Quick answers
- Is CVE-2026-21962 exploited in the wild?
- Yes. CVE-2026-21962 is known to be exploited in the wild, first recorded on 24 August 2026. Treat it as urgent.
- How severe is CVE-2026-21962?
- Critical severity, with a CVSS score of 10, published 20 January 2026.
- Which products and versions are affected?
- Oracle HTTP Server; Oracle WebLogic Server Proxy Plug-in.
- Is there a fix for CVE-2026-21962?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-21962 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-21962?
- Check whether you run Oracle Weblogic Server Proxy Plug-In or Oracle WebLogic Server Proxy Plug-in. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
This is an improper access control vulnerability in Oracle HTTP Server and Oracle WebLogic Server Proxy Plug-in that allows attackers to bypass authentication or authorization mechanisms. The vulnerability affects the proxy plug-in component responsible for routing requests between the HTTP Server and backend WebLogic servers. An attacker with network access to an affected proxy can exploit this flaw without requiring valid credentials or user interaction, enabling unauthorized CRUD operations on critical data and complete information disclosure. The vulnerability has been actively exploited in the wild, indicating proof-of-concept or weaponized exploits exist in attacker toolkits.
Affected products
- Oracle HTTP Server
- Oracle WebLogic Server Proxy Plug-in
Timeline
- 2026-08-24: disclosed
- exploited: Known to be actively exploited in the wild