Unauthenticated account impersonation via session-token retrieval
Published Aug 3, 2026 · Updated Aug 3, 2026
Authentication bypass in Tranquil IT WAPT Server before 2.6.1.17813 allows remote attackers to retrieve a targeted account's session token. Tranquil IT has not disclosed which packet handler or authentication check accepts the crafted packet and returns the token. No credentials or user interaction are required; the token enables impersonation of the targeted account, while further impact is undisclosed.
Summary
What happened
Authentication bypass in Tranquil IT WAPT Server before 2.6.1.17813 allows remote attackers to retrieve a targeted account's session token. Tranquil IT has not disclosed which packet handler or authentication check accepts the crafted packet and returns the token. No credentials or user interaction are required; the token enables impersonation of the targeted account, while further impact is undisclosed.
The record
- CVE
- CVE-2026-33591
- Published
- Aug 3, 2026
- Updated
- Aug 3, 2026
- Vendor
- Tranquil IT
- Product
- WAPT Server
- Classifications
- T1078
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Aug 3, 2026CVE publishedPublication date reported by the CVE source.
- Aug 3, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=2.6.0.16767 <=2.6.1.17787
What conditions does exploitation require?
What is affected?
Published CVSS scores
No CVSS assessment is available in this record.
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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