Vulnerability-Lookup

GHSA-Q9WC-HHM5-FJQ7

Vulnerability from github – Published: 2026-05-29 00:38 – Updated: 2026-05-29 00:38

Details

Improper handling of symbolic links in the installer of My Image Garden for macOS Version 3.6.8 or earlier may allow a local attacker with login privileges to exploit a specially crafted symbolic link during installation to modify permissions of files for which they would not normally have authorization.

Severity

5.0 (Medium)


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

5.1 (Medium)


                  
                    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-6891"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-59"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-29T00:16:15Z",
    "severity": "MODERATE"
  },
  "details": "Improper handling of symbolic links in the installer of My Image Garden for macOS Version 3.6.8 or earlier may allow a local attacker with login privileges to exploit a specially crafted symbolic link during installation to modify permissions of files for which they would not normally have authorization.",
  "id": "GHSA-q9wc-hhm5-fjq7",
  "modified": "2026-05-29T00:38:39Z",
  "published": "2026-05-29T00:38:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6891"
    },
    {
      "type": "WEB",
      "url": "https://canon.jp/support/support-info/260528-2vulnerability-response"
    },
    {
      "type": "WEB",
      "url": "https://psirt.canon/advisory-information/cp2026-004"
    },
    {
      "type": "WEB",
      "url": "https://www.canon-europe.com/support/product-security"
    },
    {
      "type": "WEB",
      "url": "https://www.usa.canon.com/support/canon-product-advisories/CPA2026-004-Vulnerability-Remediation-for-My-Image-Garden-for-macOS-and-CUPS-Printer-Driver-for-macOS"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-6891 (GCVE-0-2026-6891)

Vulnerability from cvelistv5 – Published: 2026-05-28 23:59 – Updated: 2026-05-29 18:29

Summary

Severity

5 (Medium)


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

5.1 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-59 - Improper link resolution before file access ('link following')

Assigner

Canon

References

4 references

URL	Tags
https://psirt.canon/advisory-information/cp2026-004/	vendor-advisory
https://canon.jp/support/support-info/260528-2vul…	vendor-advisory
https://www.usa.canon.com/support/canon-product-a…	vendor-advisory
https://www.canon-europe.com/support/product-security/	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
Canon Inc.	My Image Garden for macOS	Affected: 3.6.8 or earlier

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
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        "metrics": [
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            "other": {
              "content": {
                "id": "CVE-2026-6891",
                "options": [
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                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-29T18:28:31.097670Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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        "providerMetadata": {
          "dateUpdated": "2026-05-29T18:29:40.848Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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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.

Action not permitted

GHSA-Q9WC-HHM5-FJQ7

CVE-2026-6891 (GCVE-0-2026-6891)

Tags

Sightings

Nomenclature