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CVE-2026-82877— ILIAS Arbitrary File Read via SOAP addFile

Quick assessment

Affected
ILIAS-eLearning e.V. ILIAS
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.

ILIAS是德国ILIAS组织开源的一套开源的学习管理系统。 ILIAS 9.22之前版本、10.0至10.9版本和11.0至11.2版本存在路径遍历漏洞，该漏洞源于SOAP addFile方法存在任意文件读取漏洞，允许经过身份验证的攻击者通过提交带有COPY模式导入的特制XML，利用不受沙箱保护的导入目录构造绝对文件路径，从而读取包含数据库凭据和安装密码的配置文件。

CVSS 6.5 · Medium EPSS 0.55% · P45

Affected Version Matrix 3

VendorProduct Version RangeStatus
ILIAS-eLearning e.V. ILIAS 9.0< 9.22 affected
10.0< 10.10 affected
11.0< 11.3 affected
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I. Basic Information for CVE-2026-82877

Vulnerability Information
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Vulnerability Title
ILIAS Arbitrary File Read via SOAP addFile
Source: CVE Program / CVE List V5
Vulnerability Description
ILIAS before versions 9.22, 10.10, and 11.3 contains an arbitrary file read vulnerability in the SOAP addFile method that allows authenticated users to read server files by supplying crafted XML with COPY-mode imports. Attackers can construct absolute file paths through an unsandboxed import directory and retrieve sensitive files including configuration files containing database credentials and setup passwords.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
ILIAS 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ILIAS是德国ILIAS组织开源的一套开源的学习管理系统。 ILIAS 9.22之前版本、10.0至10.9版本和11.0至11.2版本存在路径遍历漏洞，该漏洞源于SOAP addFile方法存在任意文件读取漏洞，允许经过身份验证的攻击者通过提交带有COPY模式导入的特制XML，利用不受沙箱保护的导入目录构造绝对文件路径，从而读取包含数据库凭据和安装密码的配置文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ILIAS-eLearning e.V. ILIAS 9.0 ~ 9.22 -

II. Public POCs for CVE-2026-82877

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III. Intelligence Information for CVE-2026-82877

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Patches & Fixes for CVE-2026-82877 (1)

Vendor Advisories for CVE-2026-82877 (2)

Security Blog Posts for CVE-2026-82877 (2)

Vendor Pages for CVE-2026-82877 (3)

Other References for CVE-2026-82877 (3)

IV. Related Vulnerabilities

Same product: ILIAS
Same vendor: ILIAS-eLearning e.V.
Same weakness: CWE-22

V. Comments for CVE-2026-82877

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