Is CVE-2026-40455 in the CISA KEV catalog?

No. CVE-2026-40455 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-40455?

CVE-2026-40455 has a CVSS v4 base score of 8.6 (HIGH).

What is the EPSS score for CVE-2026-40455?

CVE-2026-40455 has an EPSS score of 0.22% (12th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2026-40455?

No published fix for CVE-2026-40455 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2026-40455

HIGH

8.6

CVSS v4

NVD

Description

An SQL Injection vulnerability exists in LMS (LAN Management System) before commit 4cb30a7 within the "tarifflist.php" module due to insufficient sanitization of the POST "tg[]" parameter. The application directly concatenates user-supplied array values into an SQL query using "implode()", allowing authenticated attackers to perform Error-Based SQL injection and extract sensitive database information.

CWE-89SQL Injection

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v4 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

Impact

CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploit Intelligence

0.22%probability of exploitation in 30 days

12thpercentile

Low risk: more likely to be exploited than 12% of all known CVEs.

References

Other references3

Related Vulnerabilities

Other CWE-89 (SQL Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-3704	High	7.5	100%	-	Fix
CVE-2015-7297	High	7.5	100%	-	-
CVE-2024-29824	High	8.8	100%	KEV	Fix
CVE-2023-34362	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2019-7481	High	7.5	100%	KEV + Ransom	Fix
CVE-2024-29826	High	8.8	100%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-22.