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CVE-2026-92877

Quick assessment

Affected
Eclipse Foundation jaxb-ri (core)
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.

JAXB 工厂方法长期以来仅依赖 特性来防止 XML 外部实体（XXE）解析。在那些仅靠该特性无法阻止外部实体解析的 JAXP 实现中，攻击者若能利用 JAXB 对不受信任的 XML 进行反序列化，便可通过带外（out-of-band）XXE 技术读取本地文件。

CVSS 8.3 · High

Affected Version Matrix 2

VendorProduct Version RangeStatus
Eclipse Foundation jaxb-ri (core) 4.0.4 affected
4.0.9 affected
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I. Basic Information for CVE-2026-92877

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The JAXB factory methods historically relied solely on `FEATURE_SECURE_PROCESSING` to prevent XML External Entity (XXE) resolution. On JAXP implementations where that feature alone does not block external entity resolution, an attacker who can get untrusted XML unmarshalled through JAXB can read local files via out-of-band XXE.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Eclipse Foundation jaxb-ri (core) 4.0.4 -

II. Public POCs for CVE-2026-92877

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III. Intelligence Information for CVE-2026-92877

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Patches & Fixes for CVE-2026-92877 (1)

Vendor Advisories for CVE-2026-92877 (1)

IV. Related Vulnerabilities

Same vendor: Eclipse Foundation
Same weakness: CWE-611

V. Comments for CVE-2026-92877

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