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CVE-2026-39322

PolarLearn: Any password authenticates banned accounts and grants API access PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
polarnl / PolarLearnaffected <= v0-PRERELEASE-15

CWE

CWE-287

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.