What is CVE-2026-2036?

CVE-2026-2036 is a high-severity vulnerability in Gfi Archiver, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2026-02-20.

How severe is CVE-2026-2036?

High severity. CVSS v3 base score is 8.8 out of 10.

Deserialization in Gfi Archiver

CVE-2026-2036

GFI Archiver MArc.Store Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GFI Archiver. Although authentication is requi…

Vulnerability class: Insecure Deserialization

EPSS: 0.005 (68.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Gfi Archiver — versions 15.10

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

ZDI-26-076 (x_research-advisory)

Frequently asked questions

What is CVE-2026-2036?: CVE-2026-2036 is a high-severity vulnerability in Gfi Archiver, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2026-02-20.
How severe is CVE-2026-2036?: High severity. CVSS v3 base score is 8.8 out of 10.