Vulnerability Details CVE-2026-55798
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 2.4%
CVSS Severity
CVSS v3 Score 4.5
Products affected by CVE-2026-55798
-
cpe:2.3:a:python:pillow:-
-
cpe:2.3:a:python:pillow:1.0
-
cpe:2.3:a:python:pillow:1.1
-
cpe:2.3:a:python:pillow:1.2
-
cpe:2.3:a:python:pillow:1.3
-
cpe:2.3:a:python:pillow:1.4
-
cpe:2.3:a:python:pillow:1.5
-
cpe:2.3:a:python:pillow:1.6
-
cpe:2.3:a:python:pillow:1.7.0
-
cpe:2.3:a:python:pillow:1.7.1
-
cpe:2.3:a:python:pillow:1.7.2
-
cpe:2.3:a:python:pillow:1.7.3
-
cpe:2.3:a:python:pillow:1.7.4
-
cpe:2.3:a:python:pillow:1.7.5
-
cpe:2.3:a:python:pillow:1.7.6
-
cpe:2.3:a:python:pillow:1.7.7
-
cpe:2.3:a:python:pillow:1.7.8
-
cpe:2.3:a:python:pillow:10.0.0
-
cpe:2.3:a:python:pillow:10.0.1
-
cpe:2.3:a:python:pillow:10.1.0
-
cpe:2.3:a:python:pillow:10.2.0
-
cpe:2.3:a:python:pillow:10.3.0
-
cpe:2.3:a:python:pillow:10.4.0
-
cpe:2.3:a:python:pillow:11.0.0
-
cpe:2.3:a:python:pillow:11.1.0
-
cpe:2.3:a:python:pillow:11.2.1
-
cpe:2.3:a:python:pillow:11.3.0
-
cpe:2.3:a:python:pillow:12.0.0
-
cpe:2.3:a:python:pillow:2.0.0
-
cpe:2.3:a:python:pillow:2.1.0
-
cpe:2.3:a:python:pillow:2.2.0
-
cpe:2.3:a:python:pillow:2.2.1
-
cpe:2.3:a:python:pillow:2.2.2
-
cpe:2.3:a:python:pillow:2.3.0
-
cpe:2.3:a:python:pillow:2.3.1
-
cpe:2.3:a:python:pillow:2.4.0
-
cpe:2.3:a:python:pillow:2.5.0
-
cpe:2.3:a:python:pillow:2.5.1
-
cpe:2.3:a:python:pillow:2.5.2
-
cpe:2.3:a:python:pillow:2.5.3
-
cpe:2.3:a:python:pillow:2.6.0
-
cpe:2.3:a:python:pillow:2.6.1
-
cpe:2.3:a:python:pillow:2.6.2
-
cpe:2.3:a:python:pillow:2.7.0
-
cpe:2.3:a:python:pillow:2.8.0
-
cpe:2.3:a:python:pillow:2.8.1
-
cpe:2.3:a:python:pillow:2.8.2
-
cpe:2.3:a:python:pillow:2.9.0
-
cpe:2.3:a:python:pillow:3.0.0
-
cpe:2.3:a:python:pillow:3.1.0
-
cpe:2.3:a:python:pillow:3.3.1
-
cpe:2.3:a:python:pillow:3.3.2
-
cpe:2.3:a:python:pillow:3.4.0
-
cpe:2.3:a:python:pillow:4.0.0
-
cpe:2.3:a:python:pillow:4.1.0
-
cpe:2.3:a:python:pillow:4.1.1
-
cpe:2.3:a:python:pillow:4.2.0
-
cpe:2.3:a:python:pillow:4.2.1
-
cpe:2.3:a:python:pillow:4.3.0
-
cpe:2.3:a:python:pillow:5.0.0
-
cpe:2.3:a:python:pillow:5.1.0
-
cpe:2.3:a:python:pillow:5.2.0
-
cpe:2.3:a:python:pillow:5.3.0
-
cpe:2.3:a:python:pillow:5.4.0
-
cpe:2.3:a:python:pillow:5.4.1
-
cpe:2.3:a:python:pillow:6.0.0
-
cpe:2.3:a:python:pillow:6.2.0
-
cpe:2.3:a:python:pillow:6.2.2
-
cpe:2.3:a:python:pillow:6.2.3
-
cpe:2.3:a:python:pillow:7.0.0
-
cpe:2.3:a:python:pillow:7.1.0
-
cpe:2.3:a:python:pillow:7.1.1
-
cpe:2.3:a:python:pillow:7.1.2
-
cpe:2.3:a:python:pillow:7.2.0
-
cpe:2.3:a:python:pillow:8.0.0
-
cpe:2.3:a:python:pillow:8.0.1
-
cpe:2.3:a:python:pillow:8.1.0
-
cpe:2.3:a:python:pillow:8.1.1
-
cpe:2.3:a:python:pillow:8.1.2
-
cpe:2.3:a:python:pillow:8.2.0
-
cpe:2.3:a:python:pillow:8.3.0
-
cpe:2.3:a:python:pillow:8.3.1
-
cpe:2.3:a:python:pillow:8.3.2
-
cpe:2.3:a:python:pillow:8.4.0
-
cpe:2.3:a:python:pillow:9.0.0
-
cpe:2.3:a:python:pillow:9.0.1
-
cpe:2.3:a:python:pillow:9.1.0
-
cpe:2.3:a:python:pillow:9.1.1
-
cpe:2.3:a:python:pillow:9.2.0
-
cpe:2.3:a:python:pillow:9.3.0
-
cpe:2.3:a:python:pillow:9.4.0
-
cpe:2.3:a:python:pillow:9.5.0