CVE-2026-51947
Critical
Description
An issue in Pivotal CRM 6.6.4.08 and systems using patch-ghi-15381-cwe-502-20251225.zip (fixed in Pivotal CRM 6.6.5.10 and Patch_CWE502_20260316.zip) allows a remote attacker to execute arbitrary code via the Pivotal.Engine.Client.Services.Conversion.dll component. NOTE: this issue exists because of an incomplete fix for CVE-2026-39253.
SeverityCritical
CVSS9.8
Exploit probability—
ProductPatch-ghi-15381-cwe-502-20251225.zip
PublishedJul 1, 2026
First seenJul 1, 2026
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Update
- patch-ghi-15381-cwe-502-20251225.zipPatch_CWE502_20260316.zip or later
- Pivotal CRM6.6.5.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| patch-ghi-15381-cwe-502-20251225.zip | No range specified | Patch_CWE502_20260316.zip |
| Pivotal CRM | 6.6.4.08 ≤ v | 6.6.5.10 |
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