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CVE-2026-73061 is a critical improper access control vulnerability in Scriban affecting versions before 7.2.2. The flaw resides in TypedObjectAccessor, which fails to enforce CLR setter visibility when template code writes object properties. As a result, untrusted or attacker-controlled templates can assign values to properties that are intended to be non-writable from that context, including properties with private, internal, or init-only setters. The issue also enables mass assignment against properties with public setters. Successful exploitation can permanently modify live host objects after template rendering, violating application trust boundaries and undermining encapsulation and object integrity.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical improper access control vulnerability in Scriban's TypedObjectAccessor that allows template code to bypass .NET visibility modifiers and write private, internal, or init-only CLR object properties, enabling mass assignment, state corruption, and potential privilege escalation.
An access-modifier bypass vulnerability in Scriban's TypedObjectAccessor that allows arbitrary property writes to CLR object properties without setter-visibility checks, affecting versions before 7.2.2.
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.