Exposure of Data Element to Wrong Session in cURL - CVE-2026-5773

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Main Vulnerability Database Vulnerabilities #VU128451

Exposure of Data Element to Wrong Session in cURL - CVE-2026-5773

Published: April 29, 2026


Vulnerability identifier: #VU128451
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-5773
CWE-ID: CWE-488
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
cURL
Software vendor:
curl.haxx.se

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper reuse of connection for SMB(S) transfers. A remote attacker can gain access to sensitive information on the system.


Remediation

Install updates from vendor's website.

External links