CVE-2025-11346

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.

CVSS 4.0

5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

CVSS 3.1

9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.4% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-25)

CWEs

CWE-20, CWE-502

Published

2025-10-06

Modified

2026-10-19

Record from

the NVD, synced 2026-10-19

Affected

• ilias:ilias

References

• https://vuldb.com/?ctiid.327231
• https://vuldb.com/?id.327231
• https://vuldb.com/?submit.664892
• https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-2113
• https://srlabs.de/blog/breaking-ilias-part-2-three-to-rce

Check your stackJSON