Read the docs
TI-2018-11552 Aliases CVE-2018-16153GHSA-hcxx-mp6g-6gr9

An issue was discovered in Apereo Opencast 4.x through 10.x before 10.6.

Priority MEDIUM 40CWE-522Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-522.

Summary

An issue was discovered in Apereo Opencast 4.x through 10.x before 10.6. It sends system digest credentials during authentication attempts to arbitrary external services in some situations.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00829 57th percentileScored 2026-11-07
Fix Fixed org.opencastproject:opencast-common (Maven): 10.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—org.opencastproject:opencast-common (Maven)before 10.610.6Patch availableGHSA-hcxx-mp6g-6gr9
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • org.opencastproject:opencast-common (Maven) Vendor— Affected before 10.6 Fixed in 10.6 Patch available GHSA-hcxx-mp6g-6gr9

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apereo:opencast:*:*:*:*:*:*:*:*4.0 to before 10.6VulnerableApereo
  • cpe:2.3:a:apereo:opencast:*:*:*:*:*:*:*:* Versions 4.0 to before 10.6 Vulnerable ·Apereo

Remediation

  • Fix · GHSA-hcxx-mp6g-6gr9 org.opencastproject:opencast-common (Maven) Fixed in 10.6 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-16153
  2. 2026-10-03 Alias added: GHSA-hcxx-mp6g-6gr9

References

  • TI-2021-19627 Files Accessible to External Parties in Opencast CVSS 3.1CRITICAL 9.9
  • TI-2025-38256 Opencast's editor accidentally publishes videos/overwrites publications #1626 CVSS 4.0LOW 2.3
  • TI-2020-04262 Authentication Bypass For Endpoints With Anonymous Access in OpenCast CVSS 3.1CRITICAL 10.0
  • TI-2020-04278 Hard-Coded Key Used For Remember-me Token in OpenCast CVSS 3.1HIGH 8.8
  • TI-2021-12292 Opencast vulnerable to billion laughs attack (XML bomb) CVSS 3.1HIGH 8.1
  • TI-2021-19613 HTTP Method Spoofing in Opencast CVSS 3.1HIGH 7.5
See all 19 →

Sources