Vulnerability-Lookup

GHSA-MPFM-FPGX-647Q

Vulnerability from github – Published: 2026-04-29 20:33 – Updated: 2026-05-14 20:39

Summary

CKAN has no certificate validation on STMP connection

Details

Impact

Configured SMTP server may be spoofed with any certificate (e.g. self-signed), leaving credentials and all emails sent open to MITM attacks.

Patches

The vulnerability has been patched in CKAN 2.10.10 and CKAN 2.11.5

Severity

6.6 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U

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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 2.11.4"
      },
      "package": {
        "ecosystem": "PyPI",
        "name": "ckan"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.11.0"
            },
            {
              "fixed": "2.11.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "ckan"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.10.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-41132"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-295"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-29T20:33:20Z",
    "nvd_published_at": "2026-05-13T19:17:21Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\nConfigured SMTP server may be spoofed with any certificate (e.g. self-signed), leaving credentials and all emails sent open to MITM attacks.\n\n### Patches\nThe vulnerability has been patched in CKAN 2.10.10 and CKAN 2.11.5",
  "id": "GHSA-mpfm-fpgx-647q",
  "modified": "2026-05-14T20:39:37Z",
  "published": "2026-04-29T20:33:20Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/ckan/ckan/security/advisories/GHSA-mpfm-fpgx-647q"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41132"
    },
    {
      "type": "WEB",
      "url": "https://docs.ckan.org/en/2.10/changelog.html#v-2-10-10-2026-04-29"
    },
    {
      "type": "WEB",
      "url": "https://docs.ckan.org/en/2.11/changelog.html#v-2-11-5-2026-04-29"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/ckan/ckan"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U",
      "type": "CVSS_V4"
    }
  ],
  "summary": "CKAN has no certificate validation on STMP connection"
}

CVE-2026-41132 (GCVE-0-2026-41132)

Vulnerability from cvelistv5 – Published: 2026-05-13 18:53 – Updated: 2026-05-14 15:42

Title

CKAN: No certificate validation on STMP connection

Summary

CKAN is an open-source DMS (data management system) for powering data hubs and data portals. Prior to 2.10.10 and 2.11.5, the configured SMTP server may be spoofed with any certificate (e.g. self-signed), leaving credentials and all emails sent open to MITM attacks. This vulnerability is fixed in 2.10.10 and 2.11.5.

Severity

6.6 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U

CWE

CWE-295 - Improper Certificate Validation

Assigner

GitHub_M

References

1 reference

URL	Tags
https://github.com/ckan/ckan/security/advisories/…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
ckan	ckan	Affected: >= 2.11.0, < 2.11.5 Affected: < 2.10.10

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JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-41132",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-14T15:42:05.329040Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-14T15:42:18.881Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "ckan",
          "vendor": "ckan",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 2.11.0, \u003c 2.11.5"
            },
            {
              "status": "affected",
              "version": "\u003c 2.10.10"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "CKAN is an open-source DMS (data management system) for powering data hubs and data portals. Prior to 2.10.10 and 2.11.5, the configured SMTP server may be spoofed with any certificate (e.g. self-signed), leaving credentials and all emails sent open to MITM attacks. This vulnerability is fixed in 2.10.10 and 2.11.5."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 6.6,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-295",
              "description": "CWE-295: Improper Certificate Validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-13T18:53:28.250Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/ckan/ckan/security/advisories/GHSA-mpfm-fpgx-647q",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/ckan/ckan/security/advisories/GHSA-mpfm-fpgx-647q"
        }
      ],
      "source": {
        "advisory": "GHSA-mpfm-fpgx-647q",
        "discovery": "UNKNOWN"
      },
      "title": "CKAN: No certificate validation on STMP connection"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-41132",
    "datePublished": "2026-05-13T18:53:28.250Z",
    "dateReserved": "2026-04-17T12:59:15.737Z",
    "dateUpdated": "2026-05-14T15:42:18.881Z",
    "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.

Detection rules are retrieved from Rulezet.

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