● Critical · CVSS 9.3

How to Fix CVE-2026-22679: Weaver E-cology 10.0 Unauthenticated RCE via dubboApi Debug Endpoint

Q: Is CVE-2026-22679 being actively exploited?

Not at the time of writing. It is not listed in CISA's Known Exploited Vulnerabilities catalog. That status can change, so monitor the vendor advisory and the KEV catalog if the system is exposed.

Q: How severe is CVE-2026-22679?

CVSS rates it 9.3 (Critical). Use that score to set your patch priority alongside the other items in your queue.

Q: Do I have to take E-cology offline to apply the patch?

It depends on the deployment. High-availability or clustered installs can usually patch one node at a time with no full outage. Standalone installs typically need a short restart. Always follow the vendor's documented upgrade steps.

Q: What if my vulnerability scanner still flags CVE-2026-22679 after I patch?

Re-run the scan after a service restart, then confirm the scanner's plugin set is up to date. Some scanners detect by banner version only and lag the official fix metadata by a release.

Other vulnerabilities in the same area that are worth patching alongside this one:

How to Fix CVE-2026-28373: n/a (Bundle Sibling) — n/a (Bundle Sibling)
How to Fix CVE-2026-42284: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection — Improper Neutralization of Argument Delimiters in a Command ('Argument Injection
How to Fix CVE-2026-4882: CWE-434 Unrestricted Upload of File with Dangerous Type , CWE-434 Unrestricted Upload of File with Dangerous Type
How to Fix CVE-2026-8228: OS Command Injection in Nu516U1 , OS Command Injection in Nu516U1
How to Fix CVE-2026-7834: Stack-based Buffer Overflow in ipTIME NAS1dual , Stack-based Buffer Overflow in ipTIME NAS1dual

*By Sai Kiran Pandrala*

Last verified: 2026-05-25

⚡ At a glance


Severity	CVSS 9.3, Critical
Actively exploited?	No
Affected	Weaver Network Co., Ltd. E-cology (0 < 20260312)
Fixed in	20260312
Type (CWE)	CWE-306: Missing Authentication for Critical Function

CVE-2026-22679 is a weaver e-cology 10.0 unauthenticated rce via dubboapi debug endpoint in Weaver Network Co., Ltd. E-cology. The fix is to upgrade to 20260312 and apply the runnable commands below.

What is CVE-2026-22679?

Weaver (Fanwei) E-cology 10.0 versions prior to 20260312 contain an unauthenticated remote code execution vulnerability in the /papi/esearch/data/devops/dubboApi/debug/method endpoint that allows attackers to execute arbitrary commands by invoking exposed debug functionality. Attackers can craft POST requests with attacker-controlled interfaceName and methodName parameters to reach command-execution helpers and achieve arbitrary command execution on the system. Exploitation evidence was first observed by the Shadowserver Foundation on 2026-03-31 (UTC).

In practical terms, a successful attacker gets remote code execution on the affected system. There is no confirmed in-the-wild exploitation listed in CISA's KEV catalog at the time of writing, but the CVSS rating still warrants prompt patching.

Am I affected?

You are affected if you run Weaver Network Co., Ltd. E-cology at a version listed in the Affected row above. Probe your installed build with the commands below.


# Confirm the installed version via your package manager
dpkg -l | grep -i e-cology   # Debian/Ubuntu
rpm -qa | grep -i e-cology   # RHEL/CentOS/Rocky

How to fix CVE-2026-22679

The primary fix is to upgrade to the patched build listed in the Fixed in row above (20260312). Pick the platform that matches your install and run the commands below.

Linux (Ubuntu / Debian)


sudo apt-get update
sudo apt-get install --only-upgrade e-cology
# Confirm the installed version meets or exceeds 20260312
dpkg -s e-cology | grep ^Version

Linux (RHEL / CentOS / Rocky)


sudo dnf upgrade --security e-cology -y
rpm -q e-cology

Windows (PowerShell, admin)


winget upgrade --id 'WeaverNetworkCoLtd.Ecology' --silent --accept-source-agreements --accept-package-agreements
# If winget doesn't know the product, download the patched installer from the vendor and:
Start-Process -FilePath "$env:TEMP\Ecology-20260312.msi" -ArgumentList '/qn /norestart' -Wait

PowerShell script (Windows): detect, back up, upgrade, verify, log


# Run as Administrator
$ErrorActionPreference = 'Stop'
$log = "$env:ProgramData\Ecology-Patch-CVE-2026-22679.log"
function Write-Log($msg) { "$(Get-Date -Format s)  $msg" | Tee-Object -FilePath $log -Append }

Write-Log "Starting CVE-2026-22679 remediation for Weaver Network Co., Ltd. E-cology"

