Vulnerability · Published Jun 15, 2026 · Assigned by CPANSec
CVE-2026-11832Dancer2::Plugin::Auth::OAuth versions before 0.22 for Perl default to a predictable nonce
Critical 9.1
In plain English
A critical-severity security flaw in Dancer2::Plugin::Auth::OAuth from BIAFRA. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.3%top 74.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| BIAFRA | Dancer2::Plugin::Auth::OAuth | 0 – before 0.22 |
Weakness: CWE-338 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N