Vulnerability-Lookup

UBUNTU-CVE-2026-39275 (CVE-2026-39275)

Vulnerability from osv_ubuntu – Published: 2026-08-26 21:16 – Updated: 2026-09-16 11:33 – Source website

Details

Cross Site Scripting vulnerability in Cockpit CMS v.2.13.5 and before allows a remote attacker to execute arbitrary code via the item.php, field-select.js and tags.js components

Severity

6.1 (Medium)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-39275	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-39275	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "cockpit",
            "binary_version": "164-1"
          },
          {
            "binary_name": "cockpit-bridge",
            "binary_version": "164-1"
          },
          {
            "binary_name": "cockpit-dashboard",
            "binary_version": "164-1"
          },
          {
            "binary_name": "cockpit-docker",
            "binary_version": "164-1"
          },
          {
            "binary_name": "cockpit-machines",
            "binary_version": "164-1"
          },
          {
            "binary_name": "cockpit-networkmanager",
            "binary_version": "164-1"
          },
          {
            "binary_name": "cockpit-packagekit",
            "binary_version": "164-1"
          },
          {
            "binary_name": "cockpit-storaged",
            "binary_version": "164-1"
          },
          {
            "binary_name": "cockpit-system",
            "binary_version": "164-1"
          },
          {
            "binary_name": "cockpit-tests",
            "binary_version": "164-1"
          },
          {
            "binary_name": "cockpit-ws",
            "binary_version": "164-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "cockpit",
        "purl": "pkg:deb/ubuntu/cockpit@164-1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "151-1",
        "156-1",
        "157-1",
        "158-1",
        "160-1",
        "161-1",
        "162-1",
        "163-1",
        "164-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "cockpit",
            "binary_version": "215-1"
          },
          {
            "binary_name": "cockpit-bridge",
            "binary_version": "215-1"
          },
          {
            "binary_name": "cockpit-dashboard",
            "binary_version": "215-1"
          },
          {
            "binary_name": "cockpit-machines",
            "binary_version": "215-1"
          },
          {
            "binary_name": "cockpit-networkmanager",
            "binary_version": "215-1"
          },
          {
            "binary_name": "cockpit-packagekit",
            "binary_version": "215-1"
          },
          {
            "binary_name": "cockpit-pcp",
            "binary_version": "215-1"
          },
          {
            "binary_name": "cockpit-storaged",
            "binary_version": "215-1"
          },
          {
            "binary_name": "cockpit-system",
            "binary_version": "215-1"
          },
          {
            "binary_name": "cockpit-tests",
            "binary_version": "215-1"
          },
          {
            "binary_name": "cockpit-ws",
            "binary_version": "215-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "cockpit",
        "purl": "pkg:deb/ubuntu/cockpit@215-1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "202.1-1",
        "204-1",
        "206-1",
        "207-1",
        "208-1",
        "210-1",
        "211-1",
        "212-1",
        "213-1",
        "214.1-1",
        "215-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "cockpit",
            "binary_version": "264-1ubuntu0.22.04.1"
          },
          {
            "binary_name": "cockpit-bridge",
            "binary_version": "264-1ubuntu0.22.04.1"
          },
          {
            "binary_name": "cockpit-networkmanager",
            "binary_version": "264-1ubuntu0.22.04.1"
          },
          {
            "binary_name": "cockpit-packagekit",
            "binary_version": "264-1ubuntu0.22.04.1"
          },
          {
            "binary_name": "cockpit-pcp",
            "binary_version": "264-1ubuntu0.22.04.1"
          },
          {
            "binary_name": "cockpit-sosreport",
            "binary_version": "264-1ubuntu0.22.04.1"
          },
          {
            "binary_name": "cockpit-storaged",
            "binary_version": "264-1ubuntu0.22.04.1"
          },
          {
            "binary_name": "cockpit-system",
            "binary_version": "264-1ubuntu0.22.04.1"
          },
          {
            "binary_name": "cockpit-tests",
            "binary_version": "264-1ubuntu0.22.04.1"
          },
          {
            "binary_name": "cockpit-ws",
            "binary_version": "264-1ubuntu0.22.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "cockpit",
        "purl": "pkg:deb/ubuntu/cockpit@264-1ubuntu0.22.04.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "252-1",
        "256-1",
        "257-1",
        "258-1",
        "259-1",
        "260-1",
        "261-1",
        "262-1",
        "263-1",
        "264-1",
        "264-1ubuntu0.22.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "cockpit",
            "binary_version": "314-1"
          },
          {
            "binary_name": "cockpit-bridge",
            "binary_version": "314-1"
          },
          {
            "binary_name": "cockpit-networkmanager",
            "binary_version": "314-1"
          },
          {
            "binary_name": "cockpit-packagekit",
            "binary_version": "314-1"
          },
          {
            "binary_name": "cockpit-pcp",
            "binary_version": "314-1"
          },
          {
            "binary_name": "cockpit-sosreport",
            "binary_version": "314-1"
          },
          {
            "binary_name": "cockpit-storaged",
            "binary_version": "314-1"
          },
          {
            "binary_name": "cockpit-system",
            "binary_version": "314-1"
          },
          {
            "binary_name": "cockpit-tests",
            "binary_version": "314-1"
          },
          {
            "binary_name": "cockpit-ws",
            "binary_version": "314-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "cockpit",
        "purl": "pkg:deb/ubuntu/cockpit@314-1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "300.1-1",
        "303-1",
        "304-1",
        "305-1",
        "306-1",
        "307-1",
        "308-1",
        "309-1",
        "310.1-1",
        "311-1",
        "312-1build2",
        "314-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "cockpit",
            "binary_version": "360-1"
          },
          {
            "binary_name": "cockpit-bridge",
            "binary_version": "360-1"
          },
          {
            "binary_name": "cockpit-networkmanager",
            "binary_version": "360-1"
          },
          {
            "binary_name": "cockpit-packagekit",
            "binary_version": "360-1"
          },
          {
            "binary_name": "cockpit-sosreport",
            "binary_version": "360-1"
          },
          {
            "binary_name": "cockpit-storaged",
            "binary_version": "360-1"
          },
          {
            "binary_name": "cockpit-system",
            "binary_version": "360-1"
          },
          {
            "binary_name": "cockpit-ws",
            "binary_version": "360-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "cockpit",
        "purl": "pkg:deb/ubuntu/cockpit@360-1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "346-1",
        "348-1",
        "350-1",
        "352-1",
        "353.1-1",
        "354-1",
        "355-1",
        "356-1",
        "360-1"
      ]
    }
  ],
  "aliases": [],
  "details": "Cross Site Scripting vulnerability in Cockpit CMS v.2.13.5 and before allows a remote attacker to execute arbitrary code via the item.php, field-select.js and tags.js components",
  "id": "UBUNTU-CVE-2026-39275",
  "modified": "2026-09-16T11:33:19Z",
  "published": "2026-08-26T21:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-39275"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-39275"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-39275"
  ]
}

