CVE-2026-9303

Summary

A vulnerability was identified in calcom cal.diy up to 4.9.4. Impacted is an unknown function. The manipulation leads to cross-site request forgery. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected Software

VendorProductVersion RangeStatus
calcomcal.diy4.9.0affected
calcomcal.diy4.9.1affected
calcomcal.diy4.9.2affected
calcomcal.diy4.9.3affected
calcomcal.diy4.9.4affected

Weaknesses

  • CWE-352: Cross-Site Request Forgery
  • CWE-862: Missing Authorization

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: no
    • Technical Impact: partial

References