GHSA-qwww-vcr4-c8h2

Suggest an improvement
Source
https://github.com/advisories/GHSA-qwww-vcr4-c8h2
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/07/GHSA-qwww-vcr4-c8h2/GHSA-qwww-vcr4-c8h2.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-qwww-vcr4-c8h2
Downstream
CGA (13)
ROOT (1)
Published
2026-07-24T16:44:43Z
Modified
2026-09-10T03:50:52Z
Severity
  • 7.1 (High) CVSS_V4 - 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 CVSS Calculator
Summary
React Router: RSC Mode CSRF Bypass Allows Action Execution Before 400 Response
Details

This is a follow up to CVE-2026-22030 to address related CSRF flows in unstable RSC code paths.

[!NOTE] This only affects your application if you are using the unstable RSC APIs

Database specific 
{
    "cwe_ids":  [
        "CWE-352"
    ],
    "github_reviewed":  true,
    "github_reviewed_at":  "2026-07-24T16:44:43Z",
    "nvd_published_at":  null,
    "severity":  "HIGH"
}
References

Affected packages

npm / react-router

Package

Name
react-router
View open source insights on deps.dev
Purl
pkg:npm/react-router

Affected ranges

Type
SEMVER
Events
Introduced
7.12.0
Fixed
7.18.2

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/07/GHSA-qwww-vcr4-c8h2/GHSA-qwww-vcr4-c8h2.json"

npm / react-router

Package

Name
react-router
View open source insights on deps.dev
Purl
pkg:npm/react-router

Affected ranges

Type
SEMVER
Events
Introduced
8.0.0
Fixed
8.3.0

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/07/GHSA-qwww-vcr4-c8h2/GHSA-qwww-vcr4-c8h2.json"