Vulnerability-Lookup

UBUNTU-CVE-2026-41283 (CVE-2026-41283)

Vulnerability from osv_ubuntu – Published: 2026-06-04 04:17 – Updated: 2026-10-17 09:40 – Source website

Details

OpenStack Mistral through 22.0.0 allows Arbitrary Remote Code Execution when the API is exposed. There are endpoints that allow code execution, which can lead to exfiltration of service credentials.

Severity

9.9 (Critical)


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

9.9 (Critical)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-41283	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-41283	REPORT
	https://www.openwall.com/lists/oss-security/2026/…	REPORT
	https://launchpad.net/bugs/2147178	REPORT
	https://ubuntu.com/security/notices/USN-8422-1	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mistral-api",
            "binary_version": "2.0.0-1ubuntu2+esm1"
          },
          {
            "binary_name": "mistral-common",
            "binary_version": "2.0.0-1ubuntu2+esm1"
          },
          {
            "binary_name": "mistral-engine",
            "binary_version": "2.0.0-1ubuntu2+esm1"
          },
          {
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      },
      "ranges": [
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            }
          ],
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      ],
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        "1.0.0-4",
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        "2.0.0~rc2-1",
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    {
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            "binary_version": "6.0.0-0ubuntu1.1+esm1"
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            "binary_name": "mistral-engine",
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    },
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        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
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      },
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      ],
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      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
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            "binary_name": "mistral-api",
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            "binary_name": "mistral-common",
            "binary_version": "18.0.1-0ubuntu1.1"
          },
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            "binary_name": "mistral-engine",
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          },
          {
            "binary_name": "mistral-event-engine",
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            "binary_name": "mistral-executor",
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          },
          {
            "binary_name": "python3-mistral",
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      },
      "package": {
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      },
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        "17.0.0-0ubuntu1",
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    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
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            "binary_name": "mistral-api",
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          {
            "binary_name": "mistral-common",
            "binary_version": "21.0.0-0ubuntu1.1"
          },
          {
            "binary_name": "mistral-engine",
            "binary_version": "21.0.0-0ubuntu1.1"
          },
          {
            "binary_name": "mistral-event-engine",
            "binary_version": "21.0.0-0ubuntu1.1"
          },
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            "binary_name": "mistral-executor",
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          },
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            "binary_name": "python3-mistral",
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        ]
      },
      "package": {
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        "purl": "pkg:deb/ubuntu/mistral@21.0.0-0ubuntu1.1?arch=source\u0026distro=questing"
      },
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        "21.0.0~rc1-0ubuntu1",
        "21.0.0-0ubuntu1"
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    },
    {
      "ecosystem_specific": {
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            "binary_name": "mistral-api",
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          {
            "binary_name": "mistral-event-engine",
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          {
            "binary_name": "mistral-executor",
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      },
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  "aliases": [],
  "details": "OpenStack Mistral through 22.0.0 allows Arbitrary Remote Code Execution when the API is exposed. There are endpoints that allow code execution, which can lead to exfiltration of service credentials.",
  "id": "UBUNTU-CVE-2026-41283",
  "modified": "2026-10-17T09:40:57Z",
  "published": "2026-06-04T04:17:00Z",
  "references": [
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      "url": "https://ubuntu.com/security/CVE-2026-41283"
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      "url": "https://www.cve.org/CVERecord?id=CVE-2026-41283"
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      "type": "CVSS_V3"
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}

CVE-2026-41283 (GCVE-0-2026-41283)

Vulnerability from cvelistv5 – Published: 2026-06-04 00:00 – Updated: 2026-07-15 00:59

Summary

OpenStack Mistral through 22.0.0 allows Arbitrary Remote Code Execution when the API is exposed. There are endpoints that allow code execution, which can lead to exfiltration of service credentials.

Severity

9.9 (Critical)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-04 13:09 UTC

CWE

CWE-863 - Incorrect Authorization
CWE-749 - Exposed Dangerous Method or Function

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2334 records in the last 180 days details

References

7 references

URL	Tags
https://github.com/openstack/mistral/tags
https://www.openwall.com/lists/oss-security/2026/…
https://security.openstack.org/ossa/OSSA-2026-020.html
http://www.openwall.com/lists/oss-security/2026/0…
https://access.redhat.com/security/cve/CVE-2026-41283	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2484607	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex

Impacted products

2 products

Vendor	Product	Version
OpenStack	Mistral	Affected: 20.0.0 , < 20.1.1 (semver) Affected: 21.0.0 (semver) Affected: 22.0.0 (semver)
Red Hat	Red Hat OpenStack Platform 16.2	cpe:/a:redhat:openstack:16.2

Show details on NVD website

JSON

To clipboard

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USN-8422-1 (UBUNTU-CVE-2026-41283)

Vulnerability from osv_ubuntu – Published: 2026-06-11 12:55 – Updated: 2026-06-30 15:55 – Source website

Summary

mistral vulnerability

Details

Eduardo Gonzalez Gutierrez and Arnaud Morin discovered that Mistral did not properly enforce access policies on some API endpoints. An attacker could possibly execute arbitrary code on a Mistral worker and possibly extract sensitive data including service credentials from it.

