CVE-2025-11346 MEDIUM

CVE-2025-11346: ILIAS Base64 Decoding unserialize deserialization

Vendor N/A
Product ILIAS
Weakness CWE-502 · Unsafe deserialization
Published October 6, 2025
Last update February 24, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X

What the vulnerability does

01Description

A vulnerability has been found in ILIAS up to 8.23/9.13/10.1. This affects the function unserialize of the component Base64 Decoding Handler. Such manipulation of the argument f_settings leads to deserialization. It is possible to launch the attack remotely. Upgrading to version 8.24, 9.14 and 10.2 is able to mitigate this issue. It is advisable to upgrade the affected component.

Key dates

02Disclosure timeline

October 6, 2025 CVE published
February 24, 2026 Record updated