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CVE-2026-74795 is a denial-of-service vulnerability in Scriban before version 6.6.0. The flaw is caused by uncontrolled recursion in Scriban's recursive-descent parser: the ParserOptions.ExpressionDepthLimit setting defaults to null, leaving expression nesting effectively unbounded in affected versions. An attacker who can control template input can submit a deeply nested template, such as one containing excessive nested parentheses or blocks, causing recursive parser calls to exhaust thread stack space and trigger a StackOverflowException. In .NET, StackOverflowException is not recoverable by normal exception handling, so successful exploitation immediately terminates the hosting process. The issue is remotely exploitable without authentication in deployments that parse untrusted or user-supplied templates.
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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.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A denial of service vulnerability in Scriban's parser caused by uncontrolled recursion due to a disabled or null ExpressionDepthLimit, leading to unrecoverable process termination via StackOverflowException.
An uncontrolled recursion denial-of-service vulnerability in Scriban's recursive-descent parser that allows remote unauthenticated attackers to crash the hosting .NET process via deeply nested template input.
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.