CVE-2026-73062: Scriban versions 3.0.0 through 7.2.0 contain a denial of service vulnerability in the array multiplication operator…

CVE-2026-73062 · Severity: high · CVSS 7.5 · Published 2026-08-16

Scriban versions 3.0.0 through 7.2.0 contain a denial of service vulnerability in the array multiplication operator that allocates memory without enforcing LoopLimit or overflow-safe arithmetic checks. Attackers can supply a large integer multiplier in a template to force multi-gigabyte memory allocations, causing resource exhaustion and availability degradation.

Technologies: scriban (NuGet), Scriban.Signed (NuGet). Vendors: NuGet.

Quick answers

Is CVE-2026-73062 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-73062 being exploited in the wild.
How severe is CVE-2026-73062?
High severity, with a CVSS score of 7.5, published 16 August 2026.
Which products and versions are affected?
scriban (NuGet) ECOSYSTEM:introduced=3.0.0,fixed=7.2.1; Scriban.Signed (NuGet) ECOSYSTEM:introduced=3.0.0,fixed=7.2.1.
Is there a fix for CVE-2026-73062?
Yes. scriban (NuGet): upgrade to 7.2.1 or later; Scriban.Signed (NuGet): upgrade to 7.2.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-73062?
Check whether you run scriban (NuGet) or Scriban.Signed (NuGet) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • scriban (NuGet): upgrade to 7.2.1 or later
    dotnet add package scriban --version 7.2.1
  • Scriban.Signed (NuGet): upgrade to 7.2.1 or later
    dotnet add package Scriban.Signed --version 7.2.1

Affected products

  • scriban (NuGet) ECOSYSTEM:introduced=3.0.0,fixed=7.2.1
  • Scriban.Signed (NuGet) ECOSYSTEM:introduced=3.0.0,fixed=7.2.1

Identifiers

  • CVE-2026-73062
  • GHSA-q6rr-fm2g-g5x8

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