CVE-2026-15565

Published: Ago 11, 2026 Last Modified: Ago 11, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high

Description

AI Translation Available

A flaw was found in Undertow. A remote attacker can cause Out of Memory on websockets endpoint without authentication on any @ServerEndpoint class that has any @OnMessage method. This allows an attacker to cause Denial of Service attack without authentication and using only a standard WebSocket handshake.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0038
Percentile
0,3th
Updated

Single Data Point

Only one EPSS measurement is available for this CVE. Trend analysis requires multiple data points over time.

120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Incomplete
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability
Potential Impacts:
Modify Memory Execute Unauthorized Code Or Commands Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu)
Applicable Platforms
Languages: Memory-Unsafe, C, C++, Assembly
Likelihood of Exploit: High
View CWE Details
https://access.redhat.com/security/cve/CVE-2026-15565
https://access.redhat.com/security/cve/CVE-2026-15565
https://bugzilla.redhat.com/show_bug.cgi?id=2490628
https://bugzilla.redhat.com/show_bug.cgi?id=2490628