Vulnerability-Lookup

OESA-2026-2450 (CVE-2026-42307)

Vulnerability from osv_openeuler – Published: 2026-05-22 11:11 – Updated: 2026-08-06 11:11 – Source website

Summary

vim security update

Details

Vim is an advanced text editor that seeks to provide the power of the de-facto Unix editor 'Vi', with a more complete feature set. Vim is a highly configurable text editor built to enable efficient text editing. It is an improved version of the vi editor distributed with most UNIX systems.

Security Fix(es):

Vim is an open source, command line text editor. Prior to version 9.2.0383, an OS command injection vulnerability exists in the netrw standard plugin bundled with Vim. By inducing a user to open a crafted URL (e.g., using the sftp:// or file:// protocol handlers), an attacker can execute arbitrary shell commands with the privileges of the Vim process. This issue has been patched in version 9.2.0383.(CVE-2026-42307)

Vim is an open source, command line text editor. Prior to version 9.2.0435, an OS command injection vulnerability exists in Vim's :find command-line completion. When the path option contains backtick-enclosed shell commands, those commands are executed during file name completion. Because the path option lacks the P_SECURE flag, it can be set from a modeline, allowing an attacker who controls the contents of a file to execute arbitrary shell commands when the user opens that file in Vim and triggers :find completion. This issue has been patched in version 9.2.0435.(CVE-2026-44656)

Vim is an open source, command line text editor. Prior to version 9.2.0450, a heap buffer overflow exists in read_compound() in src/spellfile.c when loading a crafted spell file (.spl) with UTF-8 encoding active. An attacker-controlled length field in the spell file's compound section overflows a 32-bit signed integer multiplication, causing a small buffer to be allocated for a write loop that runs many iterations, overflowing the heap. Because the 'spelllang' option can be set from a modeline, a text file modeline can trigger spell file loading if a malicious .spl file has been planted on the runtimepath. This issue has been patched in version 9.2.0450.(CVE-2026-45130)

Severity

5.5 (Medium)


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

References

URL

Type

	https://www.openeuler.org/zh/security/security-bu…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2026-42307	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2026-44656	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2026-45130	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "vim-X11-9.0-47.oe2003sp4.aarch64.rpm",
          "vim-common-9.0-47.oe2003sp4.aarch64.rpm",
          "vim-debuginfo-9.0-47.oe2003sp4.aarch64.rpm",
          "vim-debugsource-9.0-47.oe2003sp4.aarch64.rpm",
          "vim-enhanced-9.0-47.oe2003sp4.aarch64.rpm",
          "vim-minimal-9.0-47.oe2003sp4.aarch64.rpm"
        ],
        "noarch": [
          "vim-filesystem-9.0-47.oe2003sp4.noarch.rpm"
        ],
        "src": [
          "vim-9.0-47.oe2003sp4.src.rpm"
        ],
        "x86_64": [
          "vim-X11-9.0-47.oe2003sp4.x86_64.rpm",
          "vim-common-9.0-47.oe2003sp4.x86_64.rpm",
          "vim-debuginfo-9.0-47.oe2003sp4.x86_64.rpm",
          "vim-debugsource-9.0-47.oe2003sp4.x86_64.rpm",
          "vim-enhanced-9.0-47.oe2003sp4.x86_64.rpm",
          "vim-minimal-9.0-47.oe2003sp4.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP4",
        "name": "vim",
        "purl": "pkg:rpm/openEuler/vim\u0026distro=openEuler-20.03-LTS-SP4"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.0-47.oe2003sp4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "Medium"
  },
  "details": "Vim is an advanced text editor that seeks to provide the power of the de-facto Unix editor \u0026amp;apos;Vi\u0026amp;apos;, with a more complete feature set. Vim is a highly configurable text editor built to enable efficient text editing. It is an improved version of the vi editor distributed with most UNIX systems.\r\n\r\nSecurity Fix(es):\n\nVim is an open source, command line text editor. Prior to version 9.2.0383, an OS command injection vulnerability exists in the netrw standard plugin bundled with Vim. By inducing a user to open a crafted URL (e.g., using the sftp:// or file:// protocol handlers), an attacker can execute arbitrary shell commands with the privileges of the Vim process. This issue has been patched in version 9.2.0383.(CVE-2026-42307)\n\nVim is an open source, command line text editor. Prior to version 9.2.0435, an OS command injection vulnerability exists in Vim\u0026apos;s :find command-line completion. When the path option contains backtick-enclosed shell commands, those commands are executed during file name completion. Because the path option lacks the P_SECURE flag, it can be set from a modeline, allowing an attacker who controls the contents of a file to execute arbitrary shell commands when the user opens that file in Vim and triggers :find completion. This issue has been patched in version 9.2.0435.(CVE-2026-44656)\n\nVim is an open source, command line text editor. Prior to version 9.2.0450, a heap buffer overflow exists in read_compound() in src/spellfile.c when loading a crafted spell file (.spl) with UTF-8 encoding active. An attacker-controlled length field in the spell file\u0026apos;s compound section overflows a 32-bit signed integer multiplication, causing a small buffer to be allocated for a write loop that runs many iterations, overflowing the heap. Because the \u0026apos;spelllang\u0026apos; option can be set from a modeline, a text file modeline can trigger spell file loading if a malicious .spl file has been planted on the runtimepath. This issue has been patched in version 9.2.0450.(CVE-2026-45130)",
  "id": "OESA-2026-2450",
  "modified": "2026-08-06T11:11:24Z",
  "published": "2026-05-22T11:11:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2450"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42307"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44656"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45130"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "vim security update",
  "upstream": [
    "CVE-2026-42307",
    "CVE-2026-44656",
    "CVE-2026-45130"
  ]
}

