CVE catalog

CVE-2026-5789

Vulnerability related to an unquoted search path in…

[CVE catalog]

Vulnerability related to an unquoted search path in CivetWeb v1.16. This vulnerability allows a local attacker to execute arbitrary code with elevated privileges by placing a malicious executable in a directory that is scanned before the intended application path (C:\Program Files\CivetWeb\CivetWeb.exe --), due to the absence of quotes in the service configuration.

Severity
High · CVSS 8.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published
Source
[NVD] · [CVE record]
EPSS
0.14% · Oct 27, 2026

Projects and upstream resources

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence
Original provider fields
{
  "package_releases": [
    {
      "name": "civetweb",
      "status": "not affected",
      "release": "sid",
      "version": "1.16+dfsg-6"
    },
    {
      "name": "civetweb",
      "status": "not affected",
      "release": "forky",
      "version": "1.16+dfsg-6"
    },
    {
      "name": "civetweb",
      "status": "not affected",
      "release": "trixie",
      "version": "1.16+dfsg-2+deb13u1"
    },
    {
      "name": "civetweb",
      "status": "not affected",
      "release": "bookworm",
      "version": "1.15+dfsg-4"
    }
  ],
  "fixed_versions": [
    {
      "bug": null,
      "name": "civetweb",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "unimportant",
      "fixed_version": "0"
    },
    {
      "bug": null,
      "name": "civetweb",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "unimportant",
      "fixed_version": "0"
    },
    {
      "bug": null,
      "name": "civetweb",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "unimportant",
      "fixed_version": "0"
    },
    {
      "bug": null,
      "name": "civetweb",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "unimportant",
      "fixed_version": "0"
    }
  ],
  "distribution_packages": [
    {
      "name": "civetweb",
      "ecosystem": "cpe",
      "fixed_version": ""
    },
    {
      "name": "civetweb",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "22.04",
      "versions": [
        "1.13+dfsg-5",
        "1.15+dfsg-1",
        "1.15+dfsg-3"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2026-5789"
    },
    {
      "name": "civetweb",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "24.04",
      "versions": [
        "1.16+dfsg-1",
        "1.16+dfsg-1build1",
        "1.16+dfsg-1ubuntu0.1"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2026-5789"
    },
    {
      "name": "civetweb",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "25.10",
      "versions": [
        "1.16+dfsg-2"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2026-5789"
    },
    {
      "name": "civetweb",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "26.04",
      "versions": [
        "1.16+dfsg-2",
        "1.16+dfsg-3",
        "1.16+dfsg-3ubuntu0.1"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2026-5789"
    }
  ]
}

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

  • [civetweb]Unknown
    Details (2)

    • 1.15+dfsg-4 · amd64 · bookworm

      Not affected

      nvd · civetweb · debian · bookworm

    • 1.15+dfsg-4 · arm64 · bookworm

      Not affected

      nvd · civetweb · debian · bookworm

  • [libcivetweb1]Unknown

    Source package: [civetweb]

    Details (2)

    • 1.15+dfsg-4 · amd64 · bookworm

      Not affected

      nvd · civetweb · debian · bookworm

    • 1.15+dfsg-4 · arm64 · bookworm

      Not affected

      nvd · civetweb · debian · bookworm

  • [libcivetweb-dev]Unknown

    Source package: [civetweb]

    Details (2)

    • 1.15+dfsg-4 · amd64 · bookworm

      Not affected

      nvd · civetweb · debian · bookworm

    • 1.15+dfsg-4 · arm64 · bookworm

      Not affected

      nvd · civetweb · debian · bookworm

Observed:

References

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]