Skip to content
Critical WebLogic RCE Vulnerability Exploited in the Wild

Critical WebLogic RCE Vulnerability Exploited in the Wild

First seen 1 Apr 2026, 13:30 UTC • •
API

Article Content

Browse articles
ThreatCluster AI
ThreatCluster •April 2, 2026 at 13:03 UTC
  • •CVE-2026-21962 is a critical RCE vulnerability in Oracle WebLogic Server with a CVSS score of 10.0.
  • •Exploitation of this vulnerability began shortly after public exploit code was released on January 22, 2026.
  • •Organizations using Oracle WebLogic Server must urgently apply patches to mitigate the risk of attack.

Hackers are actively exploiting a critical Remote Code Execution (RCE) vulnerability in Oracle WebLogic Server, tracked as CVE-2026-21962, which has a maximum CVSS score of 10.0. This unauthenticated flaw allows attackers to execute arbitrary code on affected systems. The vulnerability was published on January 20, 2026, and public exploit code became available on January 22, 2026. A recent honeypot study indicates that exploitation has rapidly increased since the release of the exploit code. Organizations using Oracle WebLogic Server are at risk, particularly those that have not yet applied security patches. The ongoing attacks highlight the urgency for defenders to secure their systems against this vulnerability. As of April 1, 2026, the threat remains active and widespread.

Start a free Starter trial for enhanced analysis

Ask AI about this cluster

Updated 197d ago How this analysis works

Timeline

2026-01-20
CVE-2026-21962 published
2026-01-22
First public PoC exploit code released
Recent
Hackers actively exploiting the vulnerability in the wild

More articles in this cluster (2)

Following this threat?

Track CVE-2026-21962 in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.

Free account · no card needed

Extracted Entities (4)

1 / 3