# CVE-2026-82028: Magistrala < 1.0.0 SQL Injection via format Parameter in Reader API

> Authenticated attackers can inject SQL via the format parameter to read data, write files, and execute code as superuser.

- **Severity:** High 8.7 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 14 Sep 2026
- **Updated:** 26 Sep 2026
- **Also known as:** GHSA-9m8c-pc28-w7mx

## What is CVE-2026-82028?

CVE-2026-82028 is a high-severity SQL injection vulnerability in absmach magistrala, published on 14 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Magistrala before 1.0.0 contains a SQL injection vulnerability in the timescale-reader and postgres-reader HTTP API services that allows authenticated attackers to inject arbitrary SQL by supplying a malicious format query parameter that is interpolated directly into the FROM clause without parameterization or identifier quoting. Attackers with a self-registered account can substitute arbitrary subqueries to achieve cross-tenant database reads, extract pg_shadow password hashes, read and write arbitrary files, and execute arbitrary code as the postgres OS user by loading attacker-supplied shared objects, with all injected SQL executing at superuser privilege due to the default PostgreSQL role configuration.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2026-82028?


## How do I fix CVE-2026-82028?

No fix has been published for CVE-2026-82028 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-82028 being exploited?

There is no known exploitation of CVE-2026-82028 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-82028 and fix it if it is affected.

What it is: CVE-2026-82028 is a high-severity SQL injection vulnerability in absmach magistrala, published on 14 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-82028 in the wild and no public exploit code.

Affected product: absmach magistrala. 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-2026-82028/ (Markdown: https://insights.sbomify.com/CVE-2026-82028/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-82028
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-82028
- OSV: https://osv.dev/vulnerability/CVE-2026-82028

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-82028/
Summaries are generated and may contain mistakes; the official description above is the record.