CVE-2026-25707

libzypp · libzypp

A relative path traversal vulnerability in libzypp allows attackers to manipulate repository metadata processing.

Executive summary

The libzypp package contains a relative path traversal vulnerability that could allow attackers to bypass file system restrictions and potentially compromise system integrity.

Vulnerability

This vulnerability is a relative path traversal flaw triggered during the processing of repository metadata. An attacker could exploit this to access or overwrite files outside of the intended directory, assuming they can influence the repository metadata content.

Business impact

With a CVSS score of 8.8, this vulnerability presents a high risk to organizational security. Successful exploitation could lead to unauthorized file access or system-level configuration changes, potentially resulting in full system compromise or the introduction of malicious packages into the software update lifecycle.

Remediation

Immediate Action: Update the libzypp package to version 17 or higher as specified by the vendor.

Proactive Monitoring: Monitor system logs for unusual file access patterns or unexpected modifications to repository configuration files.

Compensating Controls: Ensure that repository sources are sourced only from trusted, authenticated mirrors and utilize signed repository metadata where available.

Exploitation status

Public Exploit Available: false

Analyst recommendation

Given the central role of libzypp in system package management, the risk of supply chain-style attacks is significant. Administrators must prioritize the application of vendor-provided security patches immediately to mitigate the risk of arbitrary file manipulation.