CVE-2026-33740 — EspoCRM is an open source customer relationship management
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CVE-2026-33740 — EspoCRM is an open source customer relationship management application. In versions 9.3.3 and below, the POST /api/v1/Email/importEml endpoint contains an Insecure Direct Object Reference (IDOR) vulnerability where the attacker-supplied fileId parameter is used to fetch any attachme
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-33740 | vulnerability | CVE-2026-33740 |
| CWE-639 | weakness | CWE-639 |
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 14, 2026 at 00:16 UTC |
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