Vulnerability-Lookup

GHSA-V6H7-975G-34X5

Vulnerability from github – Published: 2026-04-27 09:34 – Updated: 2026-04-27 12:30

Details

Successful exploitation of the string injection vulnerability could allow an attacker to obtain memory address information or crash the application.

Severity

6.6 (Medium)


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

10.0 (Critical)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-3008"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-134"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-27T07:16:03Z",
    "severity": "CRITICAL"
  },
  "details": "Successful exploitation of the\nstring injection vulnerability could allow an attacker to obtain memory address\ninformation or crash the application.",
  "id": "GHSA-v6h7-975g-34x5",
  "modified": "2026-04-27T12:30:38Z",
  "published": "2026-04-27T09:34:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-3008"
    },
    {
      "type": "WEB",
      "url": "https://github.com/notepad-plus-plus/notepad-plus-plus/issues/17960"
    },
    {
      "type": "WEB",
      "url": "https://community.notepad-plus-plus.org/topic/27500/notepad-v8-9-4-release-candidate"
    },
    {
      "type": "WEB",
      "url": "https://github.com/llgsjsm/cve-2026-3008"
    },
    {
      "type": "WEB",
      "url": "https://llgsjsm.github.io/cve-2026-3008"
    },
    {
      "type": "WEB",
      "url": "https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-044"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/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-2026-3008 (GCVE-0-2026-3008)

Vulnerability from cvelistv5 – Published: 2026-04-27 06:04 – Updated: 2026-04-27 13:29

Title

Vulnerability in Notepad++

Summary

Successful exploitation of the string injection vulnerability could allow an attacker to obtain memory address information or crash the application.

Severity

6.6 (Medium)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-134 - Use of Externally-Controlled Format String

Assigner

CSA

References

5 references

URL	Tags
https://www.csa.gov.sg/alerts-and-advisories/aler…
https://community.notepad-plus-plus.org/topic/275…
https://github.com/llgsjsm/cve-2026-3008
https://llgsjsm.github.io/cve-2026-3008/
https://github.com/notepad-plus-plus/notepad-plus…

Impacted products

1 product

Vendor	Product	Version
Notepad++	Notepad++	Affected: 8.9.3

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JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-3008",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-27T13:09:36.243190Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-134",
                "description": "CWE-134 Use of Externally-Controlled Format String",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-27T13:29:42.232Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/llgsjsm/cve-2026-3008"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Notepad++",
          "vendor": "Notepad++",
          "versions": [
            {
              "status": "affected",
              "version": "8.9.3"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eSuccessful exploitation of the\nstring injection vulnerability could allow an attacker to obtain memory address\ninformation or crash the application.\u003c/p\u003e"
            }
          ],
          "value": "Successful exploitation of the\nstring injection vulnerability could allow an attacker to obtain memory address\ninformation or crash the application."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-27T09:31:19.627Z",
        "orgId": "5f57b9bf-260d-4433-bf07-b6a79e9bb7d4",
        "shortName": "CSA"
      },
      "references": [
        {
          "url": "https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-044/"
        },
        {
          "url": "https://community.notepad-plus-plus.org/topic/27500/notepad-v8-9-4-release-candidate"
        },
        {
          "url": "https://github.com/llgsjsm/cve-2026-3008"
        },
        {
          "url": "https://llgsjsm.github.io/cve-2026-3008/"
        },
        {
          "url": "https://github.com/notepad-plus-plus/notepad-plus-plus/issues/17960"
        }
      ],
      "solutions": [
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          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eUsers and administrators of the\naffected product version are advised to update to the latest version 8.9.4\nimmediately.\u003c/p\u003e"
            }
          ],
          "value": "Users and administrators of the\naffected product version are advised to update to the latest version 8.9.4\nimmediately."
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Vulnerability in Notepad++",
      "x_generator": {
        "engine": "Vulnogram 1.0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "5f57b9bf-260d-4433-bf07-b6a79e9bb7d4",
    "assignerShortName": "CSA",
    "cveId": "CVE-2026-3008",
    "datePublished": "2026-04-27T06:04:22.186Z",
    "dateReserved": "2026-02-23T05:15:46.334Z",
    "dateUpdated": "2026-04-27T13:29:42.232Z",
    "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.

Action not permitted

GHSA-V6H7-975G-34X5

CVE-2026-3008 (GCVE-0-2026-3008)

Tags

Sightings

Nomenclature