CVE-2026-39322
CRITICAL EPSS 14.9%
Published Apr 7, 20262mo ago · Modified Jun 17, 20262w ago
9.2 CVSS 4.0
Published Apr 7, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
14.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-287 Improper Authentication Authentication
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| polarlearn | polarlearn | * | any |
References 1
- github.com https://github.com/polarnl/PolarLearn/security/advisories/GHSA-9vx4-7ww7-4cf5
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.