# CVE-2026-2058: mathurvishal CloudClassroom-PHP-Project Post Query Details postquerypublic.php sql injection

> Remote attackers can exploit SQL injection in the postquerypublic.php file to read or modify database contents.

- **Severity:** Medium 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`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 6 Feb 2026
- **Updated:** 23 Feb 2026
- **Also known as:** GHSA-p9g6-vwf9-qggv

## What is CVE-2026-2058?

CVE-2026-2058 is a medium-severity SQL injection vulnerability in mathurvishal CloudClassroom-PHP-Project, published on 6 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A flaw has been found in mathurvishal CloudClassroom-PHP-Project up to 5dadec098bfbbf3300d60c3494db3fb95b66e7be. This impacts an unknown function of the file /postquerypublic.php of the component Post Query Details Page. This manipulation of the argument gnamex causes sql injection. The attack is possible to be carried out remotely. The exploit has been published and may be used. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command), CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component)

## Which versions are affected by CVE-2026-2058?

It affects 1 product.


Products: Vishalmathur Cloudclassroom-Php-Project.

## How do I fix CVE-2026-2058?

No fix has been published for CVE-2026-2058 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-2058 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2058 exists.

Public exploit code:

- https://github.com/carlosalbertotuma/CVE-2026-2058-PoC (github_poc): https://github.com/carlosalbertotuma/CVE-2026-2058-PoC

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-2058 and fix it if it is affected.

What it is: CVE-2026-2058 is a medium-severity SQL injection vulnerability in mathurvishal CloudClassroom-PHP-Project, published on 6 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2058 exists.

Affected product: mathurvishal CloudClassroom-PHP-Project. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-2058/ (Markdown: https://insights.sbomify.com/CVE-2026-2058/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-2058
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-2058
- OSV: https://osv.dev/vulnerability/CVE-2026-2058

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-2058/
Summaries are generated and may contain mistakes; the official description above is the record.