An unauthenticated remote code execution vulnerability was identified in GMS 9.5.1 (Build 9510.1044) and earlier versions which allows remote… (CVE-2026-66145)
An unauthenticated remote code execution vulnerability exists in GMS version 9.5.1 (Build 9510.1044) and earlier. This vulnerability allows a remote attacker to read sensitive data and perform arbitrary file writes via a zip slip attack. The vulnerability is identified as CVE-2026-66145 and has a high severity rating.
AI Analysis
Technical Summary
CVE-2026-66145 is an unauthenticated remote code execution vulnerability affecting GMS 9.5.1 (Build 9510.1044) and earlier versions. The flaw allows remote attackers to exploit a zip slip vulnerability to read sensitive data and write arbitrary files on the affected system. The vulnerability has a CVSS 3.1 base score of 8.3, indicating high impact on confidentiality, integrity, and availability. No patch or remediation details are provided in the available data.
Potential Impact
Successful exploitation of this vulnerability can lead to remote code execution without authentication, allowing attackers to read sensitive information and write arbitrary files, potentially compromising system integrity and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to vulnerable GMS versions and monitor for suspicious activity related to zip file processing.
An unauthenticated remote code execution vulnerability was identified in GMS 9.5.1 (Build 9510.1044) and earlier versions which allows remote… (CVE-2026-66145)
Description
An unauthenticated remote code execution vulnerability exists in GMS version 9.5.1 (Build 9510.1044) and earlier. This vulnerability allows a remote attacker to read sensitive data and perform arbitrary file writes via a zip slip attack. The vulnerability is identified as CVE-2026-66145 and has a high severity rating.
CVSS v3.1
Score 8.3high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-66145 is an unauthenticated remote code execution vulnerability affecting GMS 9.5.1 (Build 9510.1044) and earlier versions. The flaw allows remote attackers to exploit a zip slip vulnerability to read sensitive data and write arbitrary files on the affected system. The vulnerability has a CVSS 3.1 base score of 8.3, indicating high impact on confidentiality, integrity, and availability. No patch or remediation details are provided in the available data.
Potential Impact
Successful exploitation of this vulnerability can lead to remote code execution without authentication, allowing attackers to read sensitive information and write arbitrary files, potentially compromising system integrity and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to vulnerable GMS versions and monitor for suspicious activity related to zip file processing.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-grvr-3pp5-mp37
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-66145"]
- Ecosystems
- []
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6a7c9b6fbf8831d539ce00f8
Added to database: 08/12/2026, 16:12:31 UTC
Last enriched: 08/12/2026, 17:24:16 UTC
Last updated: 08/13/2026, 01:40:59 UTC
Views: 3
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