CVE-2026-42307 (GCVE-0-2026-42307)

Vulnerability from cvelistv5 – Published: 2026-05-08 22:38 – Updated: 2026-05-13 17:46

Title

Vim: OS Command Injection in netrw

Summary

Severity

4.4 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-13 17:24 UTC

CWE

CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/vim/vim/security/advisories/GH…	x_refsource_CONFIRM
https://github.com/vim/vim/commit/405e2fb6d54d565…	x_refsource_MISC
https://github.com/vim/vim/releases/tag/v9.2.0383	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
vim	vim	Affected: < 9.2.0383

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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            "baseScore": 4.4,
            "baseSeverity": "MEDIUM",
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        {
          "name": "https://github.com/vim/vim/security/advisories/GHSA-85ch-p2qr-m5gx",
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          ],
          "url": "https://github.com/vim/vim/security/advisories/GHSA-85ch-p2qr-m5gx"
        },
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}

CVE-2026-44656 (GCVE-0-2026-44656)

Vulnerability from cvelistv5 – Published: 2026-05-08 22:40 – Updated: 2026-05-11 14:36

Title

Vim: OS Command Injection via 'path' completion

Summary

Severity

4.6 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-11 14:36 UTC

CWE

CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/vim/vim/security/advisories/GH…	x_refsource_CONFIRM
https://github.com/vim/vim/commit/190cb3c2b9c769a…	x_refsource_MISC
https://github.com/vim/vim/releases/tag/v9.2.0435	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
vim	vim	Affected: < 9.2.0435

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-44656",
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      }
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          "product": "vim",
          "vendor": "vim",
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            {
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            }
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      ],
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          "lang": "en",
          "value": "Vim is an open source, command line text editor. Prior to version 9.2.0435, an OS command injection vulnerability exists in Vim\u0027s :find command-line completion. When the path option contains backtick-enclosed shell commands, those commands are executed during file name completion. Because the path option lacks the P_SECURE flag, it can be set from a modeline, allowing an attacker who controls the contents of a file to execute arbitrary shell commands when the user opens that file in Vim and triggers :find completion. This issue has been patched in version 9.2.0435."
        }
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CVE-2026-45130 (GCVE-0-2026-45130)

Vulnerability from cvelistv5 – Published: 2026-05-08 22:42 – Updated: 2026-05-14 05:17

Title

Vim: Heap Buffer Overflow in spell file loading

Summary

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: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-12 13:10 UTC

CWE

CWE-122 - Heap-based Buffer Overflow
CWE-190 - Integer Overflow or Wraparound

Assigner

GitHub_M mitre root

References

4 references

URL	Tags
https://github.com/vim/vim/security/advisories/GH…	x_refsource_CONFIRM
https://github.com/vim/vim/commit/92993329178cb1f…	x_refsource_MISC
https://github.com/vim/vim/releases/tag/v9.2.0450	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2026/05/14/3

Impacted products

1 product

Vendor	Product	Version
vim	vim	Affected: < 9.2.0450

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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      {
        "metrics": [
          {
            "other": {
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                "id": "CVE-2026-45130",
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        }
      ],
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        },
        {
          "name": "https://github.com/vim/vim/releases/tag/v9.2.0450",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/vim/vim/releases/tag/v9.2.0450"
        }
      ],
      "source": {
        "advisory": "GHSA-q4jv-r9gj-6cwv",
        "discovery": "UNKNOWN"
      },
      "title": "Vim: Heap Buffer Overflow in spell file loading"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-45130",
    "datePublished": "2026-05-08T22:42:35.097Z",
    "dateReserved": "2026-05-08T20:08:17.209Z",
    "dateUpdated": "2026-05-14T05:17:31.652Z",
    "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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

OESA-2026-2450 (CVE-2026-42307)

CVE-2026-42307 (GCVE-0-2026-42307)

CVE-2026-44656 (GCVE-0-2026-44656)

CVE-2026-45130 (GCVE-0-2026-45130)

Tags

Sightings

Nomenclature

Related by attack behaviour