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.
Metrics
CVSS 3.1 9.8/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | com.bstek.uflo:uflo-core | < * |
References
- https://fmyyy1.github.io/2022/10/23/uflo2rce/Exploit, Third Party Advisory
- https://github.com/youseries/uflo/blob/b3e198bc6523e5a6ba69edd84ba10e05a3b78726/uflo-core/src/main/java/com/bstek/uflo/expr/impl/ExpressionContextImpl.java%23L126Broken Link
- https://security.snyk.io/vuln/SNYK-JAVA-COMBSTEKUFLO-3091112Third Party Advisory
- https://fmyyy1.github.io/2022/10/23/uflo2rce/Exploit, Third Party Advisory
- https://github.com/youseries/uflo/blob/b3e198bc6523e5a6ba69edd84ba10e05a3b78726/uflo-core/src/main/java/com/bstek/uflo/expr/impl/ExpressionContextImpl.java%23L126Broken Link
- https://security.snyk.io/vuln/SNYK-JAVA-COMBSTEKUFLO-3091112Third Party Advisory
Timeline
- Published
- Jan 26, 2023
- Last modified
- Jun 17, 2026
- NVD status
- Modified