CVE-2026-35610Public exploitNetwork attack vector

Account takeover via inverted administrative role check

Published Apr 7, 2026 · Updated Apr 7, 2026

Improper authorization in PolarLearn 0-PRERELEASE-14 and earlier allows remote authenticated users to reset passwords or delete accounts. The account-management server actions setCustomPassword and deleteUser invert the administrative role comparison, rejecting administrators while accepting any authenticated non-admin. A normal account and a target user ID are sufficient to take over another account with a chosen password or permanently delete it.

CVSS severity8.8
High
EPSS probability0.30%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authorization in PolarLearn 0-PRERELEASE-14 and earlier allows remote authenticated users to reset passwords or delete accounts. The account-management server actions setCustomPassword and deleteUser invert the administrative role comparison, rejecting administrators while accepting any authenticated non-admin. A normal account and a target user ID are sufficient to take over another account with a chosen password or permanently delete it.

The record

CVE
CVE-2026-35610
Published
Apr 7, 2026
Updated
Apr 7, 2026
Vendor
PolarNL
Product
PolarLearn
Classifications
CWE-285, T1098, T1531
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 7, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 7, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=<= 0-PRERELEASE-14

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

PolarNL · PolarLearnversion=<= 0-PRERELEASE-14

Published CVSS scores

8.8GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-285Improper Authorization
T1098Account Manipulation
T1531Account Access Removal

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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