CVE-2025-8002: Ashlar-Vellum Cobalt · Type Confusion
Affects Ashlar-Vellum CobaltSource CVE Database V5
Not known to be exploited · CVSS 7.8 High.
Data as of 26 Oct 2026, 17:16 UTC
- 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:HExploitation evidence
Disclosed: evidence found.
CVE published 17 Sep 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 26 Oct 2026.
What to do
AI-suggested
- Immediately implement strict email and web filtering to block or quarantine suspicious CO files and links that could deliver malicious files.
- 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.
- Employ application whitelisting to restrict execution of unauthorized code and monitor for anomalous behavior related to Ashlar-Vellum Cobalt processes.
- Use endpoint detection and response (EDR) tools to detect and respond to suspicious activities indicative of exploitation attempts.
- Isolate systems running Ashlar-Vellum Cobalt from critical network segments to limit lateral movement in case of compromise.
- Regularly back up design files and critical data offline to enable recovery in case of ransomware or destructive attacks.
- Monitor vendor communications closely for patches or updates addressing this vulnerability and prioritize timely deployment once available.
- 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.