CVE-2026-40836 — HIGH (7.1)

Vulnerability Description

An low privileged remote attacker can exploit an unauthenticated SQL Injection vulnerability in the inmessage model due to improper neutralization of special elements in a SQL DELETE command allowing for reading the whole database and deleting entries in a non critical table. This can result in a total loss of confidentiality and some loss of integrity.

CVSS Score

7.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-89

References

https://www.certvde.com/en/advisories/VDE-2026-044/

FAQ

What is CVE-2026-40836?

CVE-2026-40836 is a vulnerability with a CVSS score of 7.1 (HIGH). An low privileged remote attacker can exploit an unauthenticated SQL Injection vulnerability in the inmessage model due to improper neutralization of special elements in a SQL DELETE command allowing ...

How severe is CVE-2026-40836?

CVE-2026-40836 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-40836?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.