Vulnerability-Lookup

GHSA-9XGC-J99M-JVR5

Vulnerability from github – Published: 2026-02-08 12:30 – Updated: 2026-02-08 12:30

Details

A security flaw has been discovered in guchengwuyue yshopmall up to 1.9.1. This affects the function updateAvatar of the file /api/users/updateAvatar of the component co.yixiang.utils.FileUtil. Performing a manipulation of the argument File results in unrestricted upload. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

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-2026-2146"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-284",
      "CWE-434"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-08T10:15:49Z",
    "severity": "MODERATE"
  },
  "details": "A security flaw has been discovered in guchengwuyue yshopmall up to 1.9.1. This affects the function updateAvatar of the file /api/users/updateAvatar of the component co.yixiang.utils.FileUtil. Performing a manipulation of the argument File results in unrestricted upload. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.",
  "id": "GHSA-9xgc-j99m-jvr5",
  "modified": "2026-02-08T12:30:26Z",
  "published": "2026-02-08T12:30:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2146"
    },
    {
      "type": "WEB",
      "url": "https://github.com/guchengwuyue/yshopmall/issues/40"
    },
    {
      "type": "WEB",
      "url": "https://github.com/guchengwuyue/yshopmall/issues/40#issue-3860542812"
    },
    {
      "type": "WEB",
      "url": "https://github.com/guchengwuyue/yshopmall"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?ctiid.344848"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?id.344848"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?submit.747409"
    }
  ],
  "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-2026-2146 (GCVE-0-2026-2146)

Vulnerability from cvelistv5 – Published: 2026-02-08 09:32 – Updated: 2026-02-23 09:40

Title

guchengwuyue yshopmall co.yixiang.utils.FileUtil updateAvatar unrestricted upload

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:X/RC:R

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:X/RC:R

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-02-10 21:19 UTC

CWE

CWE-434 - Unrestricted Upload
CWE-284 - Improper Access Controls

Assigner

VulDB mitre root

References

6 references

URL	Tags
https://vuldb.com/?id.344848	vdb-entrytechnical-description
https://vuldb.com/?ctiid.344848	signaturepermissions-required
https://vuldb.com/?submit.747409	third-party-advisory
https://github.com/guchengwuyue/yshopmall/issues/40	issue-tracking
https://github.com/guchengwuyue/yshopmall/issues/…	exploitissue-tracking
https://github.com/guchengwuyue/yshopmall/	product

Impacted products

1 product

Vendor	Product	Version
guchengwuyue	yshopmall	Affected: 1.9.0 Affected: 1.9.1 cpe:2.3:a:guchengwuyue:yshopmall::::::::

Credits

mukyuuhate (VulDB User)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-2146",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-10T21:19:14.862797Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-10T21:19:22.192Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:guchengwuyue:yshopmall:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "co.yixiang.utils.FileUtil"
          ],
          "product": "yshopmall",
          "vendor": "guchengwuyue",
          "versions": [
            {
              "status": "affected",
              "version": "1.9.0"
            },
            {
              "status": "affected",
              "version": "1.9.1"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "mukyuuhate (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A security flaw has been discovered in guchengwuyue yshopmall up to 1.9.1. This affects the function updateAvatar of the file /api/users/updateAvatar of the component co.yixiang.utils.FileUtil. Performing a manipulation of the argument File results in unrestricted upload. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet."
        }
      ],
      "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:X/RC:R",
            "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:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 6.5,
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-434",
              "description": "Unrestricted Upload",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-284",
              "description": "Improper Access Controls",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-23T09:40:29.328Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-344848 | guchengwuyue yshopmall co.yixiang.utils.FileUtil updateAvatar unrestricted upload",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.344848"
        },
        {
          "name": "VDB-344848 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.344848"
        },
        {
          "name": "Submit #747409 | https://github.com/guchengwuyue/yshopmall yshopmall V1.9.1 Incomplete Identification of Uploaded File Variables",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.747409"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/guchengwuyue/yshopmall/issues/40"
        },
        {
          "tags": [
            "exploit",
            "issue-tracking"
          ],
          "url": "https://github.com/guchengwuyue/yshopmall/issues/40#issue-3860542812"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/guchengwuyue/yshopmall/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-02-07T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-02-07T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-02-18T02:23:40.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "guchengwuyue yshopmall co.yixiang.utils.FileUtil updateAvatar unrestricted upload"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-2146",
    "datePublished": "2026-02-08T09:32:07.064Z",
    "dateReserved": "2026-02-07T07:49:51.903Z",
    "dateUpdated": "2026-02-23T09:40:29.328Z",
    "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.

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.

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GHSA-9XGC-J99M-JVR5

CVE-2026-2146 (GCVE-0-2026-2146)

Tags

Sightings

Nomenclature

Related by attack behaviour