What is CVE-2026-11832?

CVE-2026-11832 is a critical-severity vulnerability in Biafra Dancer2::plugin::auth::oauth, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 9.1/10. Published 2026-06-15.

How severe is CVE-2026-11832?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Biafra Dancer2::plugin::auth::oauth

CVE-2026-11832

Dancer2::Plugin::Auth::OAuth versions before 0.22 for Perl default to a predictable nonce. The default nonce was generated using an MD5 hash of the epoch time, which is predictable.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Biafra Dancer2::plugin::auth::oauth — versions 0

Weakness classification (CWE)

CWE-338 — Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

References

9b29abf9-4ab0-4765-b253-1875cd9b441e (release-notes)
9b29abf9-4ab0-4765-b253-1875cd9b441e (related)
9b29abf9-4ab0-4765-b253-1875cd9b441e
9b29abf9-4ab0-4765-b253-1875cd9b441e

Frequently asked questions

What is CVE-2026-11832?: CVE-2026-11832 is a critical-severity vulnerability in Biafra Dancer2::plugin::auth::oauth, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 9.1/10. Published 2026-06-15.
How severe is CVE-2026-11832?: Critical severity. CVSS v3 base score is 9.1 out of 10.