Pillow: WindowsViewer.get_command() OS command injection via unescaped shell path
Pillow is a Python imaging library. Prior to 12.3.0, WindowsViewer.get_command() constructed a cmd.exe shell command by directly embedding a file path into an f-string without escaping and passed the result to subprocess.Popen(..., shell=True), allowing shell metacharacters in the file path to inject arbitrary cmd.exe commands. This issue is fixed in version 12.3.0.
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beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-55798US | — | — | ||
Pillow is a Python imaging library. Prior to 12.3.0, WindowsViewer.get_command() constructed a cmd.exe shell command by directly embedding a file path into an f-string without esca… | ||||
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Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/python-pillow/Pillow/blob/main/docs/releasenotes/12.3.0.rstARTICLE
- https://github.com/python-pillow/Pillow/commit/8404ea5fe5df40fc34aa1e51403dd6fce0778b8aFIX
- https://github.com/python-pillow/Pillow/commit/88194166691b7b603529b8b036ab3ab9cedd2de4FIX
- https://github.com/python-pillow/Pillow/commit/b0e06caa64c1405aa3da0bb1d2bd9a77ca22de7fFIX
- https://github.com/python-pillow/Pillow/security/advisories/GHSA-4x4j-2g7c-83w6ADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2026-55798WEB
scry
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