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CVE-2026-123770— Apache Axis2/Java: Unbounded multipart and form-encoded request bodies

Quick assessment

Affected
Apache Software Foundation Apache Axis2/Java
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Axis2/Java 中存在“资源分配无限制或缺乏节流”的漏洞。其 multipart/form-data 和 application/x-www-form-urlencoded 消息构建器直接从传输流读取请求体，且未设置任何大小限制，导致 Servlet 容器对 POST 请求体的大小限制无法生效，同时 multipart 临时文件未被删除。未经认证的攻击者可借此耗尽服务器内存或磁盘空间。该问题影响 Apache Axis2/Java 2.0.1 及以下版本。建议用户升级至 2.0.2 版本，该版本

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2026-123770

Vulnerability Information
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Vulnerability Title
Apache Axis2/Java: Unbounded multipart and form-encoded request bodies
Source: CVE Program / CVE List V5
Vulnerability Description
Allocation of Resources Without Limits or Throttling vulnerability in Apache Axis2/Java. The multipart/form-data and application/x-www-form-urlencoded message builders read the request body directly from the transport stream with no size limit, so the servlet container's post-size limit did not apply, and multipart temporary files were not deleted. An unauthenticated caller could exhaust memory or disk. Version 2.0.2 bounds these bodies with configurable limits and deletes temporary files. This issue affects Apache Axis2/Java: through 2.0.1. Users are recommended to upgrade to version 2.0.2, which fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Axis2/Java 0 ~ 2.0.2 -

II. Public POCs for CVE-2026-123770

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III. Intelligence Information for CVE-2026-123770

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Other References for CVE-2026-123770 (5)

Same Patch Batch · Apache Software Foundation · 2026-11-09 · 28 CVEs total

CVE-2026-86829 Apache Airflow: Deserialization of task-controlled XCom values in the Scheduler during dep
CVE-2026-111455 Apache Airflow: Connections API: async connection test authorizes create at enqueue but ov
CVE-2026-111454 Apache Airflow: API: asset endpoints return scheduled/producing/consuming Dag IDs the call
CVE-2026-111453 Apache Airflow: API: asset queuedEvents DELETE checks Dag edit on a ?dag_id query value bu
CVE-2026-111452 Apache Airflow: Secrets masker: camelCase key names (privateKey, connectionString, webhook
CVE-2026-111421 Apache Airflow: Execution API: set_xcom skips the reserved-key check, so task-written XCom
CVE-2026-111395 Apache Airflow: Reserved serialization keys in Dag run conf crash the scheduler or are reb
CVE-2026-107474 Apache Airflow: Connections API: apprise connection "config" extra returned in cleartext
CVE-2026-113504 Apache Airflow: Secrets masker: pattern-based masking bounded at depth 5 returns deeply-ne
CVE-2026-101031 Apache Airflow: Shell command injection in the example_dag_decorator example Dag via an IP
CVE-2026-113508 Apache Airflow: Logout token revocation fails open; errors silently swallowed
CVE-2026-96285 Apache Airflow: Scheduler: next_kwargs deserialized before the dict check, so resume data
CVE-2026-86468 Apache Airflow: CLI argv masking misses Variable values and --conn-extra, persisting secre
CVE-2026-82337 Apache Airflow: DeadlineAlert fields bypass plugin-registration gate for scheduler-side de
CVE-2026-120367 Apache Axis2/Java: unbounded JSON request body buffering
CVE-2026-76185 Apache Airflow Task SDK: Task SDK SecretCache: non-injective team cache key enables cross-
CVE-2026-68982 Apache Airflow: CeleryExecutor: forged callback workloads run on Celery workers without wo
CVE-2026-50204 Apache Airflow: Audit-log secrets masker redacts by key name only, persisting connection a
CVE-2026-40913 Apache Airflow: Import Errors API Leaks Unauthorized DAG Stack Traces via Incomplete Per-F
CVE-2026-82440 Apache Storm Nimbus: Submitter-Controlled Class Instantiation in Nimbus via a Fail-Open Sc

Showing top 20 of 28 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Apache Axis2/Java
Same vendor: Apache Software Foundation
Same weakness: CWE-770