JJNAPIORK Catalyst::Plugin::Authentication up to 0.10024 on Perl timing discrepancy

Summaryinfo

A vulnerability was found in JJNAPIORK Catalyst::Plugin::Authentication up to 0.10024 on Perl. It has been classified as problematic. The impacted element is an unknown function. Performing a manipulation results in timing discrepancy. This vulnerability is reported as CVE-2026-5091. The attack is possible to be carried out remotely. No exploit exists. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in JJNAPIORK Catalyst::Plugin::Authentication up to 0.10024 on Perl. This affects an unknown code block. The manipulation with an unknown input leads to a timing discrepancy vulnerability. CWE is classifying the issue as CWE-208. Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not. This is going to have an impact on confidentiality. The summary by CVE is:

Catalyst::Plugin::Authentication versions through 0.10024 for Perl is susceptible to timing attacks. These versions use Perl's built-in eq comparison. Discrepencies in timing could be used to guess the underlying hash or password.

The advisory is shared at metacpan.org. This vulnerability is uniquely identified as CVE-2026-5091 since 03/28/2026. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 316720 (Linux Distros Unpatched Vulnerability : CVE-2026-5091), which helps to determine the existence of the flaw in a target environment.

Applying the patch b0515f492257438cf07082acf1e10d06e8088a5e is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (316720). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• JJNAPIORK

Name

• Catalyst::Plugin::Authentication

Version

• 0.10024

License

• open-source

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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