CVE-2026-55798
2 advisories.
PyPI/pillow CVE-2026-55798: medium 4.5, EPSS 0.18%
Pillow: WindowsViewer.get_command() OS command injection via unescaped shell path
Action: Upgrade pillow to 12.3.0 or later.
pip install pillow==12.3.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 12.3.0 | - |
Fixed versions
| 12.3.0 |
Sources
- osv: GHSA-4x4j-2g7c-83w6
- https://github.com/python-pillow/Pillow/security/advisories/GHSA-4x4j-2g7c-83w6
- https://nvd.nist.gov/vuln/detail/CVE-2026-55798
- https://github.com/python-pillow/Pillow/commit/8404ea5fe5df40fc34aa1e51403dd6fce0778b8a
- https://github.com/python-pillow/Pillow/commit/88194166691b7b603529b8b036ab3ab9cedd2de4
- https://github.com/python-pillow/Pillow/commit/b0e06caa64c1405aa3da0bb1d2bd9a77ca22de7f
- https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2026-2257.yaml
- https://github.com/python-pillow/Pillow
- https://github.com/python-pillow/Pillow/blob/main/docs/releasenotes/12.3.0.rst
CVE-2026-55798 · published · modified · JSON
PyPI/pillow CVE-2026-55798: medium 4.5, EPSS 0.18%
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
Action: Upgrade pillow to 12.3.0 or later.
pip install pillow==12.3.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 12.3.0 | - |
Fixed versions
| 12.3.0 |
Sources
- osv: PYSEC-2026-2257
- https://github.com/python-pillow/Pillow/blob/main/docs/releasenotes/12.3.0.rst
- https://github.com/python-pillow/Pillow/commit/8404ea5fe5df40fc34aa1e51403dd6fce0778b8a
- https://github.com/python-pillow/Pillow/commit/88194166691b7b603529b8b036ab3ab9cedd2de4
- https://github.com/python-pillow/Pillow/commit/b0e06caa64c1405aa3da0bb1d2bd9a77ca22de7f
- https://github.com/python-pillow/Pillow/security/advisories/GHSA-4x4j-2g7c-83w6
CVE-2026-55798 · published · modified · JSON