CVE-2026-27174Known exploitationPublic exploitNetwork attack vector

Unauthenticated RCE via exposed admin console eval

Published Feb 18, 2026 · Updated Feb 18, 2026

Code injection in SJLab MajorDoMo allows remote attackers to execute arbitrary PHP through the unauthenticated admin console. modules/panel.class.php includes inc_panel_ajax.php before authorization completes, and its console handler sends the command GET value to eval(). No credentials or user interaction are required; successful requests run PHP in the web application context and can read, write, or execute server-side content.

CVSS severity9.3
Critical
EPSS probability7.00%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Code injection in SJLab MajorDoMo allows remote attackers to execute arbitrary PHP through the unauthenticated admin console. modules/panel.class.php includes inc_panel_ajax.php before authorization completes, and its console handler sends the command GET value to eval(). No credentials or user interaction are required; successful requests run PHP in the web application context and can read, write, or execute server-side content.

The record

CVE
CVE-2026-27174
Published
Feb 18, 2026
Updated
Feb 18, 2026
Vendor
MajorDoMo
Product
MajorDoMo
Classifications
CWE-94, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 18, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 18, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=*

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

MajorDoMo · MajorDoMoversion=0 <=*

Published CVSS scores

9.8VulnCheckCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationReported
Public exploitPublished

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Reported exploitation

Technologies

Your stack

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Your stack

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