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CVE-2025-8002VulnerabilityPublished

CVE-2025-8002: Ashlar-Vellum Cobalt · Type Confusion

Affects Ashlar-Vellum CobaltSource CVE Database V5

0

Not known to be exploited · CVSS 7.8 High.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.0 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 10% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 17 Sep 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

AI-suggested

1. Immediately implement strict email and web filtering to block or quarantine suspicious CO files and links that could deliver malicious files. 2. Educate users about the risks of opening unsolicited or unexpected CO files and visiting untrusted websites, emphasizing the need for caution with files received via email or messaging platforms. 3. Employ application whitelisting to restrict execution of unauthorized code and monitor for anomalous behavior related to Ashlar-Vellum Cobalt processes. 4. Use endpoint detection and response (EDR) tools to detect and respond to suspicious activities indicative of exploitation attempts. 5. Isolate systems running Ashlar-Vellum Cobalt from critical network segments to limit lateral movement in case of compromise. 6. Regularly back up design files and critical data offline to enable recovery in case of ransomware or destructive attacks. 7. Monitor vendor communications closely for patches or updates addressing this vulnerability and prioritize timely deployment once available. 8. Consider temporary suspension of CO file sharing or opening until a patch is applied, if operationally feasible.

Description

Ashlar-Vellum Cobalt CO 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 CO 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-26233.

References

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