CVE-2026-44961: CWE-287 Improper Authentication - Generic in Revive Adserver
The XML‑RPC API addUser method has a validation bypass introduced in the fix for CVE‑2025‑55129. As a result, API users could create usernames that enabled impersonation or stored XSS attacks. Proper validation has been added where it was missing.
CVE-2026-44961: CWE-287 Improper Authentication - Generic in Revive Adserver
Description
The XML‑RPC API addUser method has a validation bypass introduced in the fix for CVE‑2025‑55129. As a result, API users could create usernames that enabled impersonation or stored XSS attacks. Proper validation has been added where it was missing.
CVSS v3.0
Score 0.0none
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- hackerone
- Date Reserved
- 2026-05-08T15:00:02.447Z
- Cvss Version
- 3.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3ee87427e9c79719ee54be
Added to database: 06/26/2026, 21:00:36 UTC
Last updated: 06/26/2026, 21:00:36 UTC
Views: 1
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