How severe is CVE-2026-11815?

CVE-2026-11815 has a CVSS 4.0 base score of 5.3, rated medium severity.

Is CVE-2026-11815 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-11815?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-11815 have an EU (EUVD) identifier?

Yes. CVE-2026-11815 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35992.

When was CVE-2026-11815 published?

CVE-2026-11815 was published on 2026-06-10 and last updated on 2026-06-17.

CVE-2026-11815

CVE-2026-11815 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.3. 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-502.

Key facts

Severity: Medium (CVSS 4.0 base score 5.3)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-35992
Weakness: CWE-502
Published: 2026-06-10
Last modified: 2026-06-17

Description

An attacker who intercepts and tampers with traffic between the client application and the API Gateway server could potentially deserialize arbitrary objects. This vulnerability could lead to broken security expectations or remote code execution.

Frequently asked questions

What is CVE-2026-11815?: An attacker who intercepts and tampers with traffic between the client application and the API Gateway server could potentially deserialize arbitrary objects. This vulnerability could lead to broken security expectations or remote code execution.
How severe is CVE-2026-11815?: CVE-2026-11815 has a CVSS 4.0 base score of 5.3, rated medium severity.
Is CVE-2026-11815 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-11815?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-11815 have an EU (EUVD) identifier?: Yes. CVE-2026-11815 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35992.
When was CVE-2026-11815 published?: CVE-2026-11815 was published on 2026-06-10 and last updated on 2026-06-17.

References

https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/37631

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