AUGUST 15, 2026
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Case File

CVE-2026-19643

MEDIUM · CVSS 5.3 EPSS 0.33% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-12 · Last synced 2026-08-15

CyberRota Analysis

AI-Generated

An out-of-bounds read vulnerability in the Base64 decoder of Amazon's aws-sdk-cpp prior to version 1.11.862 could allow a remote authenticated user to crash applications that handle specially crafted Base64-encoded input. This issue primarily affects users of the SDK on certain platforms and could lead to application instability. Organizations utilizing this SDK should prioritize upgrading to the latest version to mitigate potential disruptions.

Public Exploit Signal

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

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

CVE
CVE-2026-19643
Severity
MEDIUM
CVSS
5.3
EPSS
0.33%

Original NVD Description

An out-of-bounds read issue in the Base64 decoder in Amazon aws-sdk-cpp before 1.11.862, on some platforms, might allow a remote authenticated user to crash an application that processes crafted Base64-encoded input. To remediate this issue, users should upgrade to version 1.11.862.