CVE Explorer
CVE-2026-53667
React Router is a router for React. In versions 7.11.0 through 7.17.0, the RSCErrorHandler is missing protocol validation, allowing for redirects from untrusted sources. This issue is a follow up to CVE-2026-53667, and only affects consuming applications if they are using the unstable RSC APIs. This issue has been fixed in version 7.18.0.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"react-router","vendor":"remix-run","versions":[{"status":"affected","version":">= 7.11.0, < 7.18.0"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:5e882cd9ccd13ddd5de4561ba4ca427aa944b96764d4234951cfdb06bfce4ca1 · sha256:d95bf27e355a2303… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:5e882cd9ccd13ddd5de4561ba4ca427aa944b96764d4234951cfdb06bfce4ca1 · sha256:d95bf27e355a2303… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:5e882cd9ccd13ddd5de4561ba4ca427aa944b96764d4234951cfdb06bfce4ca1 · sha256:d95bf27e355a2303… · /containers/cna/problemTypes/0/descriptions/0
Source references
5 source assertions{"name":"https://github.com/remix-run/react-router/blob/main/CHANGELOG.md#v7180","tags":["x_refsource_MISC"],"url":"https://github.com/remix-run/react-router/blob/main/CHANGELOG.md#v7180"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:5e882cd9ccd13ddd5de4561ba4ca427aa944b96764d4234951cfdb06bfce4ca1 · sha256:d95bf27e355a2303… · /containers/cna/references/3
{"name":"https://github.com/remix-run/react-router/commit/ce596e823f0d7b883a433af1d5a839a8b9fe0242","tags":["x_refsource_MISC"],"url":"https://github.com/remix-run/react-router/commit/ce596e823f0d7b883a433af1d5a839a8b9fe0242"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:5e882cd9ccd13ddd5de4561ba4ca427aa944b96764d4234951cfdb06bfce4ca1 · sha256:d95bf27e355a2303… · /containers/cna/references/2
{"name":"https://github.com/remix-run/react-router/pull/15177","tags":["x_refsource_MISC"],"url":"https://github.com/remix-run/react-router/pull/15177"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:5e882cd9ccd13ddd5de4561ba4ca427aa944b96764d4234951cfdb06bfce4ca1 · sha256:d95bf27e355a2303… · /containers/cna/references/1
{"name":"https://github.com/remix-run/react-router/releases/tag/react-router@7.18.0","tags":["x_refsource_MISC"],"url":"https://github.com/remix-run/react-router/releases/tag/react-router@7.18.0"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:5e882cd9ccd13ddd5de4561ba4ca427aa944b96764d4234951cfdb06bfce4ca1 · sha256:d95bf27e355a2303… · /containers/cna/references/4
{"name":"https://github.com/remix-run/react-router/security/advisories/GHSA-h8fp-f39c-q6mh","tags":["x_refsource_CONFIRM"],"url":"https://github.com/remix-run/react-router/security/advisories/GHSA-h8fp-f39c-q6mh"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:5e882cd9ccd13ddd5de4561ba4ca427aa944b96764d4234951cfdb06bfce4ca1 · sha256:d95bf27e355a2303… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.