Unrated

SQL Injection in LMS tarifflist.php tg[] parameter

IdentifiersCVE-2026-40455CWE-89

CVE-2026-40455 is an authenticated SQL injection vulnerability in LMS (LAN Management System) affecting versions before commit 4cb30a7. The flaw is located in the tarifflist.php module, where the application insufficiently sanitizes the POST tg[] parameter and directly concatenates user-controlled array values into an SQL query via implode(). This unsafe query construction enables error-based SQL injection against the backend database and allows an authenticated attacker to manipulate SQL execution and extract sensitive database information.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows an authenticated attacker to perform error-based SQL injection and retrieve sensitive information from the LMS database. Depending on database permissions and application behavior, this can expose application data and other confidential records accessible to the vulnerable query context.

Mitigation

If you can’t patch tonight, do this now.

If immediate patching is not possible, limit access to the affected LMS instance and module to only trusted authenticated users, reduce exposure of tarifflist.php where operationally feasible, and monitor for anomalous requests involving the tg[] POST parameter. As a defensive code-level measure, validate tg[] as a strictly typed allowlisted input set and eliminate direct SQL string concatenation in favor of prepared statements.

Remediation

Patch, then assume compromise.

Update LMS to a version that includes commit 4cb30a7 or later, which addresses the vulnerable behavior in tarifflist.php. The underlying fix should ensure that the tg[] POST parameter is properly validated and sanitized and that user-controlled values are not concatenated directly into SQL statements. Use parameterized queries or prepared statements and enforce strict type checking for array elements before they are incorporated into database operations.

PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType

LmsLmsapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

4 SOURCESView more in app

cvefeed high severityNews

Jun 18, 2026

CVE-2026-40455 - SQL Injection in LMS

An SQL injection vulnerability in LMS (LAN Management System) before commit 4cb30a7 in the tarifflist.php module that allows authenticated attackers to extract sensitive database information via the POST tg[] parameter.

cert polskaNews

Jun 1, 2026

Vulnerabilities in LMS software | CERT Polska

An authenticated SQL injection vulnerability in LMS (LAN Management System) affecting versions before commit 4cb30a7, caused by insufficient sanitization of the POST tg[] parameter in tarifflist.php.

What this page doesn’t show

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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity2

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES

MITRE CVE

cve.org · CVE-2026-40455

NVD

nvd.nist.gov/vuln/detail/CVE-2026-40455

MITRE CWE · CWE-89

cwe.mitre.org