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-2026-33534

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-2026-126306

EspoCRM before 9.3.11 and 10.x before 10.0.8 contains a stored cross-site scripting vulnerability that allows low-privileged users to upload crafted SVG images that submit authenticated POST requests to arbitrary backend endpoints. Attackers can trick an administrator into opening the SVG in a...

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...

EUVD-2026-125215

EspoCRM before 9.3.11 and 10.x before 10.0.9 contains a stored cross-site scripting vulnerability in Knowledge Base articles that lets users with Knowledge Base create or edit access attach a JavaScript file and add a crafted link to the article body. When an administrator clicks the link, the...

CVE-2026-126305

EspoCRM versions prior to 9.3.11 and 10.x before 10.0.9 are vulnerable to a stored cross-site scripting (XSS) flaw within Knowledge Base articles. An attacker with permissions to create or edit Knowledge Base articles can upload a JavaScript file and include a crafted link in the article body. If...

CVE-2026-126306 EspoCRM before 10.0.8 Stored XSS via Malicious SVG Attachment

EspoCRM before 9.3.11 and 10.x before 10.0.8 contains a stored cross-site scripting vulnerability that allows low-privileged users to upload crafted SVG images that submit authenticated POST requests to arbitrary backend endpoints. Attackers can trick an administrator into opening the SVG in a...

CVE-2026-126306

EspoCRM versions before 9.3.11 and 10.x before 10.0.8 are vulnerable to a stored cross-site scripting (XSS) vulnerability. The flaw allows low-privileged users to upload crafted SVG images designed to submit authenticated POST requests to arbitrary backend endpoints. An attacker can trick an admi...

EUVD-2026-125214

EspoCRM before 9.3.11 and 10.x before 10.0.8 contains a stored cross-site scripting vulnerability that allows low-privileged users to upload crafted SVG images that submit authenticated POST requests to arbitrary backend endpoints. Attackers can trick an administrator into opening the SVG in a...

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...

ESPOCRM-RCE-POC-CVE-2026-33656

EspoCRM command Example: ./poc.sh http://192.168.5.16:8090 admin admin id...

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...

PT-2026-146636

EspoCRM before 9.3.11 and 10.x before 10.0.9 contains a stored cross-site scripting vulnerability in Knowledge Base articles that lets users with Knowledge Base create or edit access attach a JavaScript file and add a crafted link to the article body. When an administrator clicks the link, the...

CVE-2026-118686

EspoCRM before 9.3.11 and 10.x before 10.0.8 contains a denial of service vulnerability in which the password-redaction regular expression applied during API error handling consumes excessive CPU on long request bodies. Unauthenticated remote attackers can concurrently send a small number of larg...

CVE-2026-118686

EspoCRM before 9.3.11 and 10.x before 10.0.8 contains a denial of service vulnerability in which the password-redaction regular expression applied during API error handling consumes excessive CPU on long request bodies. Unauthenticated remote attackers can concurrently send a small number of larg...

CVE-2026-118686 EspoCRM before 9.3.11 and 10.0.8 Unauthenticated Denial of Service via Password-Redaction Regex

EspoCRM before 9.3.11 and 10.x before 10.0.8 contains a denial of service vulnerability in which the password-redaction regular expression applied during API error handling consumes excessive CPU on long request bodies. Unauthenticated remote attackers can concurrently send a small number of larg...

CVE-2026-118686 EspoCRM before 9.3.11 and 10.0.8 Unauthenticated Denial of Service via Password-Redaction Regex

EspoCRM before 9.3.11 and 10.x before 10.0.8 contains a denial of service vulnerability in which the password-redaction regular expression applied during API error handling consumes excessive CPU on long request bodies. Unauthenticated remote attackers can concurrently send a small number of larg...

EUVD-2026-112391

EspoCRM before 9.3.11 and 10.x before 10.0.8 contains a denial of service vulnerability in which the password-redaction regular expression applied during API error handling consumes excessive CPU on long request bodies. Unauthenticated remote attackers can concurrently send a small number of larg...

CVE-2026-118686

EspoCRM versions before 9.3.11 and 10.x before 10.0.8 are vulnerable to a Denial of Service (DoS) attack. The root cause is an inefficient password-redaction regular expression used during API error handling, which consumes excessive CPU resources when processing long request bodies. Unauthentica...

PT-2026-129159

EspoCRM before 9.3.11 and 10.x before 10.0.8 contains a denial of service vulnerability in which the password-redaction regular expression applied during API error handling consumes excessive CPU on long request bodies. Unauthenticated remote attackers can concurrently send a small number of larg...