A path traversal vulnerability exists in curl <8.0.0 SFTP implementation causes the tilde (~) character to be wrongly replaced when used as a prefix in the first path element, in addition to its intended use as the first element to indicate a path relative to the user's home directory. Attackers can exploit this flaw to bypass filtering or execute arbitrary code by crafting a path like /~2/foo while accessing a server with a specific user.

Related CVEs

CVE-2023-27534

Key Information

GHSA ID

GHSA-4j25-c9rf-fp5f

Published

March 30, 2023 9:30 PM

Last Modified

March 17, 2024 12:30 PM

CVSS Score

7.5 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: September 19, 2025 6:29 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.