CVE-2025-12735
Description
A vulnerability was discovered in the expr-eval npm package, a JavaScript library used to parse and evaluate mathematical expressions. The issue allows an attacker to define arbitrary functions within the context object used by the parser's evaluate() method. By providing maliciously crafted input, an attacker can exploit this flaw to inject and execute arbitrary system-level commands on the host system. This could lead to the execution of malicious code.
Statement
Although expr-eval is listed as a bundled dependency in grafana-pcp in RHEL 8, the library is not present in the compiled JavaScript bundle and the vulnerable code does not execute.
Common Vulnerability Scoring System (CVSS) Score Details
Info alert:Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 Score Breakdown
| Red Hat | NVD | cve.org | |
|---|---|---|---|
| Base Score | 9.8 | N/A | N/A |
| Attack Vector | Network | N/A | N/A |
| Attack Complexity | Low | N/A | N/A |
| Privileges Required | None | N/A | N/A |
| User Interaction | None | N/A | N/A |
| Scope | Unchanged | N/A | N/A |
| Confidentiality | High | N/A | N/A |
| Integrity Impact | High | N/A | N/A |
| Availability Impact | High | N/A | N/A |
Vector
Red Hat: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Understanding the Weakness (CWE)
Confidentiality
Technical Impact: Read Application Data
Integrity
Technical Impact: Execute Unauthorized Code or Commands
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