CVE-2026-50744
Revive Adserver XML-RPC API Session ID Leak Leads to Authentication Bypass
Description
A bypass to the admin‑only restriction of the XML‑RPC API in Revive Adserver 6.0.7. The API response for the ox.login method returned a session ID cookie in the HTTP headers, and although the method correctly returned an error, the associated session was not invalidated. As a result, the leaked session ID could be used to perform subsequent API calls without restrictions.
INFO
Published Date :
June 26, 2026, 1:11 a.m.
Last Modified :
June 26, 2026, 1:11 a.m.
Remotely Exploit :
No
Source :
hackerone
Solution
- Update Revive Adserver to the latest version.
- Apply vendor patches if available.
- Review and restrict XML-RPC API access.
- Disable XML-RPC if not in use.
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