CVE-2025-41086: gams before 48.7.0 (exclusive), from 49.1.0 (inclusive), before 49.7.0 (exclusive); +1 more affected products

Affected technology

gams · before 48.7.0 (exclusive)
gams

gams · from 49.1.0 (inclusive), before 49.7.0 (exclusive)
gams

GAMS · 0 through 49.6.0
AMS Development Corp.

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

An attacker can recalculate the checksum and generate a valid license to grant themselves full privileges without credentials or access to the source code, allowing them unrestricted access to GAMS's mathematical models and commercial solvers. Vendor/CNA’s CVSS 4.0 assessment (base score 6.9/10) rates confidentiality and integrity impact as low; availability impact as none.