What is CVE-2025-55346?

CVE-2025-55346 is a critical-severity vulnerability, classified under Code Injection. CVSS score: 9.8/10. Published 2025-08-14.

How severe is CVE-2025-55346?

Critical severity. CVSS v3 base score is 9.8 out of 10.

CVE-2025-55346

CVE-2025-55346

User-controlled input flows to an unsafe implementation of a dynamic Function constructor, allowing network attackers to run arbitrary unsandboxed JS code in the context of the host, by sending a simple POST request.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.174 (96.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Weakness classification (CWE)

CWE-94 — Code Injection

References

reefs@jfrog.com (third-party-advisory)

Frequently asked questions

What is CVE-2025-55346?: CVE-2025-55346 is a critical-severity vulnerability, classified under Code Injection. CVSS score: 9.8/10. Published 2025-08-14.
How severe is CVE-2025-55346?: Critical severity. CVSS v3 base score is 9.8 out of 10.