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    4 vulnerabilities by msiemens

    CVE-2026-46671 (GCVE-0-2026-46671)

    Vulnerability from nvd – Published: 2026-07-20 15:56 – Updated: 2026-07-20 17:31
    VLAI
    Title
    Rust OneNote File Parser: Path traversal in `Parser::parse_notebook` allows reading files outside the notebook directory
    Summary
    Rust OneNote File Parser is a parser for Microsoft OneNote files implemented in Rust. Prior to version 1.1.1, a maliciously crafted `.onetoc2` table-of-contents file can cause `Parser::parse_notebook` to open arbitrary files on the host filesystem outside the notebook's directory. The parser reads entry names listed inside the `.onetoc2` and joins them against the notebook's base directory without validating that they are relative paths confined to that directory. The parser will bail out when the target file fails to parse as a OneNote section, so direct content exfiltration through the parser's return value is not practical, though file-existence probing and denial-of-service via large or special files remain possible. Anyone using `onenote_parser` to parse .onetoc2 files received from untrusted sources is affected. Users who only ever parse their own notebooks are not at meaningful risk. The issue is fixed in onenote_parser 1.1.1. The fix rejects absolute paths, parent-directory components, and other invalid path characters in entry names, and additionally canonicalises the resolved path to confirm it stays inside the notebook's base directory. For users who cannot upgrade to 1.1.1, only call `Parser::parse_notebook` on `.onetoc2` files from trusted sources. Alternatively, use `Parser::parse_section` / `Parser::parse_section_buffer` on individual .one files, which do not perform the directory walk.
    Severity
    4.4 (Medium)
    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    Assigner
    References
    Impacted products
    Vendor Product Version
    msiemens onenote.rs Affected: < 1.1.1
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-22810 (GCVE-0-2026-22810)

    Vulnerability from nvd – Published: 2026-05-18 20:23 – Updated: 2026-05-20 03:55
    VLAI
    Title
    Joplin: Path traversal in OneNote importer allows overwriting arbitrary files
    Summary
    Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Versions prior to 3.5.7 contain a path traversal vulnerability in the importer which allows overwriting arbitrary files on disk. The OneNote converter does not sanitize the names of embedded files before writing them to disk. As a result, it's possible for an attacker to create a malicious .one file that includes file names containing ../../, that are then interpreted as part of the target path when extracting attachments from the .one file. This issue has been patched in version 3.5.7.
    Severity
    8.2 (High)
    CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-24 - Path Traversal: '../filedir'
    Assigner
    References
    Impacted products
    Vendor Product Version
    laurent22 joplin Affected: < 3.5.7
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-46671 (GCVE-0-2026-46671)

    Vulnerability from cvelistv5 – Published: 2026-07-20 15:56 – Updated: 2026-07-20 17:31
    VLAI
    Title
    Rust OneNote File Parser: Path traversal in `Parser::parse_notebook` allows reading files outside the notebook directory
    Summary
    Rust OneNote File Parser is a parser for Microsoft OneNote files implemented in Rust. Prior to version 1.1.1, a maliciously crafted `.onetoc2` table-of-contents file can cause `Parser::parse_notebook` to open arbitrary files on the host filesystem outside the notebook's directory. The parser reads entry names listed inside the `.onetoc2` and joins them against the notebook's base directory without validating that they are relative paths confined to that directory. The parser will bail out when the target file fails to parse as a OneNote section, so direct content exfiltration through the parser's return value is not practical, though file-existence probing and denial-of-service via large or special files remain possible. Anyone using `onenote_parser` to parse .onetoc2 files received from untrusted sources is affected. Users who only ever parse their own notebooks are not at meaningful risk. The issue is fixed in onenote_parser 1.1.1. The fix rejects absolute paths, parent-directory components, and other invalid path characters in entry names, and additionally canonicalises the resolved path to confirm it stays inside the notebook's base directory. For users who cannot upgrade to 1.1.1, only call `Parser::parse_notebook` on `.onetoc2` files from trusted sources. Alternatively, use `Parser::parse_section` / `Parser::parse_section_buffer` on individual .one files, which do not perform the directory walk.
    Severity
    4.4 (Medium)
    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    Assigner
    References
    Impacted products
    Vendor Product Version
    msiemens onenote.rs Affected: < 1.1.1
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-22810 (GCVE-0-2026-22810)

    Vulnerability from cvelistv5 – Published: 2026-05-18 20:23 – Updated: 2026-05-20 03:55
    VLAI
    Title
    Joplin: Path traversal in OneNote importer allows overwriting arbitrary files
    Summary
    Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Versions prior to 3.5.7 contain a path traversal vulnerability in the importer which allows overwriting arbitrary files on disk. The OneNote converter does not sanitize the names of embedded files before writing them to disk. As a result, it's possible for an attacker to create a malicious .one file that includes file names containing ../../, that are then interpreted as part of the target path when extracting attachments from the .one file. This issue has been patched in version 3.5.7.
    Severity
    8.2 (High)
    CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-24 - Path Traversal: '../filedir'
    Assigner
    References
    Impacted products
    Vendor Product Version
    laurent22 joplin Affected: < 3.5.7
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/laurent22/joplin/security/advisories/GHSA-gcmj-c9gg-9vh6"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "joplin",
          "vendor": "laurent22",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 3.5.7"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Versions prior to 3.5.7 contain a path traversal vulnerability in the importer which allows overwriting arbitrary files on disk. The OneNote converter does not sanitize the names of embedded files before writing them to disk. As a result, it\u0027s possible for an attacker to create a malicious .one file that includes file names containing ../../, that are then interpreted as part of the target path when extracting attachments from the .one file. This issue has been patched in version 3.5.7."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-24",
              "description": "CWE-24: Path Traversal: \u0027../filedir\u0027",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-18T20:23:57.607Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/laurent22/joplin/security/advisories/GHSA-gcmj-c9gg-9vh6",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/laurent22/joplin/security/advisories/GHSA-gcmj-c9gg-9vh6"
        },
        {
          "name": "https://github.com/laurent22/joplin/pull/13736",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/laurent22/joplin/pull/13736"
        },
        {
          "name": "https://github.com/laurent22/joplin/commit/791668455e1aae50501ff57ea4783b3fba9d377c",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/laurent22/joplin/commit/791668455e1aae50501ff57ea4783b3fba9d377c"
        },
        {
          "name": "https://github.com/laurent22/joplin/blob/af5108d70233b1db9410346958c1587cf7c1b16d/packages/onenote-converter/renderer/src/page/embedded_file.rs#L13-L16",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/laurent22/joplin/blob/af5108d70233b1db9410346958c1587cf7c1b16d/packages/onenote-converter/renderer/src/page/embedded_file.rs#L13-L16"
        },
        {
          "name": "https://github.com/laurent22/joplin/releases/tag/v3.5.7",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/laurent22/joplin/releases/tag/v3.5.7"
        }
      ],
      "source": {
        "advisory": "GHSA-gcmj-c9gg-9vh6",
        "discovery": "UNKNOWN"
      },
      "title": "Joplin: Path traversal in OneNote importer allows overwriting arbitrary files"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-22810",
    "datePublished": "2026-05-18T20:23:57.607Z",
    "dateReserved": "2026-01-09T22:50:10.288Z",
    "dateUpdated": "2026-05-20T03:55:23.355Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}