Vulnerability in Node-formidable Formidable

CVE-2025-46653

Formidable (aka node-formidable) 2.1.0 through 3.x before 3.5.3 relies on hexoid to prevent guessing of filenames for untrusted executable content; however, hexoid is documented as not "cryptographically secure." (Also, there is a scenario…

EPSS: 0.004 (27.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-46653?
CVE-2025-46653 is a low-severity vulnerability in Node-formidable Formidable, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 3.1/10. Published 2025-04-26.
How severe is CVE-2025-46653?
Low severity. CVSS v3 base score is 3.1 out of 10.
Is CVE-2025-46653 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.