CVE-2025-55183

CVSS

—

EPSS

0.642 (99.2th percentile)

CISA KEV

Not listed

Exploitation

No report

Public exploits

None seen

State

Unknown

Coverage

• Vercel (blog + changelog)11 Dec 2025, 13:00

  React Server Components security update: DoS and Source Code Exposure

  See the for the latest updates. Security Bulletin Summary Impact Resolution Fixed in Credit References CVE-2025-55184 CVE-2025-55183 CVE-2025-67779 Two additional vulnerabilities in React Server Components have been identified: a high-severity Denial of Service () and a medium-severity Source Code…

  ↗vercel.com/changelog/react-server-components-se…(opens the publisher's site in a new tab)

What we observed