Today's specials

pwned.coffeeOrder ticket · today's special · 27 Oct 2026

🔥 On the fly · exploited in the wildScalding · 540°CcriticalHalf-poured · some lines fixed

Mitsubishi Electric: code exec, auth bypass

Chrome

Mitsubishi Electric products vulnerable to code execution, authentication bypass, and info disclosure.

Do this now

It is being exploited: install the update for your version: Chrome → 116.0.5845.187; electron → 26.2.1; magick.net-q16-anycpu → 13.3.0 (+17 more lines in Fix it).

Fix it

Chrome

  • Upgrade to Chrome 116.0.5845.187

libwebp

  • Upgrade to libwebp 1.3.2

GENESIS

  • Fix not named in the CVE record: see vendor advisory

GENESIS64

  • Fix not named in the CVE record: see vendor advisory

ICONICS Suite

  • Fix not named in the CVE record: see vendor advisory

Hyper Historian

  • Fix not named in the CVE record: see vendor advisory

AnalytiX

  • Fix not named in the CVE record: see vendor advisory

MobileHMI

  • Fix not named in the CVE record: see vendor advisory

IoTWorX

  • Fix not named in the CVE record: see vendor advisory

electron npm

  • On 22.x?npm install electron@22.3.24
  • On 24.x?npm install electron@24.8.3
  • On 25.x?npm install electron@25.8.1
  • On 26.x?npm install electron@26.2.1
  • On 27.xNo stable fix for 27.x yet (only 27.0.0-beta.2)

Pillow pip

  • pip install --upgrade "Pillow>=10.0.1"

github.com/chai2010/webp go

  • On 0.0.x?go get github.com/chai2010/webp@v0.0.0-20250406010349-76805d5a8860
  • On 1.1.x?go get github.com/chai2010/webp@v1.1.2-0.20250406010349-76805d5a8860
  • On 1.4.x?go get github.com/chai2010/webp@v1.4.0

libwebp-sys2 cargo

  • cargo update -p libwebp-sys2 --precise 0.1.8

libwebp-sys cargo

  • cargo update -p libwebp-sys --precise 0.9.3

webp cargo

  • cargo update -p webp --precise 0.2.6

SkiaSharp nuget

  • dotnet add package SkiaSharp --version 2.88.6

magick.net-q16-anycpu nuget

  • dotnet add package magick.net-q16-anycpu --version 13.3.0

magick.net-q16-hdri-anycpu nuget

  • dotnet add package magick.net-q16-hdri-anycpu --version 13.3.0

magick.net-q16-x64 nuget

  • dotnet add package magick.net-q16-x64 --version 13.3.0

magick.net-q8-anycpu nuget

  • dotnet add package magick.net-q8-anycpu --version 13.3.0

magick.net-q8-openmp-x64 nuget

  • dotnet add package magick.net-q8-openmp-x64 --version 13.3.0

magick.net-q8-x64 nuget

  • dotnet add package magick.net-q8-x64 --version 13.3.0

Fixed for Rust (libwebp-sys2), Rust (libwebp-sys), npm (electron), .NET (SkiaSharp), Python (Pillow), Rust (webp), .NET (magick.net-q16-anycpu), .NET (magick.net-q16-hdri-anycpu), .NET (magick.net-q16-x64), .NET (magick.net-q8-anycpu), .NET (magick.net-q8-openmp-x64), .NET (magick.net-q8-x64), Go (github.com/chai2010/webp), Chrome and libwebp; still cooking for GENESIS, GENESIS64, ICONICS Suite, Hyper Historian, AnalytiX, MobileHMI and IoTWorX.

Also affects (downstream advisories): bandisoft honeyview. Check those vendors' own fixes.

First seen
Last update
Fixed in
  • libwebp-sys2 0.1.8
  • libwebp-sys 0.9.3
  • electron 27.0.0-beta.2
  • electron 26.2.1
  • electron 25.8.1
  • electron 24.8.3
  • electron 22.3.24
  • SkiaSharp 2.88.6
  • Pillow 10.0.1
  • webp 0.2.6
  • magick.net-q16-anycpu 13.3.0
  • magick.net-q16-hdri-anycpu 13.3.0
  • magick.net-q16-x64 13.3.0
  • magick.net-q8-anycpu 13.3.0
  • magick.net-q8-openmp-x64 13.3.0
  • magick.net-q8-x64 13.3.0
  • github.com/chai2010/webp 1.4.0
  • github.com/chai2010/webp 1.1.2-0.20250406010349-76805d5a8860
  • github.com/chai2010/webp 0.0.0-20250406010349-76805d5a8860
  • Chrome 116.0.5845.187
  • libwebp 1.3.2
CVSS
9.4
Source
news

Timeline

  1. Fix status: unknown → partial fix.

  2. First reported.

Receipt

Exploitation
Exploited: listed in CISA KEV
  • CISA KEV “CVE-2023-4863 added to CISA KEV on 2023-09-13, federal deadline 2023-10-04.” source
Fix by release line
ProductAffectedFixed inSource
libwebp-sys2 (cargo)< 0.1.80.1.8GitHub advisory checked
libwebp-sys (cargo)< 0.9.30.9.3GitHub advisory checked
electron (npm)>= 27.0.0-beta.1, < 27.0.0-beta.227.0.0-beta.2GitHub advisory checked
electron (npm)>= 26.0.0, < 26.2.126.2.1GitHub advisory checked
electron (npm)>= 25.0.0, < 25.8.125.8.1GitHub advisory checked
electron (npm)>= 24.0.0, < 24.8.324.8.3GitHub advisory checked
electron (npm)>= 22.0.0, < 22.3.2422.3.24GitHub advisory checked
SkiaSharp (nuget)>= 2.0.0, < 2.88.62.88.6GitHub advisory checked
Pillow (pip)< 10.0.110.0.1GitHub advisory checked
webp (cargo)< 0.2.60.2.6GitHub advisory checked
magick.net-q16-anycpu (nuget)< 13.3.013.3.0GitHub advisory checked
magick.net-q16-hdri-anycpu (nuget)< 13.3.013.3.0GitHub advisory checked

The CVE record names no fix for 7 lines; the vendor’s advisory may: mitsubishielectric.com

Score
CVSS 9.4 (critical). CVSS 4.0 9.4 (CNA Mitsubishi) for CVE-2026-16438
Last checked

Sources: KEV ✓ CVE record ✓ Vendor ✓

Sources

Wrong fix version, or a source we missed? Send it back to chef@pwned.coffee with the source, and we'll correct it here.

Totalone very hot coffee