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CVE-2026-82877

ILIAS Arbitrary File Read via SOAP addFile

MEDIUM
6.5
CVSS Score
Published: August 31, 2026 at 10:51 AM UTC
Updated: September 30, 2026 at 05:16 PM UTC
2 products affected across 2 vendorsILIASILIAS

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

ILIAS versions before 9.22, 10.0 through 10.9, and 11.0 through 11.2 contain 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

ILIAS· Ilias
95%
10.0 ≤ v < 10.1011.0 ≤ v < 11.39.0 ≤ v < 9.22
Affected range stops below 10.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 11.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.22, so it looks safe — our inference, not a vendor statement
ILIAS· Ilias Elearning E V
60%
10.0 ≤ v < 10.1011.0 ≤ v < 11.39.0 ≤ v < 9.2210.011.09.0
Affected range stops below 10.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 11.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.22, so it looks safe — our inference, not a vendor statement

References (13)

Source: cverecord
https://github.com/ILIAS-eLearning/ILIAS/commit/e9acd3f8d498279f6c26a145ca32ce85152496a4
Source: cverecord
https://github.com/ILIAS-eLearning/ILIAS/blob/v11.2/components/ILIAS/File/classes/class.ilFileXMLParser.php#L244
Source: cverecord
https://github.com/ILIAS-eLearning/ILIAS/blob/v11.2/components/ILIAS/soap/classes/class.ilSoapFileAdministration.php#L56
Source: cverecord
https://github.com/ILIAS-eLearning/ILIAS
Source: cverecord
https://www.vulncheck.com/advisories/ilias-before-9.22-arbitrary-file-read-via-soap-addfile
Release Notes
Source: cverecord
https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui&cmdNode=wy:ll:6t&cmdClass=ilBlogPostingGUI&cmd=previewFullscreen&ref_id=15821&blpg=936
ProductPatch
Source: cverecord
https://docu.ilias.de/ilias.php?baseClass=illmpresentationgui&obj_id=225632&ref_id=35
Release Notes
Source: cverecord
https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui&cmdNode=wy:ll:6t&cmdClass=ilBlogPostingGUI&cmd=previewFullscreen&ref_id=15821&blpg=935

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-22

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