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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2025-41086

20
FAUCET Score

CVE-2025-41086 is an access control vulnerability in the GAMS licensing system, affecting GAMS products. An attacker can exploit an insecure checksum algorithm to generate unlimited valid licenses, bypassing usage restrictions and granting themselves full privileges to GAMS mathematical models and commercial solvers without credentials. This medium-severity vulnerability (CVSS 6.5) has a low attack complexity and requires no user interaction, potentially leading to unauthorized access and data manipulation. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 48.7.0CPE matchmatch criteria
cpe:2.3:a:gams:gams:*:*:*:*:*:*:*:*
>= 49.1.0, < 49.7.0CPE matchmatch criteria
cpe:2.3:a:gams:gams:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

6.9MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
LOW
VS Integrity
LOW
VS Availability
NONE
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.19%
Probability of exploitation in next 30 days
EPSS Percentile
9.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0019 is in the 2nd percentile among its peer group of 23,725 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

gams.com / latest/docs/RN_51.html
Release Notes
incibe.es / en/incibe-cert/notices/aviso/authorization-bypass-gams-gams-development-corp
Third Party Advisory