Remote Code Execution Vulnerability in Ashlar-Vellum Cobalt File Parsing
CVE-2025-7995

7.8HIGH

Key Information:

Vendor

Ashlar-vellum

Status
Cobalt
Vendor
CVE Published:
17 September 2025

What is CVE-2025-7995?

A vulnerability exists in the Ashlar-Vellum Cobalt product due to improper validation of user-supplied CO file data. This flaw leads to a type confusion condition that can be exploited by remote attackers. Successful exploitation requires user interaction, as the victim must open a malicious CO file or visit a compromised web page. If executed, this flaw can allow attackers to run arbitrary code in the context of the application, posing significant risks to affected installations.

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Affected Version(s)

Cobalt 12 SP1

References

https://www.zerodayinitiative.com/advisories/ZDI-25-717/
x_research-advisory

CVSS V3.0

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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