Vulnerability-Lookup

FKIE_CVE-2026-5091

Vulnerability from fkie_nvd - Published: 2026-05-21 22:16 - Updated: 2026-07-23 16:10

Severity

5.1 (Medium) - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Summary

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.

References

	URL	Tags
	9b29abf9-4ab0-4765-b253-1875cd9b441e	https://github.com/perl-catalyst/Catalyst-Plugin-Authentication/commit/b0515f492257438cf07082acf1e10d06e8088a5e.patch
	9b29abf9-4ab0-4765-b253-1875cd9b441e	https://metacpan.org/release/ETHER/Catalyst-Plugin-Authentication-0.10_025/changes
	af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2026/05/21/19

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
          "packageName": "Catalyst-Plugin-Authentication",
          "product": "Catalyst::Plugin::Authentication",
          "programFiles": [
            "lib/Catalyst/Authentication/Credential/Password.pm"
          ],
          "programRoutines": [
            {
              "name": "Catalyst::Authentication::Credential::Password::check_password"
            }
          ],
          "repo": "https://github.com/perl-catalyst/Catalyst-Plugin-Authentication",
          "vendor": "JJNAPIORK",
          "versions": [
            {
              "lessThanOrEqual": "0.10024",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Catalyst::Plugin::Authentication versions through 0.10024 for Perl  is susceptible to timing attacks.\n\nThese versions use Perl\u0027s built-in eq comparison. Discrepencies in timing could be used to guess the underlying hash or password."
    },
    {
      "lang": "es",
      "value": "Las versiones de Catalyst::Plugin::Authentication hasta la 0.10024 para Perl son susceptibles a ataques de temporizaci\u00f3n.\n\nEstas versiones usan la comparaci\u00f3n eq integrada de Perl. Discrepancias en la temporizaci\u00f3n podr\u00edan usarse para adivinar el hash o la contrase\u00f1a subyacentes."
    }
  ],
  "id": "CVE-2026-5091",
  "lastModified": "2026-07-23T16:10:00.137",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.4,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-5091",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-05-22T14:13:45.514337Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-05-21T22:16:48.530",
  "references": [
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "url": "https://github.com/perl-catalyst/Catalyst-Plugin-Authentication/commit/b0515f492257438cf07082acf1e10d06e8088a5e.patch"
    },
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "url": "https://metacpan.org/release/ETHER/Catalyst-Plugin-Authentication-0.10_025/changes"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.openwall.com/lists/oss-security/2026/05/21/19"
    }
  ],
  "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-208"
        }
      ],
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "type": "Secondary"
    }
  ]
}

CVE-2026-5091 (GCVE-0-2026-5091)

Vulnerability from cvelistv5 – Published: 2026-05-21 21:07 – Updated: 2026-05-22 14:13

Title

Catalyst::Plugin::Authentication versions through 0.10024 for Perl is susceptible to timing attacks

Summary

Severity

5.1 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-22 14:13 UTC

CWE

CWE-208 - Observable Timing Discrepancy

Assigner

CPANSec CNA under the redhat root

CNA scorecard C 64/100 over 265 records in the last 180 days details

References

3 references

URL	Tags
https://metacpan.org/release/ETHER/Catalyst-Plugi…	release-notes
https://github.com/perl-catalyst/Catalyst-Plugin-…	patch
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version
JJNAPIORK	Catalyst::Plugin::Authentication	Affected: 0 , ≤ 0.10024 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2026-05-22T01:40:38.985Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2026/05/21/19"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "HIGH",
              "attackVector": "LOCAL",
              "availabilityImpact": "NONE",
              "baseScore": 5.1,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-5091",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-22T14:13:45.514337Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-22T14:13:48.996Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
          "packageName": "Catalyst-Plugin-Authentication",
          "product": "Catalyst::Plugin::Authentication",
          "programFiles": [
            "lib/Catalyst/Authentication/Credential/Password.pm"
          ],
          "programRoutines": [
            {
              "name": "Catalyst::Authentication::Credential::Password::check_password"
            }
          ],
          "repo": "https://github.com/perl-catalyst/Catalyst-Plugin-Authentication",
          "vendor": "JJNAPIORK",
          "versions": [
            {
              "lessThanOrEqual": "0.10024",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Catalyst::Plugin::Authentication versions through 0.10024 for Perl  is susceptible to timing attacks.\n\nThese versions use Perl\u0027s built-in eq comparison. Discrepencies in timing could be used to guess the underlying hash or password."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-208",
              "description": "CWE-208 Observable Timing Discrepancy",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-21T21:07:26.432Z",
        "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
        "shortName": "CPANSec"
      },
      "references": [
        {
          "tags": [
            "release-notes"
          ],
          "url": "https://metacpan.org/release/ETHER/Catalyst-Plugin-Authentication-0.10_025/changes"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/perl-catalyst/Catalyst-Plugin-Authentication/commit/b0515f492257438cf07082acf1e10d06e8088a5e.patch"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to version 0.10026 or later."
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Catalyst::Plugin::Authentication versions through 0.10024 for Perl is susceptible to timing attacks",
      "x_generator": {
        "engine": "cpansec-cna-tool 0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
    "assignerShortName": "CPANSec",
    "cveId": "CVE-2026-5091",
    "datePublished": "2026-05-21T21:07:26.432Z",
    "dateReserved": "2026-03-28T19:36:44.345Z",
    "dateUpdated": "2026-05-22T14:13:48.996Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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