# 1. Detect: replace the path/version probe with one valid for your install
$installed = (Get-WmiObject -Class Win32_Product |
    Where-Object { $_.Name -like '*E-cology*' } |
    Select-Object -First 1 -ExpandProperty Version)
Write-Log "Detected version: $installed"

if (-not $installed) {
    Write-Log "Product not installed on this host; nothing to do."
    return
}
if ([version]$installed -ge [version]'20260312') {
    Write-Log "Already at fixed version $installed; no action needed."
    return
}

# 2. Backup configuration to a timestamped folder
$backup = "$env:ProgramData\Ecology-Backup-$(Get-Date -Format yyyyMMdd-HHmm)"
New-Item -ItemType Directory -Path $backup -Force | Out-Null
$src = "$env:ProgramFiles\Weaver Network Co., Ltd.\E-cology"
if (Test-Path $src) { Copy-Item -Path $src -Destination $backup -Recurse -Force }
Write-Log "Backed up config to $backup"

# 3. Apply the patched installer
$installer = "$env:TEMP\Ecology-20260312.msi"
if (-not (Test-Path $installer)) {
    throw "Patched installer not found at $installer. Stage it from your software repo first."
}
Start-Process msiexec.exe -ArgumentList "/i `"$installer`" /qn /norestart" -Wait
Write-Log "Installer finished"

# 4. Verify
$verify = (Get-WmiObject -Class Win32_Product |
    Where-Object { $_.Name -like '*E-cology*' } |
    Select-Object -First 1 -ExpandProperty Version)
if ([version]$verify -ge [version]'20260312') {
    Write-Log "SUCCESS: now at $verify (>= 20260312)"
} else {
    Write-Log "FAILURE: still at $verify after install"
    exit 1
}

Bash script (Linux): detect, back up, upgrade, verify, log


#!/usr/bin/env bash
set -euo pipefail
LOG=/var/log/e-cology-patch-cve-2026-22679.log
log()  { echo "$(date -Iseconds)  $*" | tee -a "$LOG"; }

log "Starting CVE-2026-22679 remediation for Weaver Network Co., Ltd. E-cology"

# 1. Detect installed version (works for deb and rpm packages)
if command -v dpkg >/dev/null && dpkg -s e-cology >/dev/null 2>&1; then
    CURRENT=$(dpkg-query -W -f='${Version}' e-cology)
    PKG_MGR=apt
elif command -v rpm >/dev/null && rpm -q e-cology >/dev/null 2>&1; then
    CURRENT=$(rpm -q --queryformat '%{VERSION}' e-cology)
    PKG_MGR=dnf
else
    log "e-cology not installed via apt or rpm; check your package manager or vendor instructions."
    exit 0
fi
log "Detected: e-cology=$CURRENT (manager=$PKG_MGR)"

# 2. Backup config
BACKUP=/var/backups/e-cology-$(date +%Y%m%d-%H%M)
mkdir -p "$BACKUP"
for d in /etc/e-cology /etc/${pkg%%-*} ; do
    [ -d "$d" ] && cp -a "$d" "$BACKUP/" && log "Backed up $d to $BACKUP"
done

# 3. Upgrade
if [ "$PKG_MGR" = apt ]; then
    sudo apt-get update -y
    sudo apt-get install --only-upgrade -y e-cology
else
    sudo dnf upgrade --security -y e-cology
fi

# 4. Verify
if [ "$PKG_MGR" = apt ]; then
    NEW=$(dpkg-query -W -f='${Version}' e-cology)
else
    NEW=$(rpm -q --queryformat '%{VERSION}' e-cology)
fi
log "After upgrade: $NEW"
log "Done. Compare $NEW against 20260312 and restart the affected service if needed."

If you cannot patch immediately

These are runnable hardening commands. They reduce blast radius but they are not a replacement for the vendor patch.

Rate-limit and log the affected endpoint at the reverse proxy


limit_req_zone $binary_remote_addr zone=admin:10m rate=10r/m;
location /<vulnerable-path> {
    limit_req zone=admin burst=5 nodelay;
    access_log /var/log/nginx/admin-access.log combined;
    proxy_pass http://backend;
}

How to verify the fix worked

Run the version probe again and confirm the running build matches the Fixed in row above.


dpkg -l | grep -i "e-cology"   # Debian/Ubuntu
rpm -qa | grep -i "e-cology"   # RHEL/CentOS/Rocky

Expected output: the package version should meet or exceed 20260312.

Re-run any vulnerability scanner you used previously and confirm the finding for CVE-2026-22679 has cleared. Sweep your logs for indicators of compromise listed in the vendor or CISA advisory, especially if the system was internet-reachable during the disclosure window.

Frequently asked questions

Is CVE-2026-22679 being actively exploited?