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CVE-2026-11832

Dancer2::Plugin::Auth::OAuth versions before 0.22 for Perl default to a predictable nonce

9.1 Critical

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
None

Exploit likelihood

0.33%Up 0.1 points since Jun 16, 2026
90%50%10%1%

What each source reports

CVE List Score used 9.1

Dancer2::Plugin::Auth::OAuth versions before 0.22 for Perl default to a predictable nonce

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.

Record
CVE-2026-11832
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-338
Updated
2026-11-02
EUVDEUVD-2026-37010 9.1

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.

Record
EUVD-2026-37010
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-h3g4-wmrw-rm63 9.1

Dancer2::Plugin::Auth::OAuth versions before 0.22 for Perl default to a predictable nonce. The...

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.

Record
GHSA-h3g4-wmrw-rm63
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-338
Updated
2026-11-02
NVD 9.1

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.

Record
CVE-2026-11832
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-338
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-11832 is a critical vulnerability (CVSS 9.1) in Biafra Dancer2::plugin::auth::oauth, published June 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 25th percentile. No source names a fixed version.

References

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