npm package `expr-eval` is vulnerable to Prototype Pollution. An attacker with access to express eval interface can use JavaScript prototype-based inheritance model to achieve arbitrary code execution. The npm expr-eval-fork package resolves this issue.

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:0140 advisory.

    The Grafana plugin for Performance Co-Pilot includes datasources for scalable time series from pmseries     and Redis, live PCP metrics and bpftrace scripts from pmdabpftrace, as well as several dashboards.

    Security Fix(es):

    * expr-eval: expr-eval: Prototype Pollution (CVE-2025-13204)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - npm package `expr-eval` is vulnerable to Prototype Pollution. An attacker with access to express eval     interface can use JavaScript prototype-based inheritance model to achieve arbitrary code execution. The     npm expr-eval-fork package resolves this issue. (CVE-2025-13204)

Note that Nessus relies on the presence of the package as reported by the vendor.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - npm package `expr-eval` is vulnerable to Prototype Pollution. An attacker with access to express eval
    interface can use JavaScript prototype-based inheritance model to achieve arbitrary code execution. The
    npm expr-eval-fork package resolves this issue. (CVE-2025-13204)

ID	Name	Product	Family	Severity
281897	RHEL 8 : grafana-pcp (RHSA-2026:0140)	Nessus	Red Hat Local Security Checks	high
277907	Linux Distros Unpatched Vulnerability : CVE-2025-13204	Nessus	Misc.	high
436090	SCA: security update for expr-eval-fork (GHSA-8gw3-rxh4-v6jx)	Tenable Cloud Security	SCA Checks	high
436090	SCA: security update for expr-eval-fork (GHSA-8gw3-rxh4-v6jx)	Tenable Self-Hosted Container Security	SCA Checks	high

Detections

Analytics

CVE-2025-13204

high

Tenable Plugins

high

high

high

high