What is CVE-2026-33418?

CVE-2026-33418 is a high-severity vulnerability in Dicebear, classified under Incorrect Regular Expression. CVSS score: 7.5/10. Published 2026-03-24.

How severe is CVE-2026-33418?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Dicebear

CVE-2026-33418

DiceBear is an avatar library for designers and developers. Prior to version 9.4.2, the `ensureSize()` function in `@dicebear/converter` used a regex-based approach to rewrite SVG `width`/`height` attributes, capping them at 2048px to prev…

EPSS: 0.004 (29.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Dicebear — versions < 9.4.2

Weakness classification (CWE)

CWE-185 — Incorrect Regular Expression

References

security-advisories@github.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-33418?: CVE-2026-33418 is a high-severity vulnerability in Dicebear, classified under Incorrect Regular Expression. CVSS score: 7.5/10. Published 2026-03-24.
How severe is CVE-2026-33418?: High severity. CVSS v3 base score is 7.5 out of 10.