# CVE-2026-86222 — SourceCodester Class and Exam Timetabling System

> As of 2026-09-06, CVE-2026-86222 is a HIGH-severity vulnerability in SourceCodester Class and Exam Timetabling System, CVSS v3.1 7.3, EPSS 0.2% (18.7th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-86222 as of 2026-09-06; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-09-06

## What is CVE-2026-86222?

A vulnerability has been found in SourceCodester Class and Exam Timetabling System 1.0. This affects the function mysqli_query of the file /admin/modal_add_course2.php. Such manipulation of the argument course leads to sql injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

The record classifies CVE-2026-86222 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 no prior authentication, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 29 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 7.3 — HIGH (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R`)
- **CVSS v4.0 base score:** 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **EPSS (FIRST):** 0.2% probability of exploitation in the next 30 days, higher than 18.7% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 4.4/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-06

## Is CVE-2026-86222 being exploited?

It currently carries a trending score of 34 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [SourceCodester](https://intel.threadlinqs.com/vendors/sourcecodester): Class and Exam Timetabling System

## How to fix CVE-2026-86222

No vendor patch reference has been recorded for CVE-2026-86222 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-2026-86222

No threat campaign in the Threadlinqs corpus currently references CVE-2026-86222, 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, FIRST EPSS. Last verified by Threadlinqs on 2026-09-07.

**Exploit and proof of concept**

- [github.com — exploit](https://github.com/justconter/_CVE/issues/3)

**Technical analysis**

- [vuldb.com — vdb entry](https://vuldb.com/vuln/399375)

**Third-party advisory**

- [vuldb.com — signature](https://vuldb.com/vuln/399375/cti)
- [vuldb.com — third party advisory](https://vuldb.com/cve/CVE-2026-86222)
- [vuldb.com — third party advisory (897748)](https://vuldb.com/submit/897748)

**Issue tracking and product pages**

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

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-86222
Full detection coverage and IOCs for threats exploiting CVE-2026-86222 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp