CVE-2026-90944

Summary

Krayin CRM through 2.2.6 exposes the POST /admin/mail/inbound-parse endpoint without authentication, allowing unauthenticated attackers to inject arbitrary emails into the CRM inbox. Attackers can supply crafted RFC 2822 messages with forged sender information and headers to insert emails with any subject and body, including replies to existing conversation threads.

Affected Software

Weaknesses

• CWE-306: Missing Authentication for Critical Function

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

Additional References

• https://github.com/krayin/laravel-crm/issues/2560

References

• https://github.com/krayin/laravel-crm/issues/2560
• https://github.com/krayin/laravel-crm
• https://github.com/krayin/laravel-crm/blob/v2.2.6/packages/Webkul/Admin/src/Routes/Admin/mail-routes.php
• https://github.com/krayin/laravel-crm/blob/v2.2.6/bootstrap/app.php
• https://www.vulncheck.com/advisories/krayin-crm-through-2.2.6-unauthenticated-email-injection-via-inbound-parse

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