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CVE-2026-33591— Authentication bypass on WaptServer

Quick assessment

Affected
Tranquil IT Systems WAPT Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Tranquil Wapt是Tranquil个人开发者的一款面向企业环境的软件包管理与部署系统。 Tranquil Wapt 2.6.1.17813之前版本存在授权问题漏洞，该漏洞源于使用特制数据包绕过安全限制，可能导致远程未认证攻击者获取目标账户的有效会话令牌。

CVSS 10.0 · Critical EPSS 0.71% · P52

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Tranquil IT Systems WAPT Server 2.6.0.16767≤ 2.6.1.17787 affected
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I. Basic Information for CVE-2026-33591

Vulnerability Information
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Vulnerability Title
Authentication bypass on WaptServer
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
Tranquil Wapt 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tranquil Wapt是Tranquil个人开发者的一款面向企业环境的软件包管理与部署系统。 Tranquil Wapt 2.6.1.17813之前版本存在授权问题漏洞，该漏洞源于使用特制数据包绕过安全限制，可能导致远程未认证攻击者获取目标账户的有效会话令牌。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Tranquil IT Systems WAPT Server 2.6.0.16767 ~ 2.6.1.17787 -

II. Public POCs for CVE-2026-33591

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III. Intelligence Information for CVE-2026-33591

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Vendor Advisories for CVE-2026-33591 (1)

Vendor Pages for CVE-2026-33591 (1)

Other References for CVE-2026-33591 (1)

IV. Related Vulnerabilities

Same weakness: CWE-288

V. Comments for CVE-2026-33591

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