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VULNERABILITIES

CVE-2026-9304 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://gist.github.com/YLChen-007/b3d0b85767b7e346a291933d602fbb3b [email protected]ExploitTechnical Analysis
https://vuldb.com/submit/812176 [email protected]Permission Required
https://vuldb.com/vuln/365251 [email protected]AdvisoryPermission Required
https://vuldb.com/vuln/365251/cti [email protected]Permission Required

Weakness Enumeration

CWE-IDCWE NameSource
CWE-918Server-Side Request Forgery (SSRF)[email protected]

Affected Products

ProductVersions
cal.com
<= 4.9.4 (semver)

CPE

  • No CPEs found in CPE dictionary for this product.

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-9304
NVD Published Date:
May 23, 2026
NVD Last Modified:
Jul 23, 2026
Source:
[email protected]
CVE-2026-9304 Details - Not Deferred