CVE-2025-55346

CRITICAL 9.8EPSS 18.4%

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.

CVSS v3.1: 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v3.0: 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 18.45% chance of exploitation in the next 30 days, 97th percentile
Published: 2025-08-14

Proof-of-concept exploits (1)

advisories/GHSA-hmgh-466j-fx4c

References

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