CVE-2026-123029: Wowza Streaming Engine · XML External Entity (XXE)
Affects Wowza Streaming EngineSource CVE Database V5
Not known to be exploited · CVSS 7.5 High : upgrade to 4.12.2 soon.
Data as of 5 Nov 2026, 10:05 UTC
Thin evidence
One scorer or none| CNA (mitre) | CVSS 3.1 | 7.5 |
|---|
- Patch
- Available – fixed in 4.12.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 5 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Upgrade Streaming Engine and com.wowza/streaming-engine to 4.12.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| WowzaStreaming Engine | Affected
| Fixed in
|
Mavencom.wowza/streaming-enginepkg:maven/com.wowza/streaming-engineOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade Wowza Streaming Engine to version 4.12.2 or later, where this vulnerability is fixed. No other mitigation is indicated by the vendor advisory.
Description
CVE-2026-123029 is a vulnerability in Wowza Streaming Engine versions before 4.12.2 that allows remote attackers to read local files via XML external entity processing. This occurs because the software improperly restricts XML external entity references, enabling unauthorized file access with the privileges of the Wowza Streaming Engine process. The issue is fixed in version 4.12.2.