HOMEVULNERABILITIESCVE-2026-40834
HIGH

CVE-2026-40834

CWE-89Published: May 27, 2026· Updated: May 27, 2026

7.1
CVSS v3.1
EPSS:0.03%probability of exploitation in 30 daysPercentile:10.7th

Official Description

An low privileged remote attacker can exploit an unauthenticated SQL Injection vulnerability in the dash_layout.php files saveDashboardLayout function due to improper neutralization of special elements in a SQL INSERT command allowing for reading the whole database and inserting entries into a non critical table. This can result in a total loss of confidentiality and some loss of integrity.

NVD Source

Technical Analysis

CVE-2026-40834 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.1.

From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Affected Vendors & Products

Mentioned vendors (from description):
PHP
CPE data not yet available in NVD for this CVE.

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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All References (1)

Quick Facts

CVE IDCVE-2026-40834
CVSS Score7.1 / 10
SeverityHIGH
WeaknessCWE-89
CISA KEVNo
EPSS (30d)0.03%
PublishedMay 27, 2026

Related CVEs (CWE-89)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-40834 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.