remix-run/react
>=1.15.0, <2.17.1
2.17.1

Affected products

  • remix-run react-router
  • Red Hat Red Hat Ansible Automation Platform 2.6 for RHEL 9
  • Red Hat Red Hat Ansible Automation Platform 2.6
  • Red Hat Red Hat OpenShift AI 2.25
  • Red Hat Red Hat OpenShift AI 3.3
  • Red Hat Red Hat Build of Kueue
  • Red Hat Red Hat Enterprise Linux 10
  • Red Hat Red Hat Enterprise Linux 9

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.