CVE-2026-24668 Open eClass Broken Access Control Allows Students to Add Content to Course Units

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, a broken access control vulnerability allows authenticated students to add content to existing course units, an action normally restricted to higher-privileged roles. This issue h...

EUVD-2026-5227

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, a broken access control vulnerability allows authenticated students to add content to existing course units, an action normally restricted to higher-privileged roles. This issue h...

CVE-2026-24667

CVE-2026-24667 concerns the Open eClass platform (formerly GUnet eClass). Before version 4.2, the system failed to invalidate active user sessions after a password change, allowing existing session tokens to remain usable and potentially granting unauthorized continued access to user accounts. Th...

EUVD-2026-5229

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, a Cross-Site Request Forgery CSRF vulnerability in multiple teacher-restricted endpoints allows attackers to induce authenticated teachers to perform unintended actions, such as...

CVE-2026-24665 Open eClass is Vulnerable to Stored Cross-Site Scripting (XSS) via Student Assignment Upload

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, a stored Cross-Site Scripting XSS vulnerability allows authenticated students to inject malicious JavaScript into uploaded assignment files, which is executed when instructors vie...

CVE-2026-24773 Open eClass Unauthenticated IDOR Allows Access to Arbitrary User Files

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, an Insecure Direct Object Reference IDOR vulnerability allows unauthenticated remote attackers to access personal files of other users by directly requesting predictable user...

CVE-2026-24674

Open eClass (formerly GUnet eClass) is vulnerable to a Reflected XSS in multiple endpoints prior to version 4.2. The root cause is reflected XSS that allows an attacker to coerce authenticated users into executing arbitrary JavaScript via crafted URLs. Impact is to expose user context data and po...

EUVD-2026-5234

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, a Reflected Cross-Site Scripting XSS vulnerability allows remote attackers to execute arbitrary JavaScript in the context of authenticated users by crafting malicious URLs and...

CVE-2026-24674 Open eClass is Vulnerable to Reflected Cross-Site Scripting (XSS) in Multiple Endpoints

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, a Reflected Cross-Site Scripting XSS vulnerability allows remote attackers to execute arbitrary JavaScript in the context of authenticated users by crafting malicious URLs and...

CVE-2026-24673

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, a file upload validation bypass vulnerability allows attackers to upload files with prohibited extensions by embedding them inside ZIP archives and extracting them using the...

CVE-2026-24673

The CVE-2026-24673 entry describes a file upload validation bypass in Open eClass (formerly GUnet eClass) prior to version 4.2. Attackers could embed prohibited extensions inside ZIP archives and rely on the application's decompression to extract them, bypassing file-type checks. This issue has b...

EUVD-2026-5238

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, a Stored Cross-Site Scripting XSS vulnerability allows authenticated high-privileged users teachers or administrators to inject malicious JavaScript into multiple user-controllabl...

EUVD-2026-5239

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, a broken access control vulnerability allows authenticated students to create new course units, an action normally restricted to higher-privileged roles. This issue has been patch...

CVE-2026-24664 Open eClass is Vulnerable to Username Enumeration via Login Response Discrepancies

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, a username enumeration vulnerability allows unauthenticated attackers to identify valid user accounts by analyzing differences in the login response behavior. This issue has been...

PYSEC-2026-42

An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4.2.28. The django.contrib.auth.handlers.modwsgi.checkpassword function for authentication via modwsgi allows remote attackers to enumerate users via a timing attack. Earlier, unsupported Django series such as 5.0.x,...

CVE-2026-1287 Potential SQL injection in column aliases via control characters

An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4.2.28. FilteredRelation is subject to SQL injection in column aliases via control characters, using a suitably crafted dictionary, with dictionary expansion, as the kwargs passed to QuerySet methods annotate, aggregat...

UBUNTU-CVE-2025-14550

An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4.2.28. ASGIRequest allows a remote attacker to cause a potential denial-of-service via a crafted request with multiple duplicate headers. Earlier, unsupported Django series such as 5.0.x, 4.1.x, and 3.2.x were not...

PT-2026-6204

Name of the Vulnerable Software and Affected Versions Open eClass versions prior to 4.2 Description The Open eClass platform, previously known as GUnet eClass, a course management system, contains a Stored Cross-Site Scripting XSS issue. Authenticated students can inject malicious JavaScript into...

PT-2026-6205

Name of the Vulnerable Software and Affected Versions Open eClass versions prior to 4.2 Description The Open eClass platform, previously known as GUnet eClass, is a course management system. A file upload validation bypass allows attackers to upload files with restricted extensions by including...

Open eClass Cross-Site Script Vulnerabilities

Open eClass is an open-source e-classroom system developed by the Greek Universities Network. Versions of Open eClass prior to 4.2 contained a cross-site scripting vulnerability. This vulnerability stemmed from reflective cross-site scripts, which could allow remote attackers to execute arbitrary...