CVE-2026-11815 Insecure Deserialization via MITM in Layer 7 Policy Manager
An attacker can achieve remote code execution by intercepting traffic and sending malicious serialized objects to the Layer 7 API Gateway.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-11815?
CVE-2026-11815 is a medium-severity unsafe deserialization vulnerability in Broadcom Layer 7 API Gateway, published on 10 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-502
Which versions are affected by CVE-2026-11815?
How do I fix CVE-2026-11815?
No fix has been published for CVE-2026-11815 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-11815 being exploited?
There is no known exploitation of CVE-2026-11815 in the wild and no public exploit code.
Sources
Also known as GHSA-w776-2rqx-9pjh.