CVE-2026-9245
Improper input validation in the external authentication provider flow in Devolutions Server...
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
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
5.0
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
- Record
CVE-2026-9245- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L - Weakness
- CWE-601
- Updated
- 2026-11-02
EUVDEUVD-2026-31459
5.0
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
- Record
EUVD-2026-31459- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-3v98-q7qw-m4cr
5.0
Improper input validation in the external authentication provider flow in Devolutions Server...
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
- Record
GHSA-3v98-q7qw-m4cr- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L - Weakness
- CWE-601
- Updated
- 2026-11-02
NVD
5.0
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
- Record
CVE-2026-9245- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L - Weakness
- CWE-601
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-9245 is a medium vulnerability (CVSS 5.0) in Devolutions Server, published May 22, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.23%, the 13th percentile. No source names a fixed version.