Critical Deserialization Flaw in camel-infinispan Allows RCE
The National Vulnerability Database has disclosed CVE-2026-6857, a high-severity vulnerability impacting camel-infinispan. This flaw, rated 7.5 CVSS, stems from unsafe deserialization within the ProtoStream remote aggregation repository.
An attacker with low privileges can exploit this by sending specially crafted data, leading directly to arbitrary code execution. The impact is total: full system control, compromising confidentiality, integrity, and availability. This isn’t theoretical; it’s a direct path to full system compromise from a low-privilege foothold.
This class of vulnerability, CWE-502 (Deserialization of Untrusted Data), is a persistent headache for defenders. It consistently ranks among the most dangerous as it often provides a reliable vector for remote code execution. Defenders need to take this seriously, as it represents a critical attack surface.
What This Means For You
- If your organization uses camel-infinispan, you need to identify all instances immediately. This vulnerability allows low-privileged attackers to achieve arbitrary code execution and gain full control over affected systems. Prioritize patching or implementing compensating controls to prevent unauthorized access and data compromise.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-6857 - Unsafe Deserialization via ProtoStream Remote Aggregation
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-6857 | RCE | camel-infinispan |
| CVE-2026-6857 | Deserialization | ProtoStream remote aggregation repository |
| CVE-2026-6857 | Code Injection | sending specially crafted data |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 22, 2026 at 16:16 UTC |
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