CVE-2025-8005: cobalt (CVSS 7.8)

Description

Ashlar-Vellum Cobalt XE File Parsing Type Confusion Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Cobalt. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of XE files. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-26237.

Is your site exposed to CVE-2025-8005?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

7.8

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-843 CWE-843

Affected Products

Vendor	Product	Versions
ashlar	cobalt	All

References

Other References

https://www.zerodayinitiative.com/advisories/ZDI-25-722/

Frequently Asked Questions

What is CVE-2025-8005? +

Ashlar-Vellum Cobalt XE File Parsing Type Confusion Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Cobalt. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of XE files. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-26237. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2025-8005? +

CVE-2025-8005 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-8005? +

CVE-2025-8005 affects products from ashlar, specifically: cobalt. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-8005? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-8358

LibreOffice Calc can import tracked changes from a spreadsheet document. A heap buffer overflow existed when a document reused the …

CVE-2026-6210

A type confusion vulnerability in Qt SVG allows an attacker to cause an application crash via a crafted SVG image. …

CVE-2026-6047

LibreOffice can import documents in the OOXML format (DOCX). A heap buffer overflow existed when replaying deferred parser events for …

CVE-2024-5436 9.8

Type confusion in Snapchat LensCore could lead to denial of service or arbitrary code execution prior to version 12.88. We …

CVE-2024-20078 9.8

In venc, there is a possible out of bounds write due to type confusion. This could lead to local escalation …

CVE-2025-22435 9.8

In avdt_msg_ind of avdt_msg.cc, there is a possible memory corruption due to type confusion. This could lead to paired device …

CVE-2025-8005