CVE-2026-33591
Received Received - Intake

Authentication Bypass in Wapt Server

Publication date: 2026-08-03

Last updated on: 2026-08-03

Assigner: ENISA

Description
A vulnerability in Wapt Server before version 2.6.1.17813 allows a  remote unauthenticated attacker to bypass security restriction using a specially crafted packet and retrieve a valid session token for the targeted account.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-08-03
Last Modified
2026-08-03
Generated
2026-08-03
AI Q&A
2026-08-03
EPSS Evaluated
N/A
NVD
CVE-2026-33591
EUVD
EUVD-2026-52256

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
wapt wapt_server to 2.6.1.17813 (exc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-288 The product requires authentication, but the product has an alternate path or channel that does not require authentication.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability allows a remote unauthenticated attacker to bypass security restrictions in Wapt Server versions before 2.6.1.17813 by sending a specially crafted packet. The attacker can then retrieve a valid session token for any targeted account without needing credentials.

Impact Analysis

An attacker could gain unauthorized access to user accounts, potentially stealing sensitive data, performing actions on behalf of legitimate users, or escalating privileges within the system. This could lead to data breaches or system compromise.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating GDPR and HIPAA requirements for data protection and access controls. Organizations using affected Wapt Server versions may face compliance violations and potential fines.

Mitigation Strategies

Immediately upgrade Wapt Server to version 2.6.1.17813 or later to address the vulnerability. If upgrading is not possible, isolate the affected system from untrusted networks and restrict access to the server until a patch is applied.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-33591. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart