CVE-2026-14306: Tutor LMS < 3.9.14 - Subscriber+ Paid Course Content Disclosure via Enrollment Check Bypass
Noroxi assessment
Priority: Monitor (action score 17/100)
- The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
- Probability of exploitation in the next 30 days: 0.27% (FIRST EPSS).
- Anyone who can reach it over the internet can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
- Fixed version: Unknown Tutor LMS 3.9.14.
- Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).
Low priority for now. Upgrade to Unknown Tutor LMS 3.9.14 or later.
Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it
Primary sources: NVD · CVE.org · FIRST EPSS
The Tutor LMS WordPress plugin before 3.9.14 does not properly verify enrollment when restricting access to protected course content, allowing authenticated users with subscriber-level access and above who are enrolled in at least one course to view paid lesson, quiz, and assignment content belonging to other courses.
- Published
- Aug 6, 2026
- Updated
- Aug 26, 2026
- EPSS
- 0.2% · 19th percentile
- CWE
- CWE-639
Report tools
Action score
17
Monitor
Low priority for now.
- CVSS
- 17 / 40 · 4.3 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.2%
CISA SSVC decision
- Exploitation
- proof of concept
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · WPScan
- 4.3
- NVD has not scored this yet; the score shown is the CNA’s.
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Is Tutor LMS – eLearning and online course solution on your site?
WP Lens reads your site's plugin, theme and WordPress versions from the outside and matches them to known vulnerabilities. Works without an account.
Noroxi analysis
What does it mean in your environment?
The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.
We use this product, ask for helpAffected systems
Is your version affected?
Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.
—
Versions reported by the vendor
Affected version ranges reported by the assigning authority (WPScan). Independent of NVD's CPE analysis and usually ahead of it.
Unknown Tutor LMS
- before 3.9.14affected · semver
Same product
unknown: all recordsOther highest-scoring records for the same primary product.
- CVE-2026-19092Tutor LMS < 4.0.6 - Unauthenticated Arbitrary Zero-Argument Function Invocation via Template Variable Shadowing40Plan
- CVE-2026-96537Tutor LMS < 4.1.1 - Unauthenticated Tutor Page Force-Publish and Content Overwrite30Monitor
- CVE-2026-85569Tutor LMS 2.7.1 - < 4.0.8 - Read-Only API Key Privilege Escalation via REST Request Misclassification28Monitor
Published before and after this one in the same product
- ← EarlierCVE-2026-12275Jul 13, 2026 · Tutor LMS < 3.9.13 - Subscriber+ Unauthorized Course Enrollment and Private Course Content Disclosure via Droip/Kirki Integration28Monitor
- ← EarlierCVE-2026-14310Jul 30, 2026 · Tutor LMS < 4.0.0 - Subscriber+ Cross-Course Q&A Content Disclosure and Reply Injection21Monitor
- Later →CVE-2026-14187Aug 22, 2026 · Tutor LMS < 4.0.6 - Instructor+ Cross-Instructor Private Course Disclosure via IDOR10Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| Unknown Tutor LMS | 3.9.14 | Vendor (CNA) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
- John UmoruPatchstack Bug Bounty Programfinder
- WPScancoordinator
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2026-1227424 days apartTutor LMS < 3.9.13 - Instructor+ Arbitrary Post Overwrite via IDOR26Monitor
- CVE-2026-8557165 days apartTutor LMS 4.0.5 - 4.1.0 - Instructor+ Arbitrary Post Reparenting via IDOR26Monitor
- CVE-2026-143107 days apartTutor LMS < 4.0.0 - Subscriber+ Cross-Course Q&A Content Disclosure and Reply Injection21Monitor
- CVE-2026-1227124 days apartTutor LMS < 3.9.13 - Subscriber+ Arbitrary Quiz Attempt Modification via IDOR21Monitor
- CVE-2026-1418716 days apartTutor LMS < 4.0.6 - Instructor+ Cross-Instructor Private Course Disclosure via IDOR10Monitor
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
National notice (Türkiye Cybersecurity Directorate / USOM)
Official security notices citing this record; remediation advice is on the agency's page.
- TR-26-0773 · Aug 7, 2026(WordPress Eklenti Güvenlik Bildirimi)
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- low · data can be read
- Integrity
- none
- Availability
- none
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- Low
- Integrity impact
- None
- Availability impact
- None
Weakness class (CWE)
CWE-639 · Authorization Bypass Through User-Controlled KeyCVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
nvd-secondary
Root cause
The endpoint fetches the record by the ID sent in the request, but never checks whether the record belongs to the requesting user.
The bug in code
The whole CWE-639 classA representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.
Vulnerable
const invoice = await Invoice.findById(req.params.id);
res.json(invoice);Fixed
const invoice = await Invoice.findOne({
id: req.params.id,
ownerId: req.user.id,
});
if (!invoice) return res.sendStatus(404);
res.json(invoice);Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.