CVE-2025-48058: Powsybl Powsybl-Core

Medium severity, CVSS 6.3. EPSS: 0.4% chance of exploitation in the next 30 days.

PowSyBl (Power System Blocks) is a framework to build power system oriented software. Prior to version 6.7.2, there is a potential polynomial Regular Expression Denial of Service (ReDoS) vulnerability in the PowSyBl's DataSource mechanism. If successfully exploited, a malicious actor can cause significant CPU consumption due to regex backtracking — even with polynomial patterns. This issue has been patched in com.powsybl:powsybl-commons: 6.7.2.

Affected products

• Powsybl Powsybl-Core: before 6.7.2 (fixed in 6.7.2)

Published 2025-06-20. Last modified 2026-06-17.