CVE-2026-11832

CRITICAL

Published Jun 15, 2026 Modified Jun 17, 2026 CWE-338

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.

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CVSS v3.1 Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS — Exploit Prediction

0.0033

Probability of exploitation

0.25%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-338 CWE-338

References

Other References

https://datatracker.ietf.org/doc/html/rfc5849#section-3.3 https://datatracker.ietf.org/doc/html/rfc5849#section-4.9 https://metacpan.org/release/BIAFRA/Dancer2-Plugin-Auth-OAuth-0.22/changes https://www.cve.org/CVERecord?id=CVE-2025-22376

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2026-11832? +

CVE-2026-11832 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0033, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-11832? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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