# CVE-2026-9245: Open redirect in Server

> An unauthenticated attacker can redirect victims to malicious domains via crafted login links in Devolutions Server.

- **Severity:** Medium 5.0 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 22 May 2026
- **Updated:** 22 May 2026
- **Also known as:** GHSA-3v98-q7qw-m4cr

## What is CVE-2026-9245?

CVE-2026-9245 is a medium-severity vulnerability in Devolutions Devolutions Server, published on 22 May 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

Improper input validation in the external authentication provider flow in Devolutions Server allows an unauthenticated remote attacker to redirect victims to an attacker-controlled domain via a crafted login link.

This issue affects :

  *  Devolutions Server 2026.1.6.0 through 2026.1.16.0
  *  Devolutions Server 2025.3.20.0 and earlier

Weakness: CWE-601 (URL Redirection to Untrusted Site)

## Which versions are affected by CVE-2026-9245?

It affects 1 product.


Products: Devolutions Devolutions Server.

## How do I fix CVE-2026-9245?

No fix has been published for CVE-2026-9245 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-9245 being exploited?

There is no known exploitation of CVE-2026-9245 in the wild and no public exploit code.

## Other vulnerabilities in Devolutions Devolutions Server

- [CVE-2026-3130](https://insights.sbomify.com/CVE-2026-3130/): Business logic in Server (critical 9.8)
- [CVE-2026-3204](https://insights.sbomify.com/CVE-2026-3204/): Cross-site scripting in Server (critical 9.8)
- [CVE-2026-3224](https://insights.sbomify.com/CVE-2026-3224/): Auth bypass in Server (critical 9.8)
- [CVE-2026-0610](https://insights.sbomify.com/CVE-2026-0610/): SQL injection in Server (critical 9.8)
- [CVE-2024-2921](https://insights.sbomify.com/CVE-2024-2921/): Missing authorization in Server (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-9245 and fix it if it is affected.

What it is: CVE-2026-9245 is a medium-severity vulnerability in Devolutions Devolutions Server, published on 22 May 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-9245 in the wild and no public exploit code.

Affected product: Devolutions Devolutions Server. 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-2026-9245/ (Markdown: https://insights.sbomify.com/CVE-2026-9245/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-9245
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-9245
- OSV: https://osv.dev/vulnerability/CVE-2026-9245

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-9245/
Summaries are generated and may contain mistakes; the official description above is the record.