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CVE-2026-16801 is a code injection vulnerability in the variables feature of Devolutions PowerShell Universal 2026.2.2 and earlier. The flaw arises because user-supplied variable values are not properly escaped when they are written to the variables configuration file. An authenticated user who has permission to write variables can supply a crafted value that is interpreted as PowerShell code, resulting in arbitrary code execution by the application. The injected code executes in the context of the PowerShell Universal service account.
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What an attacker gets, and what they’ve been doing with it.
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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.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A related vulnerability mentioned alongside CVE-2026-16802 in the same advisory, but not described in detail in this content.
A high-severity code injection vulnerability in Devolutions PowerShell Universal's variables feature that allows authenticated users with variable write permission to inject arbitrary PowerShell code executed by the service account.
A code injection vulnerability in the variables feature of Devolutions PowerShell Universal 2026.2.2 and earlier that allows an authenticated user with variable write permission to execute arbitrary PowerShell code.
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.