Vulnerability-Lookup

CVE-2026-81168 (GCVE-0-2026-81168)

Vulnerability from cvelistv5 – Published: 2026-09-02 12:32 – Updated: 2026-09-02 18:58

Title

CAPTCHA Protected Page - Moderately critical - Cookie Forgery - SA-CONTRIB-2026-105

Summary

Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal CAPTCHA Protected Page allows Functionality Bypass. This issue affects CAPTCHA Protected Page versions: from 0.0.0 to 1.0.2.

Severity

3.7 (Low)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-02 18:58 UTC

CWE

CWE-288 - Authentication Bypass Using an Alternate Path or Channel

Assigner

drupal mitre root

References

1 reference

URL	Tags
https://www.drupal.org/sa-contrib-2026-105

Impacted products

1 product

Vendor	Product	Version	CPE status
Drupal	CAPTCHA Protected Page	Affected: 0.0.0 , < 1.0.2 (semver)	guessed

Date Public

2026-08-26 17:34

Credits

lovasoa Carlo Miguel Agno (carlagno) Mark Jayson Gruta (mjgruta) Swan Kalata (akalata) Carlo Miguel Agno (carlagno) Greg Knaddison (greggles) Heine Deelstra (heine) Juraj Nemec (poker10) Jess (xjm)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "HIGH",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 3.7,
              "baseSeverity": "LOW",
              "confidentialityImpact": "LOW",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-81168",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-02T18:58:36.867684Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-02T18:58:41.547Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://www.drupal.org/project/captcha_protected_page",
          "product": "CAPTCHA Protected Page",
          "repo": "https://git.drupalcode.org/project/captcha_protected_page",
          "vendor": "Drupal",
          "versions": [
            {
              "lessThan": "1.0.2",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "lovasoa"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Carlo Miguel Agno (carlagno)"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Mark Jayson Gruta (mjgruta)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Swan Kalata (akalata)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Carlo Miguel Agno (carlagno)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Greg Knaddison (greggles)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Heine Deelstra (heine)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Juraj Nemec (poker10)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Jess  (xjm)"
        }
      ],
      "datePublic": "2026-08-26T17:34:35.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal CAPTCHA Protected Page allows Functionality Bypass. This issue affects CAPTCHA Protected Page versions: from 0.0.0 to 1.0.2."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-554",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-554 Functionality Bypass"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-288",
              "description": "CWE-288 Authentication Bypass Using an Alternate Path or Channel",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-02T12:32:13.520Z",
        "orgId": "2c85b837-eb8b-40ed-9d74-228c62987387",
        "shortName": "drupal"
      },
      "references": [
        {
          "url": "https://www.drupal.org/sa-contrib-2026-105"
        }
      ],
      "title": "CAPTCHA Protected Page - Moderately critical - Cookie Forgery - SA-CONTRIB-2026-105"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "2c85b837-eb8b-40ed-9d74-228c62987387",
    "assignerShortName": "drupal",
    "cveId": "CVE-2026-81168",
    "datePublished": "2026-09-02T12:32:13.520Z",
    "dateReserved": "2026-08-26T16:19:49.484Z",
    "dateUpdated": "2026-09-02T18:58:41.547Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-81168",
      "date": "2026-09-04",
      "epss": "0.00335",
      "percentile": "0.26297"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-81168\",\"sourceIdentifier\":\"mlhess@drupal.org\",\"published\":\"2026-09-02T13:18:12.580\",\"lastModified\":\"2026-09-02T19:18:06.037\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal CAPTCHA Protected Page allows Functionality Bypass. This issue affects CAPTCHA Protected Page versions: from 0.0.0 to 1.0.2.\"}],\"affected\":[{\"source\":\"mlhess@drupal.org\",\"affectedData\":[{\"vendor\":\"Drupal\",\"product\":\"CAPTCHA Protected Page\",\"collectionURL\":\"https://www.drupal.org/project/captcha_protected_page\",\"repo\":\"https://git.drupalcode.org/project/captcha_protected_page\",\"versions\":[{\"version\":\"0.0.0\",\"lessThan\":\"1.0.2\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":3.7,\"baseSeverity\":\"LOW\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.2,\"impactScore\":1.4}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-09-02T18:58:36.867684Z\",\"id\":\"CVE-2026-81168\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"mlhess@drupal.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-288\"}]}],\"references\":[{\"url\":\"https://www.drupal.org/sa-contrib-2026-105\",\"source\":\"mlhess@drupal.org\"}]}}"
  }
}

drupal-contrib-2026-105

Vulnerability from drupal

Published

2026-08-26 17:34

Modified

2026-08-26 17:34

Summary

Details

This module enables site administrators to require CAPTCHA confirmation on specific pages.

