How severe is CVE-2026-57736?

CVE-2026-57736 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-57736 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-57736?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-57736 published?

CVE-2026-57736 was published on 2026-07-01.

CVE-2026-57736

CVE-2026-57736 is a high-severity vulnerability with a CVSS 3.x base score of 7.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-201.

Key facts

Severity: High (CVSS 3.x base score 7.4)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-201
Published: 2026-07-01
Last modified: 2026-07-01

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-57736?: CVE-2026-57736 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-57736 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-57736?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-57736 published?: CVE-2026-57736 was published on 2026-07-01.

References

https://patchstack.com/database/wordpress/plugin/leadin/vulnerability/wordpress-hubspot-plugin-11-3-51-sensitive-data-exposure-vulnerability?_s_id=cve

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