Vulnerability-Lookup

GHSA-H877-95Q5-3R86

Vulnerability from github – Published: 2026-10-09 15:31 – Updated: 2026-10-09 15:31

Details

The Affinity by Canva application before 3.3.1 (October 2026 release) did not correctly handle incomplete UTF-8 character sequences when parsing text in Affinity document files, leading to a heap buffer over-read. A threat actor could craft an Affinity document that, when opened by a user in Affinity, could disclose the contents of adjacent heap memory in the document's text or result in an application crash.

Severity

3.6 (Low)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-101094"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-126"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-09T13:17:05Z",
    "severity": "LOW"
  },
  "details": "The Affinity by Canva application before 3.3.1 (October 2026 release) did not correctly handle incomplete UTF-8 character sequences when parsing text in Affinity document files, leading to a heap buffer over-read. A threat actor could craft an Affinity document that, when opened by a user in Affinity, could disclose the contents of adjacent heap memory in the document\u0027s text or result in an application crash.",
  "id": "GHSA-h877-95q5-3r86",
  "modified": "2026-10-09T15:31:29Z",
  "published": "2026-10-09T15:31:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-101094"
    },
    {
      "type": "WEB",
      "url": "https://trust.canva.com?tcuUid=1998378a-9134-47e9-b761-7a49d5fd6bfb"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-101094 (GCVE-0-2026-101094)

Vulnerability from cvelistv5 – Published: 2026-10-09 12:44 – Updated: 2026-10-09 16:47

Summary

Severity

3.6 (Low)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-09 16:15 UTC

CWE

CWE-126 - Buffer Over-read

Assigner

Canva CNA under the mitre root

CNA scorecard C 67/100 over 12 records in the last 180 days details

References

1 reference

URL	Tags
https://trust.canva.com?tcuUid=1998378a-9134-47e9…

Impacted products

1 product

Vendor	Product	Version
canva	affinity	Affected: 0 , < 3.3.1 (semver) cpe:2.3:a:canva:affinity::::::::

Credits

Xusheng Li

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-101094",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-09T16:15:32.396325Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-09T16:47:00.763Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "affinity",
          "vendor": "canva",
          "versions": [
            {
              "lessThan": "3.3.1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:canva:affinity:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "3.3.1",
                  "versionStartIncluding": "0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "OR"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Xusheng Li"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "The Affinity by Canva application before 3.3.1 (October 2026 release) did not correctly handle incomplete UTF-8 character sequences when parsing text in Affinity document files, leading to a heap buffer over-read. A threat actor could craft an Affinity document that, when opened by a user in Affinity, could disclose the contents of adjacent heap memory in the document\u0027s text or result in an application crash."
            }
          ],
          "value": "The Affinity by Canva application before 3.3.1 (October 2026 release) did not correctly handle incomplete UTF-8 character sequences when parsing text in Affinity document files, leading to a heap buffer over-read. A threat actor could craft an Affinity document that, when opened by a user in Affinity, could disclose the contents of adjacent heap memory in the document\u0027s text or result in an application crash."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 3.6,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-126",
              "description": "CWE-126 Buffer Over-read",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-09T12:44:18.174Z",
        "orgId": "61adb53e-e4b3-47f7-8a93-4717c9e77dc6",
        "shortName": "Canva"
      },
      "references": [
        {
          "url": "https://trust.canva.com?tcuUid=1998378a-9134-47e9-b761-7a49d5fd6bfb"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "x_generator": {
        "engine": "Vulnogram 1.0.5"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "61adb53e-e4b3-47f7-8a93-4717c9e77dc6",
    "assignerShortName": "Canva",
    "cveId": "CVE-2026-101094",
    "datePublished": "2026-10-09T12:44:18.174Z",
    "dateReserved": "2026-09-28T01:31:06.889Z",
    "dateUpdated": "2026-10-09T16:47:00.763Z",
    "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

GHSA-H877-95Q5-3R86

CVE-2026-101094 (GCVE-0-2026-101094)

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Sightings

Nomenclature

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