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.
Published: 2026-04-07
Score: 9.2 Critical
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories

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History

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'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

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

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

Link: CVE-2026-39322

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-39322

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses