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
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Tue, 03 Nov 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 03 Nov 2026 17:00:00 +0000

Type Values Removed Values Added
First Time appeared Typo3
Typo3 extension Mail
Vendors & Products Typo3
Typo3 extension Mail

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

Typo3 Extension Mail
cve-icon MITRE

Status: PUBLISHED

Assigner: TYPO3

Published:

Updated: 2026-11-03T18:32:05.864Z

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

Link: CVE-2026-120331

cve-icon Vulnrichment

Updated: 2026-11-03T17:23:34.531Z

cve-icon NVD

Status : Deferred

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

Modified: 2026-11-03T19:17:58.140

Link: CVE-2026-120331

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-03T16:23:48Z

Weaknesses