What is CVE-2026-57859?

CVE-2026-57859 is a high-severity vulnerability in E107inc E107, classified under Deserialization of Untrusted Data. CVSS score: 7.5/10. Published 2026-07-30.

How severe is CVE-2026-57859?

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

Deserialization in E107inc E107

CVE-2026-57859

e107 prior to version 2.3.8 contains a code execution vulnerability in the e_array deserialization handler that allows an attacker with out-of-band database write access to execute arbitrary PHP code by storing a crafted payload in the use…

Vulnerability class: Insecure Deserialization

CVSS v3 metric

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

Affected products

E107inc E107 — versions 0, 2.3.8

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-57859?: CVE-2026-57859 is a high-severity vulnerability in E107inc E107, classified under Deserialization of Untrusted Data. CVSS score: 7.5/10. Published 2026-07-30.
How severe is CVE-2026-57859?: High severity. CVSS v3 base score is 7.5 out of 10.