CVE-2026-33591

Authentication bypass on WaptServer

State: Published
Severity: 10.0 Critical
Published: Aug 3, 2026
Updated: Aug 3, 2026
Reserved: Mar 23, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	10.0 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	ENISA

Weaknesses

CWE-288 Authentication bypass using an alternate path or channel

Affected Products

Product	Versions
WAPT ServerTranquil IT Systems	2.6.0.16767 through 2.6.1.17787Affected

References

https://www.wapt.fr/en/doc/wapt-changelog.html#wapt-2-6-0-16856-2026-06-09release-notes
https://www.wapt.fr/en/doc/wapt-changelog.html#wapt-2-6-1-17813-2026-06-09release-notes
https://www.wapt.fr/en/doc/wapt-security-bulletin.htmlvendor-advisory

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