References

URL

Type

	https://ubuntu.com/security/notices/USN-8422-1	ADVISORY
	https://ubuntu.com/security/CVE-2026-41283	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2026-41283",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "mistral-api",
            "binary_version": "14.0.0-0ubuntu1.1"
          },
          {
            "binary_name": "mistral-common",
            "binary_version": "14.0.0-0ubuntu1.1"
          },
          {
            "binary_name": "mistral-engine",
            "binary_version": "14.0.0-0ubuntu1.1"
          },
          {
            "binary_name": "mistral-event-engine",
            "binary_version": "14.0.0-0ubuntu1.1"
          },
          {
            "binary_name": "mistral-executor",
            "binary_version": "14.0.0-0ubuntu1.1"
          },
          {
            "binary_name": "python3-mistral",
            "binary_version": "14.0.0-0ubuntu1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "mistral",
        "purl": "pkg:deb/ubuntu/mistral@14.0.0-0ubuntu1.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "14.0.0-0ubuntu1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "13.0.0-0ubuntu1",
        "13.0.0+git2021120910.b2d6de56-0ubuntu1",
        "13.0.0+git2022030313.55bb2564-0ubuntu1",
        "14.0.0-0ubuntu1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2026-41283",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:24.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "mistral-api",
            "binary_version": "18.0.1-0ubuntu1.1"
          },
          {
            "binary_name": "mistral-common",
            "binary_version": "18.0.1-0ubuntu1.1"
          },
          {
            "binary_name": "mistral-engine",
            "binary_version": "18.0.1-0ubuntu1.1"
          },
          {
            "binary_name": "mistral-event-engine",
            "binary_version": "18.0.1-0ubuntu1.1"
          },
          {
            "binary_name": "mistral-executor",
            "binary_version": "18.0.1-0ubuntu1.1"
          },
          {
            "binary_name": "python3-mistral",
            "binary_version": "18.0.1-0ubuntu1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "mistral",
        "purl": "pkg:deb/ubuntu/mistral@18.0.1-0ubuntu1.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "18.0.1-0ubuntu1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "17.0.0-0ubuntu1",
        "18.0.0~rc1-0ubuntu1",
        "18.0.1-0ubuntu1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2026-41283",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:25.10"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "mistral-api",
            "binary_version": "21.0.0-0ubuntu1.1"
          },
          {
            "binary_name": "mistral-common",
            "binary_version": "21.0.0-0ubuntu1.1"
          },
          {
            "binary_name": "mistral-engine",
            "binary_version": "21.0.0-0ubuntu1.1"
          },
          {
            "binary_name": "mistral-event-engine",
            "binary_version": "21.0.0-0ubuntu1.1"
          },
          {
            "binary_name": "mistral-executor",
            "binary_version": "21.0.0-0ubuntu1.1"
          },
          {
            "binary_name": "python3-mistral",
            "binary_version": "21.0.0-0ubuntu1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "mistral",
        "purl": "pkg:deb/ubuntu/mistral@21.0.0-0ubuntu1.1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "21.0.0-0ubuntu1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "20.0.0-0ubuntu1",
        "21.0.0~rc1-0ubuntu1",
        "21.0.0-0ubuntu1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2026-41283",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:26.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "mistral-api",
            "binary_version": "22.0.0-0ubuntu1.1"
          },
          {
            "binary_name": "mistral-common",
            "binary_version": "22.0.0-0ubuntu1.1"
          },
          {
            "binary_name": "mistral-engine",
            "binary_version": "22.0.0-0ubuntu1.1"
          },
          {
            "binary_name": "mistral-event-engine",
            "binary_version": "22.0.0-0ubuntu1.1"
          },
          {
            "binary_name": "mistral-executor",
            "binary_version": "22.0.0-0ubuntu1.1"
          },
          {
            "binary_name": "python3-mistral",
            "binary_version": "22.0.0-0ubuntu1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "mistral",
        "purl": "pkg:deb/ubuntu/mistral@22.0.0-0ubuntu1.1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "22.0.0-0ubuntu1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "21.0.0-0ubuntu1",
        "21.0.0+git20260106.10.420677c8-0ubuntu1",
        "22.0.0-0ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "Eduardo Gonzalez Gutierrez and Arnaud Morin discovered that Mistral\ndid not properly enforce access policies on some API endpoints. An\nattacker could possibly execute arbitrary code on a Mistral worker and\npossibly extract sensitive data including service credentials from it.",
  "id": "USN-8422-1",
  "modified": "2026-06-30T15:55:21Z",
  "published": "2026-06-11T12:55:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8422-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-41283"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "mistral vulnerability",
  "upstream": [
    "UBUNTU-CVE-2026-41283"
  ]
}

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.

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UBUNTU-CVE-2026-41283 (CVE-2026-41283)

CVE-2026-41283 (GCVE-0-2026-41283)

USN-8422-1 (UBUNTU-CVE-2026-41283)

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