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PatchSiren cyber security CVE debrief

CVE-2026-11815 Broadcom CVE debrief

CVE-2026-11815 is a vulnerability that could lead to broken security expectations or remote code execution due to deserialization of untrusted data. An attacker who intercepts and tampers with traffic between the client application and the API Gateway server could potentially deserialize arbitrary objects.

Vendor
Broadcom
Product
Layer 7 API Gateway
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-10
Original CVE updated
2026-06-10
Advisory published
2026-06-10
Advisory updated
2026-06-10

Who should care

Security teams and developers who work with API Gateway servers and client applications should be aware of this vulnerability.

Technical summary

The vulnerability has a CVSS score of 5.3 and a severity of MEDIUM. It was published on 2026-06-10T07:16:24.713Z and last modified on 2026-06-10T20:13:47.847Z.

Defensive priority

MEDIUM

Recommended defensive actions

  • Review and update the API Gateway server and client application to prevent deserialization of untrusted data.
  • Implement proper validation and sanitization of user input.
  • Use secure communication protocols to prevent tampering with traffic.

Evidence notes

The vendor is currently listed as Unknown Vendor, but there is evidence suggesting the vendor may be Broadcom.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11815 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11815

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-11815 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11815

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

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

    [email protected]

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.