Quick answers
- Is CVE-2025-65087 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2025-65087 being exploited in the wild.
- How severe is CVE-2025-65087?
- Informational severity, with a CVSS score of 8.4, published 12 May 2026.
- Which products and versions are affected?
- Ashlar-Vellum Cobalt <= 12.6.1204.216; Ashlar-Vellum Xenon <= 12.6.1204.216; Ashlar-Vellum Argon <= 12.6.1204.216; Ashlar-Vellum Lithium <= 12.6.1204.216; and 1 more.
- Is there a fix for CVE-2025-65087?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2025-65087 attacked?
- It is attacked with local access, in a network appliance.
- Am I affected by CVE-2025-65087?
- Check whether anything you run is named in the advisory. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
An out-of-bounds read vulnerability (CWE-125) exists in multiple Ashlar-Vellum products, including Cobalt, Xenon, Argon, Lithium, and Cobalt Share. The flaw is triggered during the parsing of specially crafted VC6 files. While the primary vulnerability is an out-of-bounds read, the advisory indicates it can be leveraged for both information disclosure and arbitrary code execution. Exploitation requires a local user to open a malicious file (user interaction required). The vendor has released build 12.6.1204.217 to mitigate this issue.
Affected products
- Ashlar-Vellum Cobalt <= 12.6.1204.216
- Ashlar-Vellum Xenon <= 12.6.1204.216
- Ashlar-Vellum Argon <= 12.6.1204.216
- Ashlar-Vellum Lithium <= 12.6.1204.216
- Ashlar-Vellum Cobalt Share <= 12.6.1204.216
Timeline
- 2026-05-12: advisory: CISA ICSA-25-329-01 published
- 2026-05-12: disclosed: CVE-2025-65087 published to NVD