Vulnerability-Lookup

FKIE_CVE-2026-90894

Vulnerability from fkie_nvd - Published: 2026-09-14 10:17 - Updated: 2026-09-15 09:16

Severity

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

Parallels Desktop runs prl_disp_service as root. Local clients reach it on the world-writable socket /var/run/prl_disp_service.socket. PrlSrv_LoginLocal accepts peer credentials. No Parallels signature. No admin group. After login, PrlSrv_InstallAppliance lets you pick the appliance folder (sVmParentPath). The daemon unpacks with one string, tar -xf "%1" -C "%2", then Qt QProcess::splitCommand chops that string into words. A quote in the folder name closes early. The leftover text becomes extra tar flags. macOS tar --use-compress-program= runs the named program as root.

References

	URL	Tags
	reefs@jfrog.com	https://kb.parallels.com/en/131168
	reefs@jfrog.com	https://www.parallels.com/products/desktop/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unknown",
          "packageName": "Parallels Desktop",
          "platforms": [
            "macOS"
          ],
          "product": "Parallels Desktop for Mac",
          "vendor": "Parallels",
          "versions": [
            {
              "status": "affected",
              "version": "26.4.0"
            },
            {
              "status": "unaffected",
              "version": "27.0.0"
            }
          ]
        }
      ],
      "source": "reefs@jfrog.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Parallels Desktop runs\u00a0prl_disp_service\u00a0as root. Local clients reach it on the world-writable socket\u00a0/var/run/prl_disp_service.socket.\u00a0PrlSrv_LoginLocal\u00a0accepts peer credentials. No Parallels signature. No admin group.\n\n\n\nAfter login,\u00a0PrlSrv_InstallAppliance\u00a0lets you pick the appliance folder (sVmParentPath). The daemon unpacks with one string,\u00a0tar -xf \"%1\" -C \"%2\", then Qt\u00a0QProcess::splitCommand\u00a0chops that string into words. A quote in the folder name closes early. The leftover text becomes extra tar flags. macOS\u00a0tar --use-compress-program=\u00a0runs the named program as root."
    }
  ],
  "id": "CVE-2026-90894",
  "lastModified": "2026-09-15T09:16:44.620",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "reefs@jfrog.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-90894",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-14T10:23:23.018106Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-14T10:17:06.133",
  "references": [
    {
      "source": "reefs@jfrog.com",
      "url": "https://kb.parallels.com/en/131168"
    },
    {
      "source": "reefs@jfrog.com",
      "url": "https://www.parallels.com/products/desktop/"
    }
  ],
  "sourceIdentifier": "reefs@jfrog.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        },
        {
          "lang": "en",
          "value": "CWE-88"
        },
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ],
      "source": "reefs@jfrog.com",
      "type": "Secondary"
    }
  ]
}

CVE-2026-90894 (GCVE-0-2026-90894)

Vulnerability from cvelistv5 – Published: 2026-09-14 09:52 – Updated: 2026-09-15 08:49

Title

Parallels Desktop local privilege escalation via appliance extract argument injection

Summary

Severity

7.8 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-14 10:23 UTC

CWE

CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-269 - Improper Privilege Management

Assigner

JFROG mitre root

References

2 references

URL	Tags
https://www.parallels.com/products/desktop/	product
https://kb.parallels.com/en/131168	release-notes

Impacted products

1 product

Vendor	Product	Version
Parallels	Parallels Desktop for Mac	Affected: 26.4.0 Unaffected: 27.0.0

