# CVE-2026-27091: WordPress UiPress lite plugin <= 3.5.09 - Broken Access Control vulnerability

> Attackers can bypass access controls in the UiPress lite WordPress plugin to perform unauthorized actions.

- **Severity:** Medium 6.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L`)
- **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:** 19 Mar 2026
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-vcxx-p94p-37wg

## What is CVE-2026-27091?

CVE-2026-27091 is a medium-severity missing authorization vulnerability in UiPress lite, published on 19 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Missing Authorization vulnerability in UiPress UiPress lite uipress-lite allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects UiPress lite: from n/a through <= 3.5.09.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2026-27091?


## How do I fix CVE-2026-27091?

No fix has been published for CVE-2026-27091 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-27091 being exploited?

There is no known exploitation of CVE-2026-27091 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-27091 and fix it if it is affected.

What it is: CVE-2026-27091 is a medium-severity missing authorization vulnerability in UiPress lite, published on 19 Mar 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-2026-27091 in the wild and no public exploit code.

Affected product: UiPress lite. 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-2026-27091/ (Markdown: https://insights.sbomify.com/CVE-2026-27091/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-27091
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-27091
- OSV: https://osv.dev/vulnerability/CVE-2026-27091

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-27091/
Summaries are generated and may contain mistakes; the official description above is the record.