# CVE-2026-109316: Grav Data Manager 1.4.0 through 1.4.5 Unauthenticated File Deletion via Admin

> Unauthenticated attackers can delete stored data files in Grav Data Manager plugin due to missing authorization checks.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 12 Oct 2026
- **Updated:** 18 Oct 2026
- **Also known as:** GHSA-43jm-rfw2-wchv, GHSA-mh96-26mx-hf3g

## What is CVE-2026-109316?

CVE-2026-109316 is a medium-severity missing authorization vulnerability in getgrav grav-plugin-data-manager, published on 12 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Grav Data Manager plugin 1.4.0 through 1.4.5 contains a missing authorization vulnerability that allows unauthenticated attackers to delete stored data files via the classic Admin integration. Attackers can send a request with the delete parameter and known data type and filename to remove files under user/data/, including form submissions, or forge requests lacking CSRF nonce checks.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2026-109316?


## How do I fix CVE-2026-109316?

No fix has been published for CVE-2026-109316 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-109316 being exploited?

There is no known exploitation of CVE-2026-109316 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-109316 and fix it if it is affected.

What it is: CVE-2026-109316 is a medium-severity missing authorization vulnerability in getgrav grav-plugin-data-manager, published on 12 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-109316 in the wild and no public exploit code.

Affected product: getgrav grav-plugin-data-manager. 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-2026-109316/ (Markdown: https://insights.sbomify.com/CVE-2026-109316/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-109316
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-109316
- OSV: https://osv.dev/vulnerability/CVE-2026-109316

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-109316/
Summaries are generated and may contain mistakes; the official description above is the record.