What is CVE-2026-0677?

CVE-2026-0677 is a medium-severity vulnerability in Totalsuite Totalcontest Lite, classified under Deserialization of Untrusted Data. CVSS score: 6.3/10. Published 2026-03-20.

How severe is CVE-2026-0677?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Deserialization in Totalsuite Totalcontest Lite

CVE-2026-0677

Deserialization of Untrusted Data vulnerability in TotalSuite TotalContest Lite totalcontest-lite allows Object Injection.This issue affects TotalContest Lite: from n/a through <= 2.9.1.

Vulnerability class: Insecure Deserialization

EPSS: 0.002 (14.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Totalsuite Totalcontest Lite — versions 0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-0677?: CVE-2026-0677 is a medium-severity vulnerability in Totalsuite Totalcontest Lite, classified under Deserialization of Untrusted Data. CVSS score: 6.3/10. Published 2026-03-20.
How severe is CVE-2026-0677?: Medium severity. CVSS v3 base score is 6.3 out of 10.