What is CVE-2026-18772?

CVE-2026-18772 is a medium-severity vulnerability in Samsung Open Source Rlottie, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2026-08-04.

How severe is CVE-2026-18772?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Improper input validation in Samsung Open Source Rlottie

CVE-2026-18772

Improper input validation vulnerability in Samsung Open Source rlottie allows Oversized Serialized Data Payloads.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Samsung Open Source Rlottie — versions f487eff2f8086b84ae1c7faa0418abec909e874b

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

PSIRT@samsung.com

Frequently asked questions

What is CVE-2026-18772?: CVE-2026-18772 is a medium-severity vulnerability in Samsung Open Source Rlottie, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2026-08-04.
How severe is CVE-2026-18772?: Medium severity. CVSS v3 base score is 5.5 out of 10.