The module does not sufficiently validate its CAPTCHA verification cookies. Under certain circumstances, an unauthenticated user or automated bot can forge the cookie and bypass CAPTCHA verification entirely.

Credits

lovasoa www.drupal.org/u/lovasoa

References

URL

Type

https://www.drupal.org/sa-contrib-2026-105

WEB

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "affected_versions": "\u003c1.0.2"
      },
      "package": {
        "ecosystem": "Packagist:https://packages.drupal.org/8",
        "name": "drupal/captcha_protected_page"
      },
      "ranges": [
        {
          "database_specific": {
            "constraint": "\u003c1.0.2"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "severity": []
    }
  ],
  "aliases": [
    "CVE-2026-81168"
  ],
  "credits": [
    {
      "contact": [
        "https://www.drupal.org/u/lovasoa"
      ],
      "name": "lovasoa"
    }
  ],
  "details": "This module enables site administrators to require CAPTCHA confirmation on specific pages.\n\nThe module does not sufficiently validate its CAPTCHA verification cookies. Under certain circumstances, an unauthenticated user or automated bot can forge the cookie and bypass CAPTCHA verification entirely.",
  "id": "DRUPAL-CONTRIB-2026-105",
  "modified": "2026-08-26T17:34:35.000Z",
  "published": "2026-08-26T17:34:35.000Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://www.drupal.org/sa-contrib-2026-105"
    }
  ],
  "schema_version": "1.7.0"
}

FKIE_CVE-2026-81168

Vulnerability from fkie_nvd - Published: 2026-09-02 13:18 - Updated: 2026-09-02 19:18

Severity

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

Summary

References

	URL	Tags
	mlhess@drupal.org	https://www.drupal.org/sa-contrib-2026-105

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "collectionURL": "https://www.drupal.org/project/captcha_protected_page",
          "product": "CAPTCHA Protected Page",
          "repo": "https://git.drupalcode.org/project/captcha_protected_page",
          "vendor": "Drupal",
          "versions": [
            {
              "lessThan": "1.0.2",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "mlhess@drupal.org"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal CAPTCHA Protected Page allows Functionality Bypass. This issue affects CAPTCHA Protected Page versions: from 0.0.0 to 1.0.2."
    }
  ],
  "id": "CVE-2026-81168",
  "lastModified": "2026-09-02T19:18:06.037",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 3.7,
          "baseSeverity": "LOW",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 1.4,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-81168",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-02T18:58:36.867684Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-02T13:18:12.580",
  "references": [
    {
      "source": "mlhess@drupal.org",
      "url": "https://www.drupal.org/sa-contrib-2026-105"
    }
  ],
  "sourceIdentifier": "mlhess@drupal.org",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-288"
        }
      ],
      "source": "mlhess@drupal.org",
      "type": "Secondary"
    }
  ]
}

GHSA-CXH2-VW8F-XMVF

Vulnerability from github – Published: 2026-09-02 15:34 – Updated: 2026-09-02 21:32

Details

Severity

3.7 (Low)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-81168"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-288"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-02T13:18:12Z",
    "severity": "LOW"
  },
  "details": "Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal CAPTCHA Protected Page allows Functionality Bypass. This issue affects CAPTCHA Protected Page versions: from 0.0.0 to 1.0.2.",
  "id": "GHSA-cxh2-vw8f-xmvf",
  "modified": "2026-09-02T21:32:02Z",
  "published": "2026-09-02T15:34:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-81168"
    },
    {
      "type": "WEB",
      "url": "https://www.drupal.org/sa-contrib-2026-105"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

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.

Detection rules are retrieved from Rulezet.

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.

Action not permitted

CVE-2026-81168 (GCVE-0-2026-81168)

drupal-contrib-2026-105

Vulnerability from drupal

FKIE_CVE-2026-81168

GHSA-CXH2-VW8F-XMVF

Tags

Sightings

Nomenclature