CVE-2026-39253

CVSS 8.1 HIGHEPSS 0.8%CWE-502

Vexday Risk Score

41Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 8.1EPSS 0.8%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

23 Jun 2026Published on NVD

23 Jun 2026Public PoC

Recommendation: Plan a near-term fix — a public PoC already exists.

An issue in Pivotal CRM v.6.6.04.08 allows a remote attacker to execute arbitrary code via the Pivotal.Core.Common.dll and Pivotal.Engine.Client.Services.Conversion.dll components.

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

n/a · n/a

public PoCs found — 1

githubgithub.com/timtimxs/CVE-2026-39253-Advisory★ 0

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

https://support.pivotal.aurea.com/article/129552-remediating-insecure-deserialization-cwe-502-in-pivotal-6-6-04-08-smart-client-pbs https://timtimxs.github.io/CVE-2026-39253-Advisory/