PolarLearn is a free and open-source learning program. In 0-PRERELEASE-15 and earlier, POST /api/v1/auth/sign-in creates a valid session for banned accounts before verifying the supplied password. That session is then accepted across authenticated /api routes, enabling account data access and authenticated actions as the banned user.
History

Thu, 09 Apr 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 08 Apr 2026 19:45:00 +0000

Type Values Removed Values Added
First Time appeared Polarnl
Polarnl polarlearn
Vendors & Products Polarnl
Polarnl polarlearn

Tue, 07 Apr 2026 20:45:00 +0000

Type Values Removed Values Added
Description PolarLearn is a free and open-source learning program. In 0-PRERELEASE-15 and earlier, POST /api/v1/auth/sign-in creates a valid session for banned accounts before verifying the supplied password. That session is then accepted across authenticated /api routes, enabling account data access and authenticated actions as the banned user.
Title PolarLearn: Any password authenticates banned accounts and grants API access
Weaknesses CWE-287
References
Metrics cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-04-07T19:03:28.999Z

Updated: 2026-04-09T16:16:51.970Z

Reserved: 2026-04-06T19:31:07.266Z

Link: CVE-2026-39322

cve-icon Vulnrichment

Updated: 2026-04-09T16:16:11.808Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-04-07T20:16:28.773

Modified: 2026-04-09T17:16:26.723

Link: CVE-2026-39322

cve-icon Redhat

No data.