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TI-2026-85375 Aliases CVE-2026-123029GHSA-g54c-2vxv-4cp8

XML external entity processing in Wowza Streaming Engine exposes local files

Priority LOW 33CWE-611Published · 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 · CNA. Fix status from CNA. Impact type from CWE-611 and the CVSS impact.

Summary

Wowza Streaming Engine before 4.12.2 processes XML external entities (CWE-611), which lets a remote attacker read local files with the privileges of the Wowza Streaming Engine process. The CVSS 3.1 vector shows network access with no privileges or user interaction required, and the impact is high confidentiality loss.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Description from the CNA

Wowza Streaming Engine before 4.12.2 processes XML external entities, which allows remote attackers to read local files with the privileges of the Wowza Streaming Engine process.

Why it matters now

EPSS 0.00395 33rd percentileScored 2026-11-07
Fix Fixed Streaming Engine (Wowza): 4.12.2

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
WowzaStreaming Enginebefore 4.12.24.12.2Patch availableCNA
  • Streaming Engine VendorWowza Affected before 4.12.2 Fixed in 4.12.2 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:wowza:streaming_engine:*:*:*:*:*:*:*:*——Wowza
  • cpe:2.3:a:wowza:streaming_engine:*:*:*:*:*:*:*:* Versions — — ·Wowza

Remediation

Upgrade Wowza Streaming Engine to version 4.12.2 or later. The sources list no advisory identifier for this fix.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

  • Fix · CNA Streaming Engine (Wowza) Fixed in 4.12.2

Timeline

  1. 2026-11-05 Threatist record created from CVE-2026-123029
  2. 2026-11-05 Alias added: GHSA-g54c-2vxv-4cp8
  3. 2026-11-06 Priority changed: MEDIUM → LOW

References

Advisory 1

  • TI-2016-09210 Wowza Streaming Engine 4.5.0 Privilege Escalation via user edit CVSS 4.0HIGH 8.7
  • TI-2016-09209 Wowza Streaming Engine 4.5.0 Local Privilege Escalation via nssm_x64.exe CVSS 4.0HIGH 8.5
  • TI-2016-09211 Wowza Streaming Engine 4.5.0 CSRF via user edit endpoint CVSS 4.0MEDIUM 6.9
  • TI-2018-13723 The REST API in Wowza Streaming Engine 4.7.4.01 allows traversal of the directory… CVSS 3.1CRITICAL 9.1
  • TI-2016-09212 Wowza Streaming Engine 4.5.0 Multiple Cross-Site Scripting Vulnerabilities CVSS 4.0MEDIUM 5.1
  • TI-2018-05112 An issue was discovered in the MBeans Server in Wowza Streaming Engine before 4.7.1. CVSS 3.0CRITICAL 9.8
See all 26 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences