Thehackernews Active Exploitation of WSO2 API Manager Vulnerability CVE-2026-5430
Article Content
- •CVE-2026-5430 allows JWT authentication bypass in WSO2 API Manager.
- •Active exploitation confirmed with forged tokens targeting admin accounts.
- •Users must apply patches urgently to prevent unauthorized access.
A critical vulnerability, CVE-2026-5430, in WSO2 API Manager is currently being exploited in the wild. The flaw allows JWT authentication to be bypassed when tokens are signed with unsupported algorithms, potentially leading to account takeover. Affected systems include WSO2 API Manager versions 4.1.0 to 4.6.0, API Control Plane, Traffic Manager, and Universal Gateway. The vulnerability was first reported by the Hacktron Team and has a CVSS score of 9.8. Active exploitation attempts were detected on September 13, 2026, with forged JWT tokens containing administrative privileges. Users are urged to apply available patches immediately to mitigate risks. The vulnerability was initially addressed in May 2026, but exploitation attempts have surged recently, highlighting the urgency for updates.
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