Out-of-bounds Write Affecting open-webui package, versions <0.8.3-r1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-OPENWEBUI-15993126
  • published12 Apr 2026
  • disclosed11 Feb 2026

Introduced: 11 Feb 2026

CVE-2026-25990  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Chainguard open-webui to version 0.8.3-r1 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 Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

Pillow is a Python imaging library. From 10.3.0 to before 12.1.1, n out-of-bounds write may be triggered when loading a specially crafted PSD image. This vulnerability is fixed in 12.1.1.

CVSS Base Scores

version 3.1