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    2 vulnerabilities by mawww

    CVE-2026-48120 (GCVE-0-2026-48120)

    Vulnerability from nvd – Published: 2026-08-07 22:34 – Updated: 2026-08-07 22:34
    VLAI
    Title
    Kakoune has a Critical RCE via Autorestore Backup Filename Injection
    Summary
    Kakoune is a code editor. Prior to version 2026.05.21, the bundled, enabled by default, `autorestore.kak` script can be exploited by malicious backup files leading to arbitrary kakoune and shell commands being executed by simply opening a file. Kakoune 2026.05.21 fixes the issue. As a workaround, add `autorestore-disable` to the user kakrc will disable the autorestore feature.
    Severity
    8.6 (High)
    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
    CWE
    • CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
    Assigner
    References
    Impacted products
    Vendor Product Version
    mawww kakoune Affected: < 2026.05.21
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "kakoune",
          "vendor": "mawww",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2026.05.21"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Kakoune is a code editor. Prior to version 2026.05.21, the bundled, enabled by default, `autorestore.kak` script can be exploited by malicious backup files leading to arbitrary kakoune and shell commands being executed by simply opening a file. Kakoune 2026.05.21 fixes the issue. As a workaround, add `autorestore-disable` to the user kakrc will disable the autorestore feature."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-74",
              "description": "CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component (\u0027Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-07T22:34:02.607Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/mawww/kakoune/security/advisories/GHSA-h99r-h8cp-vwcq",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/mawww/kakoune/security/advisories/GHSA-h99r-h8cp-vwcq"
        },
        {
          "name": "https://github.com/mawww/kakoune/commit/25c7b13b244fd1ddacc63ecfe1784b5ebc2ba825",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/mawww/kakoune/commit/25c7b13b244fd1ddacc63ecfe1784b5ebc2ba825"
        }
      ],
      "source": {
        "advisory": "GHSA-h99r-h8cp-vwcq",
        "discovery": "UNKNOWN"
      },
      "title": "Kakoune has a Critical RCE via Autorestore Backup Filename Injection"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-48120",
    "datePublished": "2026-08-07T22:34:02.607Z",
    "dateReserved": "2026-05-20T18:46:58.290Z",
    "dateUpdated": "2026-08-07T22:34:02.607Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

    CVE-2026-48120 (GCVE-0-2026-48120)

    Vulnerability from cvelistv5 – Published: 2026-08-07 22:34 – Updated: 2026-08-07 22:34
    VLAI
    Title
    Kakoune has a Critical RCE via Autorestore Backup Filename Injection
    Summary
    Kakoune is a code editor. Prior to version 2026.05.21, the bundled, enabled by default, `autorestore.kak` script can be exploited by malicious backup files leading to arbitrary kakoune and shell commands being executed by simply opening a file. Kakoune 2026.05.21 fixes the issue. As a workaround, add `autorestore-disable` to the user kakrc will disable the autorestore feature.
    Severity
    8.6 (High)
    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
    CWE
    • CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
    Assigner
    References
    Impacted products
    Vendor Product Version
    mawww kakoune Affected: < 2026.05.21
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "kakoune",
          "vendor": "mawww",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2026.05.21"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Kakoune is a code editor. Prior to version 2026.05.21, the bundled, enabled by default, `autorestore.kak` script can be exploited by malicious backup files leading to arbitrary kakoune and shell commands being executed by simply opening a file. Kakoune 2026.05.21 fixes the issue. As a workaround, add `autorestore-disable` to the user kakrc will disable the autorestore feature."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-74",
              "description": "CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component (\u0027Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-07T22:34:02.607Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/mawww/kakoune/security/advisories/GHSA-h99r-h8cp-vwcq",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/mawww/kakoune/security/advisories/GHSA-h99r-h8cp-vwcq"
        },
        {
          "name": "https://github.com/mawww/kakoune/commit/25c7b13b244fd1ddacc63ecfe1784b5ebc2ba825",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/mawww/kakoune/commit/25c7b13b244fd1ddacc63ecfe1784b5ebc2ba825"
        }
      ],
      "source": {
        "advisory": "GHSA-h99r-h8cp-vwcq",
        "discovery": "UNKNOWN"
      },
      "title": "Kakoune has a Critical RCE via Autorestore Backup Filename Injection"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-48120",
    "datePublished": "2026-08-07T22:34:02.607Z",
    "dateReserved": "2026-05-20T18:46:58.290Z",
    "dateUpdated": "2026-08-07T22:34:02.607Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}