CVE-2026-9304 – calcom cal.diy Logo API route.ts validateUrlForSSRF server-side request forgery

CVE ID :CVE-2026-9304

Published : May 23, 2026, 1:45 p.m. | 1 hour, 12 minutes ago

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.

Severity: 0.0 | NA

Visit the link for more details, such as CVSS details, affected products, timeline, and more…