Description
Content of external URL mails, their stylesheets and images to embed is fetched by the server without validating the target host. Backend users with access to the mail module can make the server send requests to hosts in the internal network.
Published: 2026-11-03
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 03 Nov 2026 10:00:00 +0000

Type Values Removed Values Added
Description Content of external URL mails, their stylesheets and images to embed is fetched by the server without validating the target host. Backend users with access to the mail module can make the server send requests to hosts in the internal network.
Title Server-Side Request Forgery in extension "Mail" (mail)
Weaknesses CWE-918
References
Metrics cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: TYPO3

Published:

Updated: 2026-11-03T09:56:05.114Z

Reserved: 2026-11-01T13:30:23.579Z

Link: CVE-2026-120331

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-03T10:17:17.970

Modified: 2026-11-03T10:17:17.970

Link: CVE-2026-120331

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-03T11:30:09Z

Weaknesses