Integer Overflow or Wraparound Affecting open-webui package, versions <0.11.0-r0


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

Social Trends
EPSS
0.15% (5th percentile)

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  • Snyk IDSNYK-WOLFILATEST-OPENWEBUI-18371091
  • published29 Jul 2026
  • disclosed9 May 2026

Introduced: 9 May 2026

CVE-2026-42311  (opens in a new tab)
CWE-190  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Wolfi open-webui to version 0.11.0-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream open-webui package and not the open-webui package as distributed by Wolfi. See How to fix? for Wolfi relevant fixed versions and status.

Pillow is a Python imaging library. From version 10.3.0 to before version 12.2.0, processing a malicious PSD file could lead to memory corruption, potentially resulting in a crash or arbitrary code execution. This issue has been patched in version 12.2.0.

CVSS Base Scores

version 3.1