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CVE-2026-74783 is a denial-of-service vulnerability in Scriban, a .NET templating engine, affecting versions 6.6.0 through 7.2.0. The flaw is caused by a non-enforcing ExpressionDepthLimit guard in the recursive-descent parser. Although a depth limit mechanism exists, it does not actually prevent excessive parser recursion when processing deeply nested expressions. An attacker can submit crafted templates containing deeply nested parentheses, array initializers, object initializers, or chains of unary operators, causing the parser to recurse until the .NET runtime raises a StackOverflowException. Because this exception is uncatchable in normal application handling, exploitation immediately terminates the hosting process.
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A denial of service vulnerability in Scriban where the ExpressionDepthLimit recursion guard does not properly enforce limits, allowing deeply nested templates to crash the host process.
A denial-of-service vulnerability in Scriban caused by ineffective expression depth limiting, allowing deeply nested crafted templates to trigger an uncatchable StackOverflowException and crash the host process.
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Every observed campaign linking this CVE to a named adversary.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.