CVE-2026-56877 | BDVDB-2026-347315 Detail

SkillableSCORM Lab Launch Integration

Description#

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.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact low. Attack vector: network.

Weaknesses#

CWE-472 External Control of Assumed-Immutable Web Parameter

References#

Exploit#

No public exploit known

History#

Version 12026-07-13Record published in the CVE List.
Version 22026-07-16Most recent update recorded in the CVE List.

Published

Published: 2026-07-13
Last modified: 2026-07-16

Vendor information

Vendor: Skillable
Product: SCORM Lab Launch Integration

All Skillable vulnerabilities

Score

6.3 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 33.8.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 2026-07-13
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.3 Medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	Low
Availability	Low

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).