Vulnerability · Published Aug 3, 2026 · Assigned by ENISA
CVE-2026-33591Authentication bypass on WaptServer
Critical 10.0
In plain English
A critical-severity authentication bypass in WAPT Server from Tranquil IT Systems. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).
Severity (CVSS 4.0)10.0Critical
Exploit odds (30 days)0.7%top 46.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Tranquil IT Systems | WAPT Server | 2.6.0.16767 – through 2.6.1.17787 |
Weakness: CWE-288 · Vector: 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