GHSA-v457-wxvj-p9w9
@vitejs/plugin-rsc has a Denial of Service with React Server Components
GHSA-v457-wxvj-p9w9 is a high vulnerability (CVSS 7.5) in @vitejs/plugin-rsc, published April 10, 2026. No source lists public exploit code. Fixed in @vitejs/plugin-rsc 0.5.23.
- Severity
- 7.5 HighCVSS 3.1, GitHub Advisories
- Exploit chance
- UnscoredNo EPSS score yet
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
0.5.23@vitejs/plugin-rsc +1 more
Description
Impact
@vitejs/plugin-rsc vendors react-server-dom-webpack, which contained a vulnerability in versions prior to 19.2.4. See details in React repository's advisory https://github.com/facebook/react/security/advisories/GHSA-479c-33wc-g2pg
Patches
Upgrade immediately to @vitejs/plugin-rsc@0.5.23 or later.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Affected packages
| Package | Affected | Fixed |
|---|---|---|
@vitejs/plugin-rscnpm | through 0.5.22 | 0.5.23 |
@vitejs/plugin-rscnpm | before 0.5.23 | 0.5.23 |
What each source reports
GitHub Advisories Score used
@vitejs/plugin-rsc has a Denial of Service with React Server Components
Impact
@vitejs/plugin-rsc vendors react-server-dom-webpack, which contained a vulnerability in versions prior to 19.2.4. See details in React repository's advisory https://github.com/facebook/react/security/advisories/GHSA-479c-33wc-g2pg
Patches
Upgrade immediately to @vitejs/plugin-rsc@0.5.23 or later.
- Record
GHSA-v457-wxvj-p9w9- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
OSV
@vitejs/plugin-rsc has a Denial of Service with React Server Components
Impact
@vitejs/plugin-rsc vendors react-server-dom-webpack, which contained a vulnerability in versions prior to 19.2.4. See details in React repository's advisory https://github.com/facebook/react/security/advisories/GHSA-479c-33wc-g2pg
Patches
Upgrade immediately to @vitejs/plugin-rsc@0.5.23 or later.
- Record
GHSA-v457-wxvj-p9w9- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.