CVE-2026-9245
Improper input validation in the external authentication provider flow in Devolutions Server...
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.
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
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
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
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
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
| When | Changed | Sources |
|---|---|---|
| 2026-11-02 | created | CVE List, EUVD, GitHub Advisories, NVD |