BIAFRA Dancer2::Plugin::Auth::OAuth up to 0.21 on Perl weak prng

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in BIAFRA Dancer2::Plugin::Auth::OAuth up to 0.21 on Perl. This affects an unknown part. Such manipulation leads to weak prng. This vulnerability is listed as CVE-2026-11832. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in BIAFRA Dancer2::Plugin::Auth::OAuth up to 0.21 on Perl. It has been rated as problematic. Affected by this issue is some unknown functionality. The manipulation with an unknown input leads to a weak prng vulnerability. Using CWE to declare the problem leads to CWE-338. The product uses a Pseudo-Random Number Generator (PRNG) in a security context, but the PRNG's algorithm is not cryptographically strong. Impacted is confidentiality. CVE summarizes:

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.

The advisory is shared for download at metacpan.org. This vulnerability is handled as CVE-2026-11832 since 06/09/2026. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.001.

Upgrading to version 0.22 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Weak prng
CWE: CWE-338 / CWE-331 / CWE-330
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Dancer2::Plugin::Auth::OAuth 0.22

Timelineinfo

06/09/2026 CVE reserved
06/16/2026 +7 days Advisory disclosed
06/16/2026 +0 days VulDB entry created
06/16/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: metacpan.org
Status: Confirmed

CVE: CVE-2026-11832 (🔒)
GCVE (CVE): GCVE-0-2026-11832
GCVE (VulDB): GCVE-100-370988

Entryinfo

Created: 06/16/2026 05:54
Changes: 06/16/2026 05:54 (55)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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