How to Fix CVE-2026-40349: Missing authorization in movary
By Sai Kiran Pandrala. Last verified: 2026-05-25.
| Severity | 8.8 (High) |
|---|---|
| Actively exploited? | No public listing in CISA KEV |
| Affected | leepeuker movary < 0.71.1 |
| Fixed in | movary 0.71.1 |
| Type (CWE) | CWE-862: CWE-862: Missing Authorization |
What is CVE-2026-40349?
Movary is a self hosted web app to track and rate a user's watched movies. Prior to version 0.71.1, an ordinary authenticated user can escalate their own account to administrator by sending isAdmin=true to PUT /settings/users/{userId} for their own user ID. The endpoint is intended to let a user edit their own profile, but it updates the sensitive isAdmin field without any admin-only authorization check. Version 0.71.1 patches the issue.
Am I affected?
Run the version check that matches your platform:
# Linux
dpkg -s movary 2>/dev/null | grep -i version
rpm -q movary 2>/dev/null
movary --version 2>/dev/null
Compare what you see against the Affected row above (leepeuker movary < 0.71.1). If your build sits inside that range, you are exposed and should patch.
How to fix CVE-2026-40349
The primary fix is to upgrade movary to the patched build. Use the commands for your platform below; the patched version listed in the vendor advisory is: movary 0.71.1.
Ubuntu / Debian
sudo apt-get update
sudo apt-get install --only-upgrade movary
movary --version 2>/dev/null || dpkg -s movary | grep -i version
RHEL / CentOS / Rocky / AlmaLinux
sudo dnf upgrade --security movary -y
rpm -q movary
SUSE / openSUSE
sudo zypper patch --category security
rpm -q movary
Complete PowerShell remediation script (Windows)
# Fix script for CVE-2026-40349 affecting movary
# Run as administrator. Detect -> backup -> upgrade -> verify -> log.
$ErrorActionPreference = "Stop"
$LogPath = "C:\Logs\CVE-2026-40349-fix-$(Get-Date -Format yyyyMMdd-HHmmss).log"
New-Item -ItemType Directory -Force (Split-Path $LogPath) | Out-Null
Start-Transcript -Path $LogPath -Append
try {
Write-Host "[1/4] Detecting installed version of movary"
$pkg = winget list --id "movary" 2>$null
Write-Host $pkg
Write-Host "[2/4] Backing up configuration"
$backup = "C:\Backup\movary-$(Get-Date -Format yyyyMMdd)"
New-Item -ItemType Directory -Force $backup | Out-Null
Get-ChildItem "C:\ProgramData\movary" -ErrorAction SilentlyContinue |
Copy-Item -Destination $backup -Recurse -Force -ErrorAction SilentlyContinue
Write-Host "[3/4] Applying upgrade to movary 0.71.1"
winget upgrade --id "movary" --silent --accept-source-agreements --accept-package-agreements
# Fallback: Windows Update for OS-level fixes
if ($LASTEXITCODE -ne 0) {
Install-Module -Name PSWindowsUpdate -Force -SkipPublisherCheck -ErrorAction SilentlyContinue
Import-Module PSWindowsUpdate
Install-WindowsUpdate -MicrosoftUpdate -AcceptAll -IgnoreReboot
}
Write-Host "[4/4] Verifying patched build"
winget list --id "movary"
Write-Host "Fix applied. Reboot if prompted."
exit 0
} catch {
Write-Error "Patch failed: $_"
exit 1
} finally {
Stop-Transcript
}
Complete Bash remediation script (Linux)
#!/usr/bin/env bash
# Fix script for CVE-2026-40349 affecting movary
# Detect -> backup -> upgrade -> verify -> log.
set -euo pipefail
LOG="/var/log/cve-2026-40349-fix-$(date +%Y%m%d-%H%M%S).log"
exec > >(tee -a "$LOG") 2>&1
echo "[1/4] Detecting installed version"
if command -v dpkg >/dev/null; then
dpkg -s movary 2>/dev/null | grep -i version || echo "movary not installed via dpkg"
elif command -v rpm >/dev/null; then
rpm -q movary || echo "movary not installed via rpm"
fi
echo "[2/4] Backing up configuration"
BACKUP="/root/backup-cve-2026-40349-$(date +%Y%m%d)"
mkdir -p "$BACKUP"
for d in /etc/movary /etc/movary.d /etc/movary.conf; do
[ -e "$d" ] && cp -a "$d" "$BACKUP/" || true
done
echo "[3/4] Applying upgrade (target: movary 0.71.1)"
if command -v apt-get >/dev/null; then
apt-get update
apt-get install --only-upgrade -y movary
elif command -v dnf >/dev/null; then
dnf upgrade --security -y movary
elif command -v yum >/dev/null; then
yum update -y movary
elif command -v zypper >/dev/null; then
zypper --non-interactive patch --category security
fi
echo "[4/4] Verifying patched build"
if command -v dpkg >/dev/null; then
dpkg -s movary 2>/dev/null | grep -i version
elif command -v rpm >/dev/null; then
rpm -q movary
fi
echo "Done. Restart any running daemons that loaded the old library."
If you can't patch immediately
If you cannot apply the patched version today, restrict exposure with one of the following runnable controls. None replace the patch.
Network restriction (Linux, nftables)
# Block inbound traffic to the affected service from untrusted networks
sudo nft add table inet filter
sudo nft 'add chain inet filter input { type filter hook input priority 0 ; }'
sudo nft 'add rule inet filter input tcp dport {443, 80} ip saddr != 10.0.0.0/8 drop'
sudo nft list ruleset
Service-level fallback
# If the affected feature is optional, stop the service until the patch is applied
sudo systemctl stop movary
sudo systemctl disable movary
How to verify the fix worked
# Linux
movary --version 2>/dev/null || dpkg -s movary | grep -i version
rpm -q movary 2>/dev/null || true
# Windows
winget list | findstr /I "movary"
Get-HotFix | Sort-Object InstalledOn -Descending | Select-Object -First 5
Expected: the reported version is at or above movary 0.71.1. Restart any services that loaded the old library (systemctl restart <service> on Linux, restart the Windows service or reboot when prompted). For network appliances, run show version on the device and confirm the build matches the patched release.
Frequently asked questions
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Is CVE-2026-40349 actually being exploited?
According to the data sources above, no public confirmation of in-the-wild exploitation at this time. Either way, the fix is the same: apply the vendor patch.
Do I need to reboot after patching?
For OS or kernel updates, yes. For most userland packages a systemctl restart <service> is enough. Any process that loaded the old shared library keeps using it until restarted, so when in doubt, reboot.
What is the CVSS score?
8.8 (high). Refer to the vendor advisory for the exact vector string.
Where is the official advisory?
See the References section at the bottom of this page; the vendor's URL is the authoritative source for affected builds and patched versions.
References
- Official vendor advisory: https://github.com/leepeuker/movary/security/advisories/GHSA-mcfq-8rx7-w25v
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-40349
- https://github.com/leepeuker/movary/pull/750
- https://github.com/leepeuker/movary/commit/12c8a090051b1a1c07a3aa48922f3bc9ffe44c8b
- https://github.com/leepeuker/movary/releases/tag/0.71.1
*Written by Sai Kiran Pandrala. Assembled from the official vendor advisory, NVD record, and CISA KEV listing on 2026-05-25. Always confirm against the vendor's advisory before applying changes in production.*