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Advisory record · GHSA-qwww-vcr4-c8h2

React Router: RSC Mode CSRF Bypass Allows Action Execution Before 400 Response

CVSS 4.0, no score published

Published by the GitHub Advisory Database at 24 Jul 2026, 16:44 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
react-routernpm>=7.12.0, <7.18.2 || >=8.0.0, <8.3.07.18.2, 8.3.0
Identifiers
GHSA-qwww-vcr4-c8h2
Weakness (CWE)
CWE-352
Tags
Published
24 Jul 2026
Updated
10 Sept 2026

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
Not published None 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS No score.

Timeline

  1. 22 Jul 2026, 16:23 UTC Published by the maintainers as a GitHub repository advisory

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.