ubuntu-cve-2026-52860
Vulnerability from osv_ubuntu
Published
2026-06-11 19:16
Modified
2026-06-30 16:22
Summary
Details

Vim is an open source, command line text editor. Prior to version 9.2.0597, Vim's Python omni-completion executes reconstructed function and class definitions from the current buffer with exec() as part of populating the completion dictionary. Python evaluates function default values, parameter annotations, and class base expressions at definition time, so a hostile buffer can execute attacker-controlled Python expressions during omni-completion. The existing g:pythoncomplete_allow_import mitigation (GHSA-52mc-rq6p-rc7c) does not cover this path, because the attacker-controlled code is not a harvested import/from statement. This issue has been patched in version 9.2.0597.

Severity
7.5 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.0 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "vim",
            "binary_version": "2:7.4.052-1ubuntu3.1+esm29"
          },
          {
            "binary_name": "vim-athena",
            "binary_version": "2:7.4.052-1ubuntu3.1+esm29"
          },
          {
            "binary_name": "vim-common",
            "binary_version": "2:7.4.052-1ubuntu3.1+esm29"
          },
          {
            "binary_name": "vim-gnome",
            "binary_version": "2:7.4.052-1ubuntu3.1+esm29"
          },
          {
            "binary_name": "vim-gtk",
            "binary_version": "2:7.4.052-1ubuntu3.1+esm29"
          },
          {
            "binary_name": "vim-gui-common",
            "binary_version": "2:7.4.052-1ubuntu3.1+esm29"
          },
          {
            "binary_name": "vim-lesstif",
            "binary_version": "2:7.4.052-1ubuntu3.1+esm29"
          },
          {
            "binary_name": "vim-nox",
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          },
          {
            "binary_name": "vim-runtime",
            "binary_version": "2:7.4.052-1ubuntu3.1+esm29"
          },
          {
            "binary_name": "vim-tiny",
            "binary_version": "2:7.4.052-1ubuntu3.1+esm29"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
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        "purl": "pkg:deb/ubuntu/vim@2:7.4.052-1ubuntu3.1+esm29?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
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            },
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            "binary_name": "vim-athena-py2",
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          {
            "binary_name": "vim-gtk-py2",
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    },
    {
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        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "vim",
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          {
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          {
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          {
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          {
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          {
            "binary_name": "vim-nox",
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          {
            "binary_name": "vim-runtime",
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          {
            "binary_name": "vim-tiny",
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        "ecosystem": "Ubuntu:Pro:18.04:LTS",
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        {
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            {
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        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
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          {
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            "binary_name": "vim-tiny",
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            "binary_name": "xxd",
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        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "vim",
        "purl": "pkg:deb/ubuntu/vim@2:9.1.0016-1ubuntu7.16?arch=source\u0026distro=noble"
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      "versions": [
        "2:9.0.1672-1ubuntu2",
        "2:9.0.2087-1ubuntu1",
        "2:9.0.2116-1ubuntu1",
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    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
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            "binary_name": "vim",
            "binary_version": "2:9.1.0967-1ubuntu6.7"
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      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "vim",
        "purl": "pkg:deb/ubuntu/vim@2:9.1.0967-1ubuntu6.7?arch=source\u0026distro=questing"
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          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:9.1.0967-1ubuntu4",
        "2:9.1.0967-1ubuntu5",
        "2:9.1.0967-1ubuntu6",
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        "name": "vim",
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      },
      "ranges": [
        {
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      "versions": [
        "2:9.1.0967-1ubuntu6",
        "2:9.1.1882-1ubuntu1",
        "2:9.1.1882-1ubuntu2",
        "2:9.1.2141-1ubuntu1",
        "2:9.1.2141-1ubuntu2",
        "2:9.1.2141-1ubuntu4",
        "2:9.1.2141-1ubuntu4.1",
        "2:9.1.2141-1ubuntu4.2",
        "2:9.1.2141-1ubuntu4.3"
      ]
    }
  ],
  "aliases": [],
  "details": "Vim is an open source, command line text editor. Prior to version 9.2.0597, Vim\u0027s Python omni-completion executes reconstructed function and class definitions from the current buffer with exec() as part of populating the completion dictionary. Python evaluates function default values, parameter annotations, and class base expressions at definition time, so a hostile buffer can execute attacker-controlled Python expressions during omni-completion. The existing g:pythoncomplete_allow_import mitigation (GHSA-52mc-rq6p-rc7c) does not cover this path, because the attacker-controlled code is not a harvested import/from statement. This issue has been patched in version 9.2.0597.",
  "id": "UBUNTU-CVE-2026-52860",
  "modified": "2026-06-30T16:22:54Z",
  "published": "2026-06-11T19:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-52860"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-52860"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/vim/vim/security/advisories/GHSA-65p9-mwwx-7468"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/vim/vim/commit/c8c63673bc4253212820626aeeb75999d9a539d2"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/vim/vim/releases/tag/v9.2.0597"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/vim/vim/security/advisories/GHSA-52mc-rq6p-rc7c"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8451-1"
    }
  ],
  "related": [
    "USN-8451-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-52860"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.