CVE•Published 2026-04-07•Modified 2026-04-14•1 article on news•6 live references•NVD data
CVE-2026-39322Polarlearn · Polarlearn
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
—
Weaknesses (CWE)
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.
Timeline
Published 2026-04-07
Modified 2026-04-14
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-39322Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Polarlearn Polarlearn"All exposed Polarlearn Polarlearn instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Polarlearn"HTTP body or banner mentions "Polarlearn" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-39322Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-39322Censys host search filtered to this CVE id.
grep.app
CVE-2026-39322Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-39322GitHub code search for direct mentions.
Google dork
"CVE-2026-39322" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-39322 on GitHub.