What is CVE-2026-47309?

CVE-2026-47309 is a medium-severity vulnerability in Samsung Escargot, classified under Uncontrolled Recursion. CVSS score: 5.5/10. Published 2026-05-19.

How severe is CVE-2026-47309?

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

Vulnerability in Samsung Escargot

CVE-2026-47309

Uncontrolled Recursion vulnerability in Samsung Open Source Escargot allows Oversized Serialized Data Payloads. This issue affects Escargot: 590345cc6258317c5da850d846ce6baaf2afc2d3.

EPSS: 0.000 (1.2th percentile) — read the EPSS interpretation.

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 Escargot — versions 2026-05-14
Samsung Open Source Escargot — versions 590345cc6258317c5da850d846ce6baaf2afc2d3

Weakness classification (CWE)

CWE-674 — Uncontrolled Recursion

References

PSIRT@samsung.com (Patch, Issue Tracking)

Frequently asked questions

What is CVE-2026-47309?: CVE-2026-47309 is a medium-severity vulnerability in Samsung Escargot, classified under Uncontrolled Recursion. CVSS score: 5.5/10. Published 2026-05-19.
How severe is CVE-2026-47309?: Medium severity. CVSS v3 base score is 5.5 out of 10.