Description
A flaw was found in curl. When the command-line tool is executed with the remote header name option to prevent overwriting existing files, a malicious server can bypass this protection by returning an intermediate HTTP 103 (Early Hints) response or through specific header ordering. This flaw allows an attacker controlling a remote server to overwrite existing local files on the client system.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No solution or workaround provided in the CVE record.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
Sign in to view the affected projects.
Advisories
| Source | ID | Title |
|---|---|---|
Ubuntu USN |
USN-8927-1 | curl vulnerabilities |
References
History
Sat, 17 Oct 2026 00:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A flaw was found in curl. When the command-line tool is executed with the remote header name option to prevent overwriting existing files, a malicious server can bypass this protection by returning an intermediate HTTP 103 (Early Hints) response or through specific header ordering. This flaw allows an attacker controlling a remote server to overwrite existing local files on the client system. | |
| Title | curl: curl: -J no-clobber guarantee bypassed with 103 early hints | |
| Weaknesses | CWE-73 | |
| References |
| |
| Metrics |
threat_severity
|
cvssV3_1
|
Subscriptions
No data.
No data.
No data.
No data.
OpenCVE Enrichment
Updated: 2026-10-17T02:00:07Z
Weaknesses
-
CWE-73
External Control of File Name or Path
Ubuntu USN