CVE-2026-78254: Apache Ant: Path traversal in ftp and scp tasks allows arbitrary file write

Overview

Severity

High (CVSS 7.4)

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-09-11

EPSS Score

0.54% (percentile: 43.7%)

Affected Products (1)

Other

• 21865-17084

Security Updates (1)

• Security Update

Revision History

• 2026-09-11: Information published.