CVE-2023-5965

PoC para Espo CRM 7.2.4 CVE-2023-5965 y CVE-2023-5965 CVE-2023-5965 Aviso Un atacante autenticado con privilegios podría subir un zip especialmente manipulado al servidor EspoCRM en la versión 7.2.5, a través del formulario de actualización, lo que podría llevar a la ejecución arbitraria de códig...

EspoCRM <= 9.3.3 - Server-Side Request Forgery

EspoCRM = 9.3.3 contains an authenticated server-side request forgery caused by improper internal-host validation using alternative IPv4 formats in HostCheck::isNotInternalHost, letting authenticated users access internal resources via /api/v1/Attachment/fromImageUrl endpoint. id: CVE-2026-33534...

CVE-2026-88896

EspoCRM before 10.0.4 is vulnerable to server-side request forgery. HostCheck::ipAddressIsNotInternal, which validates outbound URLs to block requests to internal/private IP addresses, strips ::ffff: IPv4-mapped IPv6 prefixes but does not recognize IPv6 transition addresses that embed private IPv...

EUVD-2026-75446

EspoCRM before 10.0.4 is vulnerable to server-side request forgery. HostCheck::ipAddressIsNotInternal, which validates outbound URLs to block requests to internal/private IP addresses, strips ::ffff: IPv4-mapped IPv6 prefixes but does not recognize IPv6 transition addresses that embed private IPv...

CVE-2026-88896

EspoCRM before 10.0.4 is vulnerable to Server-Side Request Forgery (SSRF) via an IPv6 transition address bypass in HostCheck::ipAddressIsNotInternal(). The function strips ::ffff: (IPv4-mapped IPv6) prefixes but fails to recognize IPv6 transition addresses that embed private IPv4 addresses—NAT64 ...

CVE-2026-88896 EspoCRM before 10.0.4 SSRF via IPv6 Transition Address Bypass

EspoCRM before 10.0.4 is vulnerable to server-side request forgery. HostCheck::ipAddressIsNotInternal, which validates outbound URLs to block requests to internal/private IP addresses, strips ::ffff: IPv4-mapped IPv6 prefixes but does not recognize IPv6 transition addresses that embed private IPv...

cve-2023-5966

Poc from CVE-2023-5966 Advisory EspoCRM 2.7.4 and earlier is vulnerable to an arbitrary file upload that can lead to code execution in the add extension functionality. The zip file on this repo upload a web shell to /webshell.php...

ESPOCRM-RCE-POC-CVE-2026-33656

EspoCRM = 9.3.3 CVE-2026-33656 — Authenticated RCE via Formula ACL Bypass + Attachment sourceId Path Traversal + .htaccess Poisoning Author : Jiva jivasecurity.com Writeup : https://jivasecurity.com/writeups/espocrm-rce-cve-2026-33656 Product : EspoCRM = 9.3.3 Auth : Admin credentials required...

CVE-2026-33534

CVE-2026-33534 - EspoCRM 9.3.3 Authenticated SSRF Authenticated SSRF proof-of-concept for EspoCRM 9.3.3 via alternative IPv4 loopback notation in the /api/v1/Attachment/fromImageUrl endpoint. Summary EspoCRM 9.3.3 blocks direct loopback URLs such as http://127.0.0.1/..., but the server-side fetch...

PT-2026-89407

EspoCRM before 10.0.4 is vulnerable to server-side request forgery. HostCheck::ipAddressIsNotInternal, which validates outbound URLs to block requests to internal/private IP addresses, strips ::ffff: IPv4-mapped IPv6 prefixes but does not recognize IPv6 transition addresses that embed private IPv...

CVE-2026-33657

CVE-2026-33657 - EspoCRM 9.3.3 Stored HTML Injection in Email Notifications Authenticated proof-of-concept for stored HTML injection in EspoCRM 9.3.3 email notifications. Summary EspoCRM 9.3.3 renders stream-note notification emails by transforming the note body with Markdown and inserting the...

CVE-2026-33659

EspoCRM is an open source customer relationship management application. In versions 9.3.3 and below, the POST /api/v1/Attachment/fromImageUrl endpoint is vulnerable to Server-Side Request Forgery SSRF via a DNS rebinding TOCTOU condition. Host validation uses dnsgetrecord but the actual HTTP...

CVE-2026-41141

EspoCRM is an open source customer relationship management application. Prior to 9.3.5, the POST /api/v1/EmailTemplate/:id/prepare endpoint accepts an emailAddress parameter and resolves the owning entity Contact, Lead, Account, or User without performing an ACL check. An authenticated user with...

CVE-2026-33657

EspoCRM is an open source customer relationship management application. Versions 9.3.3 and below have a stored HTML injection vulnerability that allows any authenticated user with standard non-administrative privileges to inject arbitrary HTML into system-generated email notifications by crafting...

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 attachment directly from...

CVE-2026-33656

EspoCRM is an open source customer relationship management application. Prior to version 9.3.4, EspoCRM's built-in formula scripting engine allowing updating attachment's sourceId thus allowing an authenticated admin to overwrite the sourceId field on Attachment entities. Because sourceId is...

CVE-2026-33733

EspoCRM is an open source customer relationship management application. Prior to version 9.3.4, the admin template management endpoints accept attacker-controlled name and scope values and pass them into template path construction without normalization or traversal filtering. As a result, an...

📄 EspoCRM 9.3.3 Server-Side Request Forgery

EspoCRM version 9.3.3 suffers from an authenticated server-side request forgery vulnerability. Exploit Title: EspoCRM 9.3.3 - Authenticated SSRF via Alternative IPv4 Notation Google Dork: N/A Date: 2026-05-08 Exploit Author: Max Gabriel https://github.com/EntroVyx Vendor Homepage:...

CVE-2026-41160

EspoCRM is an open source customer relationship management application. Prior to 9.3.5, a business logic flaw Broken Access Control in EspoCRM 9.3.3 allows low-privileged users to pin arbitrary notes without having the required edit permissions for the parent object. Due to a "write first,...

EUVD-2026-32947

EspoCRM is an open source customer relationship management application. Prior to 9.3.5, the POST /api/v1/EmailTemplate/:id/prepare endpoint accepts an emailAddress parameter and resolves the owning entity Contact, Lead, Account, or User without performing an ACL check. An authenticated user with...