CVE-2023-5965

PoC for Espo CRM 7.2.4 CVE-2023-5965 & CVE-2023-5965 CVE-2023-5965 Advisory An authenticated privileged attacker could upload a specially crafted zip to the EspoCRM server in version 7.2.5, via the update form, which could lead to arbitrary PHP code execution. To upload the file go to...

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-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...

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-2026-92298

EspoCRM through 10.0.8 uses PHP's rand function to generate tokens for lead-capture opt-in, event invitation, and campaign URLs instead of a cryptographically secure generator. Remote unauthenticated attackers can guess these roughly 31-bit tokens to confirm opt-ins, accept or decline event...

CVE-2026-92298 EspoCRM through 10.0.8 Weak Token Generation via rand()

EspoCRM through 10.0.8 uses PHP's rand function to generate tokens for lead-capture opt-in, event invitation, and campaign URLs instead of a cryptographically secure generator. Remote unauthenticated attackers can guess these roughly 31-bit tokens to confirm opt-ins, accept or decline event...

CVE-2026-92298

EspoCRM through 10.0.8 uses PHP's rand() function to generate tokens for lead-capture opt-in, event invitation, and campaign URLs instead of a cryptographically secure generator. The tokens are roughly 31-bit , allowing remote unauthenticated attackers to guess them and confirm opt-ins, accept or...

CVE-2026-92298 EspoCRM through 10.0.8 Weak Token Generation via rand()

EspoCRM through 10.0.8 uses PHP's rand function to generate tokens for lead-capture opt-in, event invitation, and campaign URLs instead of a cryptographically secure generator. Remote unauthenticated attackers can guess these roughly 31-bit tokens to confirm opt-ins, accept or decline event...

EUVD-2026-80078

EspoCRM through 10.0.8 uses PHP's rand function to generate tokens for lead-capture opt-in, event invitation, and campaign URLs instead of a cryptographically secure generator. Remote unauthenticated attackers can guess these roughly 31-bit tokens to confirm opt-ins, accept or decline event...

CVE-2026-90934

EspoCRM before 10.0.4 contains a field-level security bypass vulnerability in the meeting and call attendees endpoints that allows authenticated users to read restricted email addresses. Attackers can recover hidden attendee emails by exploiting incorrect ACL scope validation that checks parent...

EUVD-2026-77452

EspoCRM before 10.0.4 contains a field-level security bypass vulnerability in the meeting and call attendees endpoints that allows authenticated users to read restricted email addresses. Attackers can recover hidden attendee emails by exploiting incorrect ACL scope validation that checks parent...

CVE-2026-90934 EspoCRM before 10.0.4 Field-level Security Bypass via Attendees

EspoCRM before 10.0.4 contains a field-level security bypass vulnerability in the meeting and call attendees endpoints that allows authenticated users to read restricted email addresses. Attackers can recover hidden attendee emails by exploiting incorrect ACL scope validation that checks parent...

CVE-2026-90934

EspoCRM before 10.0.4 is affected by a field-level security bypass in the meeting and call attendees endpoints. The root cause is incorrect ACL scope validation that checks parent event permissions instead of attendee entity permissions, allowing authenticated users to recover restricted email ad...

CVE-2026-90934 EspoCRM before 10.0.4 Field-level Security Bypass via Attendees

EspoCRM before 10.0.4 contains a field-level security bypass vulnerability in the meeting and call attendees endpoints that allows authenticated users to read restricted email addresses. Attackers can recover hidden attendee emails by exploiting incorrect ACL scope validation that checks parent...

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...