CVE-2026-6863: Go Path Traversal Via Strings Hasprefix
Validating paths mapped into a directory using `strings.HasPrefix` is prone to partial directory traversal if the directory path does not end with a separator. An attacker can construct a path that traverses out of the target directory into a sibling directory with a similar name (e.g., `target` and `target_malicious`). Use `filepath.Rel` and check for ".."
Gogreprules fetch cve-2026-6863-go-path-traversal-via-strings-hasprefix --engine opengrepDescription
Validating paths mapped into a directory using `strings.HasPrefix` is prone to partial directory traversal if the directory path does not end with a separator. An attacker can construct a path that traverses out of the target directory into a sibling directory with a similar name (e.g., `target` and `target_malicious`). Use `filepath.Rel` and check for ".."
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