Exposure of Data Element to Wrong Session Affecting libcurl package, versions [7.76.0,8.20.0)


Severity

Recommended
0.0
low
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.02% (5th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-CONAN-LIBCURL-16340571
  • published2 May 2026
  • disclosed29 Apr 2026
  • creditOsama Hamad

Introduced: 29 Apr 2026

NewCVE-2026-5773  (opens in a new tab)
CWE-488  (opens in a new tab)

How to fix?

Upgrade libcurl to version 8.20.0 or higher.

Overview

Affected versions of this package are vulnerable to Exposure of Data Element to Wrong Session due to the SMB connection reuse. An attacker can cause unintended file downloads or uploads to incorrect locations by exploiting a logical error in the reuse of SMB connections.

CVSS Base Scores

version 4.0
version 3.1