CVE-2021-41826
PlaceOS Authentication Service before 1.29.10.0 allows app/controllers/auth/sessions_controller...
PlaceOS Authentication Service before 1.29.10.0 allows app/controllers/auth/sessions_controller.rb open redirect.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used 6.1
PlaceOS Authentication Service before 1.29.10.0 allows app/controllers/auth/sessions_controller.rb open redirect.
- Record
CVE-2021-41826- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
CVE ListNo score
PlaceOS Authentication Service before 1.29.10.0 allows app/controllers/auth/sessions_controller.rb open redirect.
- Record
CVE-2021-41826- Updated
- 2026-11-02
EUVDEUVD-2021-28827No score
PlaceOS Authentication Service before 1.29.10.0 allows app/controllers/auth/sessions_controller.rb open redirect.
- Record
EUVD-2021-28827- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qrxc-f2m6-rvqgNo score
PlaceOS Authentication Service before 1.29.10.0 allows app/controllers/auth/sessions_controller...
PlaceOS Authentication Service before 1.29.10.0 allows app/controllers/auth/sessions_controller.rb open redirect.
- Record
GHSA-qrxc-f2m6-rvqg- Weakness
- CWE-601
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | PlaceOS 1.2109.1 - Open Redirection |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-41826 is a medium vulnerability (CVSS 6.1) in Place Placeos Authentication, published September 29, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 12.1%, the 96th percentile. No source names a fixed version.