Auth bypass in Polarlearn
CVE-2026-35610
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (36.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Polarlearn
- Polarnl Polarlearn — versions <= 0-PRERELEASE-14
Weakness classification (CWE)
References
- github.com/polarnl/PolarLearn/security/advisories/GHSA-8hww-w7cc-77rj (Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-35610?
- CVE-2026-35610 is a high-severity vulnerability in Polarlearn, classified under Improper Authorization. CVSS score: 8.8/10. Published 2026-04-07.
- How severe is CVE-2026-35610?
- High severity. CVSS v3 base score is 8.8 out of 10.