SUSE CVE-2026-33244

React Router is a router for React. In versions 7.5.1 through 7.13.1, when using Framework Mode with pre-rendering enabled, improper neutralization of the HTTP Location header value can permit Cross-Site Scripting XSS in the statically generated HTML files if the redirect location comes from an...

PT-2026-46083

Certain URLs passed to the redirect function can trigger an open redirect to an external domain depending on the level of validation done by the application prior to returning the redirect. !NOTE This does not impact your React Router application if you are using Declarative Mode...

PT-2026-46095

When using React Router v7 Framework Mode with Pre-rendering enabled, an improper neutralization of the HTTP Location header value can permit Cross-Site Scripting XSS in statically generated HTML files if the redirect location comes from an untrusted source. !NOTE This does not impact your React...

PT-2026-46089

There exists a potential DOS attack vector in React Router Framework Mode applications as well as Remix v2.10.0 - 2.17.4. Certain requests can be crafted to consume disproportionate resources on the server, resulting in response time degredation and/or service unavailability for end users. !NOTE...

PT-2026-46087

When using React Router v7's unstable RSC APIs, there exists a potential client-side XSS issue in the RSC redirect handling if redirects are coming from untrusted sources !NOTE This only impacts your application if you are using the unstable RSC APIs in React Router...

PT-2026-46085

When using React Router v7 in Framework Mode, there exists a combination of steps that could potentially allow unauthorized RCE through external requests. This first requires the application code to have an existing prototype pollution vulnerability. This can be leveraged into a 2-step attack in...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the serialization algorithm in the PrefetchPageLinks function. An attacker can cause a denial of service by supplying specially crafted user input that is reflected and processed...

@accounter/client (>=0.0.3 <=0.0.11-alpha-20260404002702-9340365def1af08a5cdbbf734a87d1d4839bdaff), @asamanvay/auth-service (>=0.0.2 <=0.0.4) +122 more potentially affected by CVE-2026-34077 via react-router (>=7.0.0 <=7.14.0-pre.0)

react-router NPM version =7.0.0, =0.0.3, =0.0.2, =3.5.2, =1.1.0, =1.0.1-MON-198808-web-js-deps-batch-1.0, =0.0.1, =3.4.9, =0.1.9, =1.27.1, =1.27.1, =0.3.1, =7.13.1-depup.0, =7.13.2-depup.0 and more Source cves: CVE-2026-34077 Source advisory: SNYK:JS-REACTROUTER-17138883...

Open Redirect

Overview Affected versions of this package are vulnerable to Open Redirect when certain URLs with path values starting with // are processed. An attacker can redirect users to external domains by supplying specially crafted protocol-relative URLs. Note: Users that utilise Declarative Mode are not...

@accounter/client (>=0.0.3 <=0.0.12-alpha-20260421081155-bb6cc4c0b0b59fff41df172e2f4212eca6906193), @appigram/react-code-split-ssr (=1.3.7) +128 more potentially affected by CVE-2026-40181 via react-router (>=7.0.0 <=7.14.0)

react-router NPM version =7.0.0, =0.0.3, =0.0.2, =3.5.2, =1.1.0, =1.0.1-MON-198808-web-js-deps-batch-1.0, =0.0.1, =3.4.9, =0.1.9, =1.27.1, =1.27.1, =0.3.1, =0.5.1 and more Source cves: CVE-2026-40181 Source advisory: SNYK:JS-REACTROUTER-17138887...

Open Redirect

Overview Affected versions of this package are vulnerable to Open Redirect when certain URLs with path values starting with // are processed. An attacker can redirect users to external domains by supplying specially crafted protocol-relative URLs. Note: Users that utilise Declarative Mode are not...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the manifest endpoint. An attacker can exhaust server resources and cause service disruption by sending specially crafted requests that trigger unbounded path expansion. Note:...

@accounter/client (>=0.0.3 <=0.0.12-alpha-20260508071110-20f5becdec9522d09c6a97f123f7c572407661fb), @appigram/react-code-split-ssr (>=1.3.7 <=1.3.8) +229 more potentially affected by CVE-2026-42342 via react-router (>=7.0.0 <=7.14.2)

react-router NPM version =7.0.0, =0.0.3, =1.3.7, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.0.2, =3.5.2, =1.1.0, =1.0.1-MON-198808-web-js-deps-batch-1.0, =0.0.1, =1.1.0 and more Source cves: CVE-2026-42342 Source advisory: SNYK:JS-REACTROUTER-17138701...

Deserialization of Untrusted Data

Overview Affected versions of this package are vulnerable to Deserialization of Untrusted Data via the turbo-stream component in in Framework Mode. An attacker can execute arbitrary code on the remote server by sending specially crafted external requests that exploit an existing prototype polluti...

@accounter/client (>=0.0.3 <=0.0.12-alpha-20260427054851-6925deba4595cf0c72d3875df0a094608b394a27), @appigram/react-code-split-ssr (=1.3.7) +130 more potentially affected by CVE-2026-42211 via react-router (>=7.0.0 <=7.14.1)

react-router NPM version =7.0.0, =0.0.3, =0.0.2, =3.5.2, =1.1.0, =1.0.1-MON-198808-web-js-deps-batch-1.0, =0.0.1, =3.4.9, =0.1.9, =1.27.1, =1.27.1, =0.3.1, =0.5.1 and more Source cves: CVE-2026-42211 Source advisory: SNYK:JS-REACTROUTER-17137394...

CVE-2026-42342

React Router is a router for React. In versions 7.0.0 through 7.14.x of react-router and versions 2.10.0 through 2.17.4 of @remix-run/server-runtime, certain crafted requests can consume disproportionate server resources via unbounded path expansion in the manifest endpoint, resulting in response...

CVE-2026-42211

React Router is a router for React. In versions 7.0.0 through 7.14.1, when using Framework Mode, a combination of steps could potentially allow unauthorized remote code execution RCE through external requests. This attack requires the application code to have an existing prototype pollution...

CVE-2026-40181

React Router is a router for React. In versions 7.0.0 through 7.14.0 and 6.7.0 through 6.30.3, certain URLs passed to the redirect function can trigger an open redirect to an external domain due to path values starting with // being reinterpreted as protocol-relative URLs. The level of impact...

CVE-2026-33245

React Router is a router for React. In versions 7.7.0 through 7.13.1, when using React Router's unstable React Server Components RSC APIs, there is a potential client-side Cross-Site Scripting XSS vulnerability in the RSC redirect handling if redirects come from untrusted sources. This does not...

CVE-2026-34077

React Router is a router for React. In versions 7.7.0 through 7.13.1, when using React Router's unstable React Server Components RSC APIs, there is a potential client-side Cross-Site Scripting XSS vulnerability in the RSC redirect handling if redirects come from untrusted sources. This does not...