What is CVE-2026-57736?

CVE-2026-57736 is a high-severity vulnerability in Hubspot, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 7.4/10. Published 2026-07-01.

How severe is CVE-2026-57736?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in Hubspot

CVE-2026-57736

Insertion of Sensitive Information Into Sent Data vulnerability in HubSpot allows Retrieve Embedded Sensitive Data. This issue affects HubSpot: from n/a through 11.3.51.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L.

Affected products

Hubspot — versions n/a

Weakness classification (CWE)

CWE-201 — Insertion of Sensitive Information into Sent Data

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-57736?: CVE-2026-57736 is a high-severity vulnerability in Hubspot, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 7.4/10. Published 2026-07-01.
How severe is CVE-2026-57736?: High severity. CVSS v3 base score is 7.4 out of 10.