Credits

Yuval Moravchick | JFrog

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-90894",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-14T10:23:23.018106Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-14T10:23:46.541Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "packageName": "Parallels Desktop",
          "platforms": [
            "macOS"
          ],
          "product": "Parallels Desktop for Mac",
          "vendor": "Parallels",
          "versions": [
            {
              "status": "affected",
              "version": "26.4.0"
            },
            {
              "status": "unaffected",
              "version": "27.0.0"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Yuval Moravchick | JFrog"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eParallels Desktop runs\u0026nbsp;\u003ccode\u003eprl_disp_service\u003c/code\u003e\u0026nbsp;as root. Local clients reach it on the world-writable socket\u0026nbsp;\u003ccode\u003e/var/run/prl_disp_service.socket\u003c/code\u003e.\u0026nbsp;\u003ccode\u003ePrlSrv_LoginLocal\u003c/code\u003e\u0026nbsp;accepts peer credentials. No Parallels signature. No admin group.\u003c/p\u003e\u003cp\u003eAfter login,\u0026nbsp;\u003ccode\u003ePrlSrv_InstallAppliance\u003c/code\u003e\u0026nbsp;lets you pick the appliance folder (\u003ccode\u003esVmParentPath\u003c/code\u003e). The daemon unpacks with one string,\u0026nbsp;\u003ccode\u003etar -xf \"%1\" -C \"%2\"\u003c/code\u003e, then Qt\u0026nbsp;\u003ccode\u003eQProcess::splitCommand\u003c/code\u003e\u0026nbsp;chops that string into words. A quote in the folder name closes early. The leftover text becomes extra tar flags. macOS\u0026nbsp;\u003ccode\u003etar --use-compress-program=\u003c/code\u003e\u0026nbsp;runs the named program as root.\u003c/p\u003e"
            }
          ],
          "value": "Parallels Desktop runs\u00a0prl_disp_service\u00a0as root. Local clients reach it on the world-writable socket\u00a0/var/run/prl_disp_service.socket.\u00a0PrlSrv_LoginLocal\u00a0accepts peer credentials. No Parallels signature. No admin group.\n\n\n\nAfter login,\u00a0PrlSrv_InstallAppliance\u00a0lets you pick the appliance folder (sVmParentPath). The daemon unpacks with one string,\u00a0tar -xf \"%1\" -C \"%2\", then Qt\u00a0QProcess::splitCommand\u00a0chops that string into words. A quote in the folder name closes early. The leftover text becomes extra tar flags. macOS\u00a0tar --use-compress-program=\u00a0runs the named program as root."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eJFrog has a private proof of concept that obtains root on Parallels Desktop 26.4.0. The same proof of concept does not obtain root on 27.0.1. Public exploit details are not included in this record.\u003c/p\u003e"
            }
          ],
          "value": "JFrog has a private proof of concept that obtains root on Parallels Desktop 26.4.0. The same proof of concept does not obtain root on 27.0.1. Public exploit details are not included in this record."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-88",
              "description": "CWE-88 Improper Neutralization of Argument Delimiters in a Command (\u0027Argument Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-78",
              "description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-269",
              "description": "CWE-269 Improper Privilege Management",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-15T08:49:26.122Z",
        "orgId": "48a46f29-ae42-4e1d-90dd-c1676c1e5e6d",
        "shortName": "JFROG"
      },
      "references": [
        {
          "name": "Parallels Desktop for Mac",
          "tags": [
            "product"
          ],
          "url": "https://www.parallels.com/products/desktop/"
        },
        {
          "name": "Parallels Desktop 27 updates summary",
          "tags": [
            "release-notes"
          ],
          "url": "https://kb.parallels.com/en/131168"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eUpgrade to Parallels Desktop 27.0.0 or later.\u003c/p\u003e"
            }
          ],
          "value": "Upgrade to Parallels Desktop 27.0.0 or later."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Parallels Desktop local privilege escalation via appliance extract argument injection",
      "x_generator": {
        "engine": "Vulnogram 1.0.4"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "48a46f29-ae42-4e1d-90dd-c1676c1e5e6d",
    "assignerShortName": "JFROG",
    "cveId": "CVE-2026-90894",
    "datePublished": "2026-09-14T09:52:43.570Z",
    "dateReserved": "2026-09-14T09:33:11.942Z",
    "dateUpdated": "2026-09-15T08:49:26.122Z",
    "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.