Resource exhaustion in brace-expansion - CVE-2026-45149
Published: May 12, 2026
Vulnerability identifier: #VU131107
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-45149
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
brace-expansion
brace-expansion
Software vendor:
Julian Gruber
Julian Gruber
Description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper resource consumption in the numeric range expansion logic when processing a string containing a single large numeric range. A remote attacker can supply a specially crafted expansion string to cause a denial of service.
User interaction is required to process the crafted expansion input.
Remediation
Install security update from vendor's website.