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CVE-2026-10538 is a high-severity improper deserialization vulnerability affecting out-of-support BMC Control-M/Server and Control-M/Enterprise Manager versions 9.0.20.x and potentially earlier. The flaw is in messaging consumer functionality that deserializes user-controlled data without sufficiently restricting the set of allowed object types. Because crafted serialized content is accepted and processed on the server side, an authenticated attacker can remotely supply malicious serialized data and cause unintended server-side behavior during deserialization or subsequent object handling.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.