# CVE-2026-82421 — itsourcecode Sales and Inventory System

> As of 2026-08-29, CVE-2026-82421 is a MEDIUM-severity vulnerability in itsourcecode Sales and Inventory System, CVSS v3.1 6.3. No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-82421 as of 2026-08-29; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-08-29

## What is CVE-2026-82421?

A vulnerability was identified in itsourcecode Sales and Inventory System 1.0. This issue affects some unknown processing of the file /pages/emp_edit.php. The manipulation of the argument ID leads to sql injection. The attack may be initiated remotely. The exploit is publicly available and might be used.

The record classifies CVE-2026-82421 under weakness classes [CWE-89](https://intel.threadlinqs.com/cwe/CWE-89), [CWE-74](https://intel.threadlinqs.com/cwe/CWE-74). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 37 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 6.3 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R`)
- **CVSS v4.0 base score:** 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 5.2/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-08-29

## Is CVE-2026-82421 being exploited?

Weaponised exploit code for CVE-2026-82421 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 38 in the Threadlinqs vulnerability feed.

- [trickest/cve](https://github.com/trickest/cve/blob/main/2026/CVE-2026-82421.md) (trickest)

## Affected products and versions

- [itsourcecode](https://intel.threadlinqs.com/vendors/itsourcecode): Sales and Inventory System

## How to fix CVE-2026-82421

No vendor patch reference has been recorded for CVE-2026-82421 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-82421

No threat campaign in the Threadlinqs corpus currently references CVE-2026-82421, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, GitHub Security Advisories, public proof-of-concept repositories. Last verified by Threadlinqs on 2026-08-30.

**Exploit and proof of concept**

- [github.com — exploit](https://github.com/ltranquility/cve_submit/issues/23)

**Technical analysis**

- [vuldb.com — vdb entry](https://vuldb.com/vuln/396984)

**Third-party advisory**

- [vuldb.com — signature](https://vuldb.com/vuln/396984/cti)
- [vuldb.com — third party advisory](https://vuldb.com/cve/CVE-2026-82421)
- [vuldb.com — third party advisory (887761)](https://vuldb.com/submit/887761)

**Issue tracking and product pages**

- [itsourcecode.com — product](https://itsourcecode.com/)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-82421
Full detection coverage and IOCs for threats exploiting CVE-2026-82421 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp