CVE-2026-39253 - Vulnerability Details

Threat entity extracted from intelligence sources

Frequency
2
occurrences
First Seen
June 24, 2026
Last Seen
June 24, 2026

CVE-2026-39253 is a vulnerability tracked by ThreatCluster, appearing in 1 threat cluster built from 2 intelligence report mentions.

CVE-2026-39253 is a vulnerability tracked across 1 threat cluster and 2 intelligence report mentions on ThreatCluster. First observed June 24, 2026; most recent activity June 24, 2026.

Related Threat Clusters

Recent Intelligence Reports

  • CVE-2026-39253: n/a Radar - Latest Security Threats / 19h 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: 8.1) — radar.offseq.com · June 24, 2026
  • CVE-2026-39253: Pivotal CRM 6.6.04.08 - Remote Code Execution via Insecure Deserialization [HIGH] Exploit Intelligence — CVEs with Exploits / 16h AI-analyzed exploit summary This repository contains an HTML document that appears to be a support article from Pivotal Support discussing the remediation of an insecure deserialization vulnerability (CWE-502) in Pivotal 6.6.04.08 (Smart Client / PBS). This repository contains an HTML document that appears to be a support article from Pivotal Support d — exploit-intel.com · June 24, 2026

Frequently asked questions

What is CVE-2026-39253?

CVE-2026-39253 is a vulnerability tracked by ThreatCluster, appearing in 1 threat cluster built from 2 intelligence report mentions.

Is CVE-2026-39253 still active?

The most recent intelligence report mentioning CVE-2026-39253 on ThreatCluster is dated June 24, 2026.

What is CVE-2026-39253 associated with?

Across ThreatCluster reporting, CVE-2026-39253 most frequently co-occurs with Zero-day Exploit, Cwe-502 - Deserialization Of Untrusted Data, Pivotal CRM.

What are the latest developments involving CVE-2026-39253?

The most significant recent cluster is “CVE-2026-39253: High-Severity RCE Vulnerability in Pivotal CRM 6.6.04.08” (2 articles · Updated June 24, 2026). CVE-2026-39253 appears across 1 threat cluster in total, listed above with sources.

How much reporting does ThreatCluster have on CVE-2026-39253?

CVE-2026-39253 appears in 2 intelligence report mentions across 1 deduplicated threat cluster, aggregated from 17,000+ monitored sources.

CVSS v3.1 Breakdown