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CVE-2026-54260 (GCVE-0-2026-54260)

Vulnerability from cvelistv5 – Published: 2026-07-01 21:08 – Updated: 2026-07-02 15:54

Title

Wagtail: Denial of service via unbounded filter specs in the image preview

Summary

Wagtail is an open source content management system built on Django. In versions prior to 7.0.8, 7.3.3 and 7.4.2, an authenticated admin user can trigger expensive rendition processing with purposefully crafted filter specs resulting in potentially service degradation. The vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin. This issue has been fixed in versions 7.0.8, 7.3.3, and 7.4.2.

Severity ?

4.3 (Medium)


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

CWE

CWE-400 - Uncontrolled Resource Consumption

Assigner

GitHub_M

References

URL

Tags

https://github.com/wagtail/wagtail/security/advis…

x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	wagtail	wagtail	Affected: < 7.0.8 Affected: >= 7.1.0, < 7.3.3 Affected: >= 7.4.0, < 7.4.2

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JSON

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              "content": {
                "id": "CVE-2026-54260",
                "options": [
                  {
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                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-02T15:10:21.330133Z",
                "version": "2.0.3"
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              "type": "ssvc"
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          "dateUpdated": "2026-07-02T15:54:38.571Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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          "value": "Wagtail is an open source content management system built on Django. In versions prior to 7.0.8, 7.3.3 and 7.4.2, an authenticated admin user can trigger expensive rendition processing with purposefully crafted filter specs resulting in potentially service degradation. The vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin. This issue has been fixed in versions 7.0.8, 7.3.3, and 7.4.2."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
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      "providerMetadata": {
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      "references": [
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      "title": "Wagtail: Denial of service via unbounded filter specs in the image preview"
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    "dateReserved": "2026-06-12T17:13:32.278Z",
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    "state": "PUBLISHED"
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}

PYSEC-2026-613

Vulnerability from pysec - Published: 2026-07-01 22:16 - Updated: 2026-07-03 12:58

Details