Authentication bypass on WaptServer
Summary
| CVE | CVE-2026-33591 |
|---|---|
| State | PUBLISHED |
| Assigner | ENISA |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-03 10:16:28 UTC |
| Updated | 2026-10-23 22:10:00 UTC |
| 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. |
Risk And Classification
Primary CVSS: v4.0 10 CRITICAL from a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS: 0.007140000 probability, percentile 0.531850000 (date 2026-10-23)
Problem Types: CWE-288 | CWE-288 CWE-288 Authentication bypass using an alternate path or channel
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | a6d3dc9e-0591-4a13-bce7-0f5b31ff6158 | Secondary | 10 | CRITICAL | 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/E:X/C... |
| 4.0 | CNA | CVSS | 10 | CRITICAL | 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 |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowAttack Requirements
NonePrivileges Required
NoneUser Interaction
NoneConfidentiality
HighIntegrity
HighAvailability
HighSub Conf.
HighSub Integrity
HighSub Availability
HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Tranquil IT Systems | WAPT Server | affected 2.6.0.16767 2.6.1.17787 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.wapt.fr/en/doc/wapt-security-bulletin.html | a6d3dc9e-0591-4a13-bce7-0f5b31ff6158 | www.wapt.fr | |
| www.wapt.fr/en/doc/wapt-changelog.html | a6d3dc9e-0591-4a13-bce7-0f5b31ff6158 | www.wapt.fr | |
| www.wapt.fr/en/doc/wapt-changelog.html | a6d3dc9e-0591-4a13-bce7-0f5b31ff6158 | www.wapt.fr | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Brian CHERVY, System Engineer from Antiane, Réunion Team, https://antiane.com (en)
CNA: CERT-FR (en)
There are currently no legacy QID mappings associated with this CVE.