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Vulnerability record · CVE-2026-54712 · published 1 July 2026

CVE-2026-54712: Linuxfoundation opentelemetry instrumentation for java uncontrolled resource consumption vulnerability

Linuxfoundation · Opentelemetry Instrumentation For Java

OpenTelemetry Java Instrumentation provides OpenTelemetry auto-instrumentation and instrumentation libraries for Java. In versions prior to 2.27.0, the RMI context propagation payload reader limits the number of context entries but does not limit the aggregate size of the strings read from the stream. An attacker who can reach an RMI endpoint on an instrumented JVM can send an oversized context propagation payload. This can cause excessive memory allocation while the JVM reads the payload, potentially leading to denial of service. The issue affects only deployments where RMI instrumentation is enabled and an RMI endpoint is network-reachable. This issue has been fixed in version 2.27.0.

7.5 CVSS 3.1 High EPSS 0.46% · top 62.6% CWE-400 · Uncontrolled resource consumption
7.5CVSS 3.1 base score
0.46%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
6 Jul 2026Last modified by NVD

Description

OpenTelemetry Java Instrumentation provides OpenTelemetry auto-instrumentation and instrumentation libraries for Java. In versions prior to 2.27.0, the RMI context propagation payload reader limits the number of context entries but does not limit the aggregate size of the strings read from the stream. An attacker who can reach an RMI endpoint on an instrumented JVM can send an oversized context propagation payload. This can cause excessive memory allocation while the JVM reads the payload, potentially leading to denial of service. The issue affects only deployments where RMI instrumentation is enabled and an RMI endpoint is network-reachable. This issue has been fixed in version 2.27.0.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/open-telemetry/opentelemetry-java-instrumentation/security/advisories/GHSA-fq3f-m5qm-99f5 Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-54712), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.