CVE-2026-9304

MediumCVSS 5.0/10Last modified Jul 23, 2026

Description

A security flaw has been discovered in calcom cal.diy up to 4.9.4. The affected element is the function validateUrlForSSRF of the file apps/web/app/api/logo/route.ts of the component Logo API. The manipulation results in server-side request forgery. It is possible to launch the attack remotely. Attacks of this nature are highly complex. The exploitability is described as difficult. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS 3.1 5.0/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

Weakness enumeration

CWE-918

Affected software

No affected versions have been published.

Timeline

Published
May 23, 2026
Last modified
Jul 23, 2026
NVD status
Deferred

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CVE-2026-9304: Medium severity, CVSS 5.0 | Vulnix