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GHSA-G4FW-P4HW-GQ39

Vulnerability from github – Published: 2026-08-07 21:30 – Updated: 2026-08-07 21:30

Details

A vulnerability has been found in HKUDS nanobot up to 0.2.1. This affects the function _download_image_data_url of the file nanobot/providers/image_generation.py of the component Provider-returned Image URL Handler. The manipulation leads to server-side request forgery. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is 5095. It is recommended to apply a patch to fix this issue. The vendor explains: "We confirm that provider-returned image URLs required the same SSRF protections applied to other network retrieval paths. (...) The patch is currently available on main and is planned for the next patch release, v0.3.1."

Severity

6.3 (Medium)


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

2.1 (Low)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-19246"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-07T21:17:27Z",
    "severity": "LOW"
  },
  "details": "A vulnerability has been found in HKUDS nanobot up to 0.2.1. This affects the function _download_image_data_url of the file nanobot/providers/image_generation.py of the component Provider-returned Image URL Handler. The manipulation leads to server-side request forgery. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is 5095. It is recommended to apply a patch to fix this issue. The vendor explains: \"We confirm that provider-returned image URLs required the same SSRF protections applied to other network retrieval paths. (...) The patch is currently available on main and is planned for the next patch release, v0.3.1.\"",
  "id": "GHSA-g4fw-p4hw-gq39",
  "modified": "2026-08-07T21:30:39Z",
  "published": "2026-08-07T21:30:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-19246"
    },
    {
      "type": "WEB",
      "url": "https://github.com/HKUDS/nanobot/pull/5095"
    },
    {
      "type": "WEB",
      "url": "https://gist.github.com/YLChen-007/44bc77ac259e461c6938cc6c286c4430"
    },
    {
      "type": "WEB",
      "url": "https://github.com/HKUDS/nanobot"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-19246"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/865113"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/387000"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/387000/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-19246 (GCVE-0-2026-19246)

Vulnerability from cvelistv5 – Published: 2026-08-07 21:00 – Updated: 2026-08-14 15:56

Title

HKUDS nanobot Provider-returned Image URL image_generation.py _download_image_data_url server-side request forgery

Summary

Severity

5.3 (Medium)


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

6.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

6.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-14 15:56 UTC

CWE

CWE-918 - Server-Side Request Forgery

Assigner

VulDB mitre root

References

7 references

URL	Tags
https://vuldb.com/vuln/387000	vdb-entrytechnical-description
https://vuldb.com/vuln/387000/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19246	third-party-advisory
https://vuldb.com/submit/865113	third-party-advisory
https://gist.github.com/YLChen-007/44bc77ac259e46…	exploit
https://github.com/HKUDS/nanobot/pull/5095	issue-trackingpatch
https://github.com/HKUDS/nanobot/	product

Impacted products

1 product

Vendor	Product	Version
HKUDS	nanobot	Affected: 0.2.0 Affected: 0.2.1 cpe:2.3:a:nanobot:nanobot::::::::

Credits

Eric-c (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-19246",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-14T15:56:30.240517Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-14T15:56:36.046Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://vuldb.com/submit/865113"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:nanobot:nanobot:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Provider-returned Image URL Handler"
          ],
          "product": "nanobot",
          "vendor": "HKUDS",
          "versions": [
            {
              "status": "affected",
              "version": "0.2.0"
            },
            {
              "status": "affected",
              "version": "0.2.1"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Eric-c (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been found in HKUDS nanobot up to 0.2.1. This affects the function _download_image_data_url of the file nanobot/providers/image_generation.py of the component Provider-returned Image URL Handler. The manipulation leads to server-side request forgery. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is 5095. It is recommended to apply a patch to fix this issue. The vendor explains: \"We confirm that provider-returned image URLs required the same SSRF protections applied to other network retrieval paths. (...) The patch is currently available on main and is planned for the next patch release, v0.3.1.\""
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 6.5,
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C",
            "version": "2.0"
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-07T21:00:14.107Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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      },
      "references": [
        {
          "name": "VDB-387000 | HKUDS nanobot Provider-returned Image URL image_generation.py _download_image_data_url server-side request forgery",
          "tags": [
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          ],
          "url": "https://vuldb.com/vuln/387000"
        },
        {
          "name": "VDB-387000 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/387000/cti"
        },
        {
          "name": "CVE-2026-19246 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-19246"
        },
        {
          "name": "Submit #865113 | HKUDS nanobot 0.2.1 Server-Side Request Forgery (CWE-918)",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/865113"
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          "url": "https://gist.github.com/YLChen-007/44bc77ac259e461c6938cc6c286c4430"
        },
        {
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            "issue-tracking",
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          ],
          "url": "https://github.com/HKUDS/nanobot/pull/5095"
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          "lang": "en",
          "time": "2026-08-07T14:13:06.000Z",
          "value": "VulDB entry last update"
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      ],
      "title": "HKUDS nanobot Provider-returned Image URL image_generation.py _download_image_data_url server-side request forgery",
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        "VulDB PVTS v202608"
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  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-19246",
    "datePublished": "2026-08-07T21:00:14.107Z",
    "dateReserved": "2026-08-07T12:07:59.093Z",
    "dateUpdated": "2026-08-14T15:56:36.046Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

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.

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.
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GHSA-G4FW-P4HW-GQ39

CVE-2026-19246 (GCVE-0-2026-19246)

Tags

Sightings

Nomenclature

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