What is CVE-2026-12047?

CVE-2026-12047 is a low-severity vulnerability in Pgadmin.org Pgadmin 4, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-06-19.

How severe is CVE-2026-12047?

Low severity. CVSS v3 base score is 3.5 out of 10.

XSS in Pgadmin.org Pgadmin 4

CVE-2026-12047

HTML injection in pgAdmin 4's cloud deployment module. The verify_credentials, deploy, regions, and update-server endpoints under /rds/, /azure/, /google/, and the top-level /cloud/ blueprint propagated AWS / Azure / Google SDK exception t…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.

Affected products

Pgadmin.org Pgadmin 4 — versions 6.6

Weakness classification (CWE)

CWE-79 — Cross-site Scripting
CWE-116 — Improper Encoding or Escaping of Output

References

f86ef6dc-4d3a-42ad-8f28-e6d5547a5007 (issue-tracking)
f86ef6dc-4d3a-42ad-8f28-e6d5547a5007 (patch)

Frequently asked questions

What is CVE-2026-12047?: CVE-2026-12047 is a low-severity vulnerability in Pgadmin.org Pgadmin 4, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-06-19.
How severe is CVE-2026-12047?: Low severity. CVSS v3 base score is 3.5 out of 10.