CVE-2026-9304
2.3
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| calcom | cal.diy | 4.9.0 | affected |
| calcom | cal.diy | 4.9.1 | affected |
| calcom | cal.diy | 4.9.2 | affected |
| calcom | cal.diy | 4.9.3 | affected |
| calcom | cal.diy | 4.9.4 | affected |
Weaknesses
- CWE-918: Server-Side Request Forgery
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: no
- Technical Impact: partial
References
- https://vuldb.com/vuln/365251
- https://vuldb.com/vuln/365251/cti
- https://vuldb.com/submit/812176
- https://gist.github.com/YLChen-007/b3d0b85767b7e346a291933d602fbb3b
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