CVE-2026-56877
CVSS Score
6.3
EPSS Score
0.4%
EPSS Percentile
33th
The SCORM lab launch endpoint in Skillable (scorm.skillable.com) through 2026-07-13 does not validate the client-supplied userId parameter against the authenticated SCORM session token. An authenticated user can substitute arbitrary userId values to bypass per-user lab launch rate limits and consume other users' lab allocations, resulting in denial of service against targeted users' lab and exam access. Skillable was formerly named Learn on Demand Systems.
| CWE | CWE-472 |
| Vendor | skillable |
| Product | scorm lab launch integration |
| Published | Jul 13, 2026 |
| Last Updated | Jul 16, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Affected Versions
Skillable / SCORM Lab Launch Integration
0 ≤ 2026-07-13
References
skillable.com: https://www.skillable.com/security/ openwall.com: https://www.openwall.com/lists/oss-security/2026/07/12/1 openwall.com: http://www.openwall.com/lists/oss-security/2026/07/12/1 openwall.com: http://www.openwall.com/lists/oss-security/2026/07/12/2 seclists.org: http://seclists.org/fulldisclosure/2026/Jul/20