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CVE-2026-11832 BIAFRA CVE debrief

CVE-2026-11832 is a vulnerability in Dancer2::Plugin::Auth::OAuth versions before 0.22 for Perl. The plugin defaults to a predictable nonce generated using an MD5 hash of the epoch time.

Vendor
BIAFRA
Product
Dancer2::Plugin::Auth::OAuth
CVSS
CRITICAL 9.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-15
Original CVE updated
2026-06-16
Advisory published
2026-06-15
Advisory updated
2026-06-16

Who should care

Users of Dancer2::Plugin::Auth::OAuth versions before 0.22 for Perl should be aware of this vulnerability and take steps to mitigate it.

Technical summary

The default nonce was generated using an MD5 hash of the epoch time, which is predictable. This could potentially allow attackers to exploit the vulnerability.

Defensive priority

high

Recommended defensive actions

  • Update to version 0.22 or later of Dancer2::Plugin::Auth::OAuth
  • Use a secure random number generator to generate nonces

Evidence notes

The CVE record and NVD detail provide information on the vulnerability.

Official resources

CVE-2026-11832 was published on 2026-06-15T22:16:15.400Z.