CVE-2021-41826 json
PlaceOS Authentication Service before 1.29.10.0 allows app/controllers/auth/sessions_controller.rb open redirect.
published 2021-09-29 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-28827
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 12.1%
- EPSS 12.1% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
PlaceOS Authentication Service before 1.29.10.0 allows app/controllers/auth/sessions_controller.rb open redirect.
Patch / fix
Exploit prediction
12.06% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template PlaceOS 1.2109.1 - Open Redirection nuclei detection template
- github.com https://github.com/PlaceOS/auth/issues/36 referenced PoC, tagged "exploit" by a source, unverified
- packetstormsecurity.com http://packetstormsecurity.com/files/164345/PlaceOS-1.2109.1-Open-Redirection.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
Classification
- Weakness
-
- CWE-601 URL Redirection to Untrusted Site
References
-
github.com
/PlaceOS/auth/issues/36
exploit, patch, third-party-advisory
-
packetstormsecurity.com
/files/164345/PlaceOS-1.2109.1-Open-Redirection.html
exploit, third-party-advisory, vdb-entry
Sources
- CVE List CVE-2021-41826
- NVD CVE-2021-41826
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