CVE-2026-82877: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in ILIAS-eLearning e.V. ILIAS
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.
CVSS v4.0
Score 7.1high
Affected software
ILIAS-eLearning e.V.
ILIAS
pkg:github/ILIASRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-82877 is an arbitrary file read vulnerability in ILIAS eLearning software affecting versions >=9.0 <9.22, >=10.0 <10.10, and >=11.0 <11.3. The vulnerability exists in the SOAP addFile method where an authenticated user can supply crafted XML with COPY-mode imports to construct absolute file paths through an unsandboxed import directory. This allows reading of arbitrary server files, including sensitive configuration files containing database credentials and setup passwords.
Potential Impact
An authenticated attacker can read arbitrary files on the server hosting ILIAS, potentially exposing sensitive data such as database credentials and setup passwords. This can lead to further compromise of the system or data leakage. The vulnerability has a CVSS 4.0 score of 7.1, indicating high severity.
Mitigation Recommendations
A fix is available in ILIAS versions 9.22, 10.10, and 11.3 and later. Users should upgrade to these or later versions to remediate the vulnerability. No vendor advisory content was provided to indicate alternative mitigations or temporary fixes.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-31T08:38:43.268Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a95607cacd9273b49fd6f2a
Added to database: 08/31/2026, 11:07:40 UTC
Last enriched: 10/01/2026, 15:45:49 UTC
Last updated: 10/14/2026, 18:48:24 UTC
Views: 89
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