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CVE-2026-74756— Apache James: WebAdmin exposed without authentication on official Docker default

Quick assessment

Affected
Apache Software Foundation Apache James
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.

该项目随附的某些 docker-compose 配置默认公开暴露了 Webadmin REST API，且未配置适当的身份验证机制。从 3.9.1 版本开始，系统会在未受保护的 Webadmin 端点上默认设置随机凭证，以在保留使用便利性的同时防止此类安全漏洞。

AI Predicted 9.8 Difficulty: Trivial
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I. Basic Information for CVE-2026-74756

Vulnerability Information
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Vulnerability Title
Apache James: WebAdmin exposed without authentication on official Docker default
Source: CVE Program / CVE List V5
Vulnerability Description
Some docker-compose shipped by the project exposes by default Webadmin REST API publically without proper authentication setup. Version 3.9.1 onward sets a random credential by default on unprotected webadmin endpoints to prevent this while retain convenience.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不安全的默认资源初始化
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache James 0 ~ 3.9.1 -

II. Public POCs for CVE-2026-74756

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III. Intelligence Information for CVE-2026-74756

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Other References for CVE-2026-74756 (1)

Same Patch Batch · Apache Software Foundation · 2026-11-06 · 7 CVEs total

CVE-2026-85111 8.7 HIGH Apache James: Denial of service upon MIME parsing
CVE-2025-66621 Apache James: SASL OAUTHBEARER do not validate aud in JWT payload if misconfigred
CVE-2026-49939 Apache James: Negative IMAP ACL administer authorization bypass through JMAP protocol
CVE-2026-76171 Apache James: SSRF filter bypass in the JMAP PushSubscription web-push client
CVE-2026-76168 Apache James: ManageSieve file implementation cross-user path traversal
CVE-2026-85108 Apache James MIME4J: Denial of service due to Allocation of Resources Without Limits or Th

IV. Related Vulnerabilities

Same product: Apache James
Same vendor: Apache Software Foundation
Same weakness: CWE-1188