CVE-2026-71253
CRITICAL
9,8
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Description
AI Translation Available
Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Apache Johnzon.
ClassConverter loads & static-initializes an attacker-named class from untrusted JSON.
This issue affects Apache Johnzon: from 1.0.0 before 2.2.0.
Users are recommended to upgrade to version 1.3.1 (javax namespace) or 2.2.0 (jakarta specification namespace), which fixes the issue.
EPSS (Exploit Prediction Scoring System)
Trend Analysis
EPSS (Exploit Prediction Scoring System)
Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.
EPSS Score
0,0036
Percentile
0,3th
Updated
Single Data Point
Only one EPSS measurement is available for this CVE. Trend analysis requires multiple data points over time.
470
Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')
DraftCommon Consequences
Security Scopes Affected:
Integrity
Confidentiality
Availability
Other
Potential Impacts:
Execute Unauthorized Code Or Commands
Alter Execution Logic
Dos: Crash, Exit, Or Restart
Other
Read Application Data
Applicable Platforms
Languages:
Java, PHP, Interpreted
https://github.com/apache/johnzon/commit/91e7b0d21d08d138944e2570691939739422a3…
https://github.com/apache/johnzon/commit/dd3d00634c746a2173a2518e882e85e8a151bf…
https://lists.apache.org/thread.html/3vgm1yo2sn9yhkvvs9lc4ro01vl3zt68