SEPTEMBER 7, 2026
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Case File

CVE-2026-15588

MEDIUM · CVSS 5.3 EPSS 0.19% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-07-20 · Last synced 2026-08-19

CyberRota Analysis

AI-Generated

The vulnerability in the `GDBus` component of GLib allows unauthenticated local or remote attackers to exploit improper length limitations on data lines, leading to denial-of-service and resource exhaustion. By sending excessively long data streams, attackers can cause significant memory and CPU consumption, potentially resulting in application crashes or system hangs. Organizations utilizing GLib should prioritize patching this vulnerability to mitigate the risk of service disruption.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-15588
Severity
MEDIUM
CVSS
5.3
EPSS
0.19%

Original NVD Description

A denial-of-service and resource exhaustion vulnerability exists within the `GDBus` component of GLib. The `gdbusauth` authentication mechanism fails to enforce proper length limitations on data lines read from a client. An unauthenticated local or remote attacker can exploit this lack of input validation by sending excessively long streams of data, causing the application to consume massive amounts of system memory and CPU, potentially leading to a crash or system hang.