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Critical · 9.8 Public exploit CVE-2026-51947 EUVD-2026-41223GHSA-556j-vv66-v5jp

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_202…

Published Jul 1, 2026 · Updated Jul 2, 2026 · Assigned by mitre

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.

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

  • timtimxs/CVE-2026-51947-Advisory ★ 0 · Jul 1, 2026

    Pivotal CRM's patch for an initial deserialization vulnerability was incomplete. The fix switched from BinaryFormatter to JSON.NET but left TypeNameHandling set to 4 without implementing Serializatio…

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

References