# CVE-2026-82841: UpdraftPlus 1.23.8 - 1.26.7 - Subscriber+ Remote Storage Credential Disclosure via Migration Notice

> Authenticated subscribers can retrieve remote storage credentials if the site is in a specific post-migration state due to missing capability checks.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A: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:** 27 Sep 2026
- **Updated:** 28 Sep 2026
- **Also known as:** GHSA-c9rv-8jhm-3c35

## What is CVE-2026-82841?

CVE-2026-82841 is a medium-severity vulnerability in Unknown UpdraftPlus: WP Backup & Migration Plugin, published on 27 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The UpdraftPlus: WP Backup & Migration Plugin WordPress plugin before 1.26.8, UpdraftPlus: WP Backup & Migration Plugin WordPress plugin before 2.26.8.26 does not have any capability check in a routine that outputs its stored remote storage settings into admin pages when the site is left in a particular post-migration state, allowing any authenticated user, such as a subscriber, to retrieve the credentials of the configured backup destinations, such as passwords and secret keys.

Weakness: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2026-82841?


## How do I fix CVE-2026-82841?

No fix has been published for CVE-2026-82841 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-82841 being exploited?

There is no known exploitation of CVE-2026-82841 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-82841 and fix it if it is affected.

What it is: CVE-2026-82841 is a medium-severity vulnerability in Unknown UpdraftPlus: WP Backup & Migration Plugin, published on 27 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-2026-82841 in the wild and no public exploit code.

Affected product: Unknown UpdraftPlus: WP Backup & Migration Plugin. 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-2026-82841/ (Markdown: https://insights.sbomify.com/CVE-2026-82841/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-82841
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-82841
- OSV: https://osv.dev/vulnerability/CVE-2026-82841

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-82841/
Summaries are generated and may contain mistakes; the official description above is the record.
