CVE-2026-43893
HighSummary
The vulnerability in exiftool-vendored before version 35.19.0 allows argument injection into ExifTool by not rejecting newline characters in supplied strings. This can lead to a single intended argument being split into multiple arguments, creating a risk of argument manipulation.
Risk Assessment
Organizations may be exposed to attacks that allow reading files or writing data to unauthorized file system locations by ExifTool. Although remote code execution has not been demonstrated, the risk of data manipulation is significant.
Recommendation
It is recommended to upgrade to version 35.19.0 or later to mitigate this vulnerability. Additionally, review and restrict input data passed to the ExifTool API.
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Original NVD description (English source)
exiftool-vendored provides cross-platform Node.js access to ExifTool. Prior to 35.19.0, exiftool-vendored starts ExifTool in -stay_open True -@ - mode, where arguments are read from stdin one per line. In affected versions, several caller-supplied strings were interpolated into ExifTool arguments without rejecting line delimiters. A newline or carriage return inside one of those strings could split a single intended argument into multiple ExifTool arguments, allowing argument injection. The fix also rejects NUL bytes as unsafe control characters. Applications that pass attacker-controlled strings to affected APIs may allow an attacker to make ExifTool read files accessible to the ExifTool process, or write output to attacker-chosen file system paths accessible to that process. No remote code execution has been demonstrated. This vulnerability is fixed in 35.19.0.