Vulnerability-Lookup

CVE-2026-92839 (GCVE-0-2026-92839)

Vulnerability from cvelistv5 – Published: 2026-09-17 03:53 – Updated: 2026-09-17 12:59

Summary

Canva Desktop before v1.125.0 performed double decoding in the deeplink handler. A threat actor could cause the application to load arbitrary same-origin content under the user’s session.

Severity

4.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-17 12:57 UTC

CWE

CWE-174 - Double decoding of the same data

Assigner

Canva mitre root

References

1 reference

URL	Tags
https://trust.canva.com/?tcuUid=d98fa5aa-50ac-4e4…

Impacted products

1 product

Vendor	Product	Version	CPE status
Canva	Canva	Affected: 0 , < 1.125.0 (semver) cpe:2.3:a:canva:canva:::windows:::::* cpe:2.3:a:canva:canva:::macos:::::*

Credits

spoderx555 (Bugcrowd)

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-92839

Vulnerability from fkie_nvd - Published: 2026-09-17 04:18 - Updated: 2026-09-17 13:17

Severity

4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Summary

Canva Desktop before v1.125.0 performed double decoding in the deeplink handler. A threat actor could cause the application to load arbitrary same-origin content under the user’s session.

References

	URL	Tags
	61adb53e-e4b3-47f7-8a93-4717c9e77dc6	https://trust.canva.com/?tcuUid=d98fa5aa-50ac-4e45-8fec-2c8d07f2b9b6

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "Windows",
            "MacOS"
          ],
          "product": "Canva",
          "vendor": "Canva",
          "versions": [
            {
              "lessThan": "1.125.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "61adb53e-e4b3-47f7-8a93-4717c9e77dc6"
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      "value": "Canva Desktop before v1.125.0 performed double decoding in the deeplink handler. A threat actor could cause the application to load arbitrary same-origin content under the user\u2019s session."
    }
  ],
  "id": "CVE-2026-92839",
  "lastModified": "2026-09-17T13:17:00.540",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
          "version": "3.1"
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        "impactScore": 1.4,
        "source": "61adb53e-e4b3-47f7-8a93-4717c9e77dc6",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
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          "options": [
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  "published": "2026-09-17T04:18:10.870",
  "references": [
    {
      "source": "61adb53e-e4b3-47f7-8a93-4717c9e77dc6",
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      "type": "Secondary"
    }
  ]
}

GHSA-H8GP-Q3M8-2GVR

Vulnerability from github – Published: 2026-09-17 06:30 – Updated: 2026-09-17 06:30

Details

Canva Desktop before v1.125.0 performed double decoding in the deeplink handler. A threat actor could cause the application to load arbitrary same-origin content under the user’s session.

Severity

4.3 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-92839"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-174"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-17T04:18:10Z",
    "severity": "MODERATE"
  },
  "details": "Canva Desktop before v1.125.0 performed double decoding in the deeplink handler. A threat actor could cause the application to load arbitrary same-origin content under the user\u2019s session.",
  "id": "GHSA-h8gp-q3m8-2gvr",
  "modified": "2026-09-17T06:30:32Z",
  "published": "2026-09-17T06:30:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-92839"
    },
    {
      "type": "WEB",
      "url": "https://trust.canva.com/?tcuUid=d98fa5aa-50ac-4e45-8fec-2c8d07f2b9b6"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

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.

Action not permitted

CVE-2026-92839 (GCVE-0-2026-92839)

FKIE_CVE-2026-92839

GHSA-H8GP-Q3M8-2GVR

Tags

Sightings

Nomenclature

Related by attack behaviour