CVE-2026-9147 (GCVE-0-2026-9147)

Vulnerability from cvelistv5 – Published: 2026-07-18 12:46 – Updated: 2026-07-18 12:46
VLAI
Title
uproot 5.7.4 and prior Code Injection via TStreamerInfo Metadata
Summary
uproot dynamically generates Python class source code from ROOT TStreamerInfo records in a file and compiles it at runtime. Some file-controlled streamer metadata fields (for example, streamer element names) are interpolated into the generated Python source without safe quoting via repr() or the !r format specifier. An attacker who can supply a crafted ROOT file can place Python expression-breaking content into a streamer metadata field. When uproot generates and invokes the corresponding reader method, the injected Python expression is evaluated in the context of the process opening the file, resulting in arbitrary Python code execution in applications that open or process attacker-controlled ROOT files with affected uproot code paths.
Severity
8.5 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
Impacted products
Vendor Product Version
scikit-hep uproot Affected: 0 , ≤ 5.7.4 (git)
Create a notification for this product.
Date Public
2026-07-17 00:00
Credits
Sai Teja Erukude
Show details on NVD website
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      "source": {
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  }
}



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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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