CVE-2026-10538 Improper deserialization handling in Control-M Components

High 8.9 Published Updated

An authenticated attacker can trigger unintended server-side behavior via crafted serialized data in out-of-support Control-M components.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-10538?

CVE-2026-10538 is a high-severity unsafe deserialization vulnerability in BMC Control-M/Enterprise Manager, published on 1 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Messaging consumer functionality allows deserialization of user-controlled data without sufficient restriction of allowed object types in the out of support Control-M/Server and Control-M/Enterprise Manager versions 9.0.20.x and potentially earlier. This issue may allow an authenticated attacker to trigger unintended server-side behavior through crafted serialized content.

Weakness: CWE-502

Which versions are affected by CVE-2026-10538?

How do I fix CVE-2026-10538?

No fix has been published for CVE-2026-10538 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-2026-10538 being exploited?

There is no known exploitation of CVE-2026-10538 in the wild and no public exploit code.

Sources

Also known as GHSA-w883-5vxm-2pq9.

Is CVE-2026-10538 in your software?

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