What is CVE-2026-71851?

CVE-2026-71851 is a critical-severity vulnerability in Brix Crypto-js, classified under Insufficient Entropy. CVSS score: 9.0/10. Published 2026-08-07.

How severe is CVE-2026-71851?

Critical severity. CVSS v3 base score is 9.0 out of 10.

Vulnerability in Brix Crypto-js

CVE-2026-71851

crypto-js is a JavaScript library of crypto standards. Versions of crypto-js prior to 4.0.0 generate randomness in CryptoJS.lib.WordArray.random() using a custom variation of the Multiply-With-Carry pseudorandom number generator, seeded fr…

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Brix Crypto-js — versions < 4.0.0

Weakness classification (CWE)

CWE-331 — Insufficient Entropy
CWE-334
CWE-338 — Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

References

security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-71851?: CVE-2026-71851 is a critical-severity vulnerability in Brix Crypto-js, classified under Insufficient Entropy. CVSS score: 9.0/10. Published 2026-08-07.
How severe is CVE-2026-71851?: Critical severity. CVSS v3 base score is 9.0 out of 10.