CVE-2026-39275 (GCVE-0-2026-39275)

Vulnerability from cvelistv5 – Published: 2026-08-26 00:00 – Updated: 2026-08-31 20:09

Summary

Cross Site Scripting vulnerability in Cockpit CMS v.2.13.5 and before allows a remote attacker to execute arbitrary code via the item.php, field-select.js and tags.js components

Severity

6.1 (Medium)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-27 17:46 UTC

CWE

n/a
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

mitre mitre root

References

2 references

URL	Tags
https://github.com/Cockpit-HQ/Cockpit/commit/d70d…
https://github.com/Securify-AI/CVE-2026-39275

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 6.1,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "CHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-39275",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-27T17:46:41.062517Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-79",
                "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-27T17:47:57.652Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/Securify-AI/CVE-2026-39275"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Cross Site Scripting vulnerability in Cockpit CMS v.2.13.5 and before allows a remote attacker to execute arbitrary code via the item.php, field-select.js and tags.js components"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-31T20:09:04.414Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/Cockpit-HQ/Cockpit/commit/d70dc5059732fc97bd65aa3583cd0f88631a3c78"
        },
        {
          "url": "https://github.com/Securify-AI/CVE-2026-39275"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-39275",
    "datePublished": "2026-08-26T00:00:00.000Z",
    "dateReserved": "2026-04-06T00:00:00.000Z",
    "dateUpdated": "2026-08-31T20:09:04.414Z",
    "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.

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

UBUNTU-CVE-2026-39275 (CVE-2026-39275)

CVE-2026-39275 (GCVE-0-2026-39275)

Tags

Sightings

Nomenclature

Related by attack behaviour