What is CVE-2026-7818?

CVE-2026-7818 is a high-severity vulnerability in Pgadmin Pgadmin_4, classified under Deserialization of Untrusted Data. CVSS score: 7.0/10. Published 2026-05-11.

How severe is CVE-2026-7818?

High severity. CVSS v3 base score is 7.0 out of 10.

Deserialization in Pgadmin Pgadmin_4

CVE-2026-7818

Deserialization of untrusted data (CWE-502) in pgAdmin 4 FileBackedSessionManager. The session manager performed unsafe deserialization of session-file contents (using Python's standard object-serialization module) before performing any H…

Vulnerability class: Insecure Deserialization

EPSS: 0.003 (52.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Pgadmin Pgadmin_4
Pgadmin.org Pgadmin 4 — versions 0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

f86ef6dc-4d3a-42ad-8f28-e6d5547a5007 (issue-tracking, Patch, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2026-7818?: CVE-2026-7818 is a high-severity vulnerability in Pgadmin Pgadmin_4, classified under Deserialization of Untrusted Data. CVSS score: 7.0/10. Published 2026-05-11.
How severe is CVE-2026-7818?: High severity. CVSS v3 base score is 7.0 out of 10.