CVE-2026-5320 (GCVE-0-2026-5320)
Vulnerability from cvelistv5
Published
2026-04-02 03:45
Modified
2026-04-02 13:32
CWE
Summary
A vulnerability was detected in vanna-ai vanna up to 2.0.2. Affected by this vulnerability is an unknown functionality of the file /api/vanna/v2/ of the component Chat API Endpoint. Performing a manipulation results in missing authentication. The attack can be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
References
https://vuldb.com/vuln/354652 vdb-entry
https://vuldb.com/vuln/354652/cti signature, permissions-required
https://vuldb.com/submit/780727 third-party-advisory
https://github.com/August829/CVEP/issues/13 exploit, issue-tracking
Impacted products
Vendor Product Version
vanna-ai vanna Version: 2.0.0
Version: 2.0.1
Version: 2.0.2
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-5320",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-02T13:24:26.747490Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-02T13:32:13.296Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "modules": [
            "Chat API Endpoint"
          ],
          "product": "vanna",
          "vendor": "vanna-ai",
          "versions": [
            {
              "status": "affected",
              "version": "2.0.0"
            },
            {
              "status": "affected",
              "version": "2.0.1"
            },
            {
              "status": "affected",
              "version": "2.0.2"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Yu_Bao (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was detected in vanna-ai vanna up to 2.0.2. Affected by this vulnerability is an unknown functionality of the file /api/vanna/v2/ of the component Chat API Endpoint. Performing a manipulation results in missing authentication. The attack can be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 7.5,
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-306",
              "description": "Missing Authentication",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-287",
              "description": "Improper Authentication",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-02T03:45:11.517Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-354652 | vanna-ai vanna Chat API Endpoint v2 missing authentication",
          "tags": [
            "vdb-entry"
          ],
          "url": "https://vuldb.com/vuln/354652"
        },
        {
          "name": "VDB-354652 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/354652/cti"
        },
        {
          "name": "Submit #780727 | vanna-ai vanna 2.0.2 Missing Authentication on All API Endpoints",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/780727"
        },
        {
          "tags": [
            "exploit",
            "issue-tracking"
          ],
          "url": "https://github.com/August829/CVEP/issues/13"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-04-01T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-04-01T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-04-01T15:05:18.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "vanna-ai vanna Chat API Endpoint v2 missing authentication"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-5320",
    "datePublished": "2026-04-02T03:45:11.517Z",
    "dateReserved": "2026-04-01T13:00:08.204Z",
    "dateUpdated": "2026-04-02T13:32:13.296Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-5320\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-04-02T13:24:26.747490Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-04-02T13:24:33.908Z\"}}], \"cna\": {\"title\": \"vanna-ai vanna Chat API Endpoint v2 missing authentication\", \"credits\": [{\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"Yu_Bao (VulDB User)\"}, {\"lang\": \"en\", \"type\": \"coordinator\", \"value\": \"VulDB\"}], \"metrics\": [{\"cvssV4_0\": {\"version\": \"4.0\", \"baseScore\": 6.9, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P\"}}, {\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 7.3, \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R\"}}, {\"cvssV3_0\": {\"version\": \"3.0\", \"baseScore\": 7.3, \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R\"}}, {\"cvssV2_0\": {\"version\": \"2.0\", \"baseScore\": 7.5, \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR\"}}], \"affected\": [{\"vendor\": \"vanna-ai\", \"modules\": [\"Chat API Endpoint\"], \"product\": \"vanna\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.0.0\"}, {\"status\": \"affected\", \"version\": \"2.0.1\"}, {\"status\": \"affected\", \"version\": \"2.0.2\"}]}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-04-01T00:00:00.000Z\", \"value\": \"Advisory disclosed\"}, {\"lang\": \"en\", \"time\": \"2026-04-01T02:00:00.000Z\", \"value\": \"VulDB entry created\"}, {\"lang\": \"en\", \"time\": \"2026-04-01T15:05:18.000Z\", \"value\": \"VulDB entry last update\"}], \"references\": [{\"url\": \"https://vuldb.com/vuln/354652\", \"name\": \"VDB-354652 | vanna-ai vanna Chat API Endpoint v2 missing authentication\", \"tags\": [\"vdb-entry\"]}, {\"url\": \"https://vuldb.com/vuln/354652/cti\", \"name\": \"VDB-354652 | CTI Indicators (IOB, IOC, IOA)\", \"tags\": [\"signature\", \"permissions-required\"]}, {\"url\": \"https://vuldb.com/submit/780727\", \"name\": \"Submit #780727 | vanna-ai vanna 2.0.2 Missing Authentication on All API Endpoints\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://github.com/August829/CVEP/issues/13\", \"tags\": [\"exploit\", \"issue-tracking\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability was detected in vanna-ai vanna up to 2.0.2. Affected by this vulnerability is an unknown functionality of the file /api/vanna/v2/ of the component Chat API Endpoint. Performing a manipulation results in missing authentication. The attack can be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-306\", \"description\": \"Missing Authentication\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-287\", \"description\": \"Improper Authentication\"}]}], \"providerMetadata\": {\"orgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"shortName\": \"VulDB\", \"dateUpdated\": \"2026-04-02T03:45:11.517Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-5320\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-04-02T13:32:13.296Z\", \"dateReserved\": \"2026-04-01T13:00:08.204Z\", \"assignerOrgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"datePublished\": \"2026-04-02T03:45:11.517Z\", \"assignerShortName\": \"VulDB\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…

Loading…