Remote Code Execution Vulnerability in Ashlar-Vellum Cobalt CO File Parsing
CVE-2025-8002

7.8HIGH

Key Information:

Vendor

Ashlar-vellum

Status
Cobalt
Vendor
CVE Published:
17 September 2025

What is CVE-2025-8002?

A vulnerability in Ashlar-Vellum Cobalt's CO file parsing process allows remote attackers to execute arbitrary code. The issue arises from inadequate validation of user-supplied data, leading to a type confusion condition. To exploit this vulnerability, an attacker must trick the target into visiting a malicious webpage or opening a compromised file. This flaw represents a significant risk as it enables unauthorized actions within the context of the current process, potentially compromising the user's system.

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Affected Version(s)

Cobalt 12 SP1

References

https://www.zerodayinitiative.com/advisories/ZDI-25-724/
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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