CVE-2026-55798
Pillow: WindowsViewer.get_command() OS command injection via unescaped shell path
MEDIUM 4.5
En bref
- Source
- NVD
- EPSS
- EPSS 0.18 % · centile 7 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- GitHub_M
- Statut NVD
- Analyzed
Description
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.
Faiblesses (CWE)
- CWE-78 — Injection de commande système
Références
- https://github.com/python-pillow/Pillow/security/advisories/GHSA-4x4j-2g7c-83w6
- 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/blob/main/docs/releasenotes/12.3.0.rst
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 4.5 | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L | GitHub_M |
| CVSS 3.1 | MEDIUM 4.5 | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L | NVD · security-advisories@github.com (Secondary) |
Avis
- GHSA-4x4j-2g7c-83w6 — Pillow: WindowsViewer.get_command() OS command injection via unescaped shell path
- PYSEC-2026-2257 — 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
Références européennes
- ENISA EUVD · EUVD-2026-41898
- GCVE · GCVE-0-2026-55798
Avis du CERT-FR
- CERTFR-2026-AVI-1366 — Multiples vulnérabilités dans les produits Splunk · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1094 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:*< 12.3.0
Produits affectés
| Produit | Versions |
|---|---|
| python-pillow · Pillow | affected < 12.3.0 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |