CVE-2026-35610 PolarLearn has a Server Action Admin Bypass in Account Management Actions
Authenticated non-admin users can bypass admin checks to change passwords or delete accounts in PolarLearn due to an inverted condition.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-35610?
CVE-2026-35610 is a high-severity vulnerability in polarnl PolarLearn, published on 7 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
PolarLearn is a free and open-source learning program. In 0-PRERELEASE-14 and earlier, setCustomPassword(userId, password) and deleteUser(userId) in the account-management module used an inverted admin check. Because of the inverted condition, authenticated non-admin users were allowed to execute both actions, while real admins were rejected. This is a direct privilege-escalation issue in the application.
Weakness: CWE-285
Which versions are affected by CVE-2026-35610?
It affects 1 product.
Products include Polarlearn Polarlearn.
How do I fix CVE-2026-35610?
No fix has been published for CVE-2026-35610 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-35610 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-35610 exists.
Other vulnerabilities in polarnl PolarLearn
- CVE-2026-25885 PolarLearn allows Unauthenticated WebSocket access allows subscribing to and posting in arbitrary group chats
- CVE-2026-39322 PolarLearn: Any password authenticates banned accounts and grants API access
- CVE-2026-25126 PolarLearn's unvalidated vote direction allows vote count manipulation
- CVE-2026-25222 PolarLearn Affected by User Enumeration via Argon2 Timing Attack on Sign-In Endpoint
- CVE-2026-25221 PolarLearn has Multiple Login CSRFs via Missing OAuth state Parameter (GitHub & Google)