davidvrns/CVE-2026-5430-WSO2

PoC

Detection PoC for CVE-2026-5430 — unauthenticated JWT algorithm bypass (CVSS 10.0) affecting WSO2 API Manager 4.1.0–4.6.0. Read-only assessment tool with patch confirmation and WAF detection. Authorized use only.

view exploit source poc_in_githubauthor davidvrnspublished 2026-10-08catalog poc_in_github

exploited CVEs (1)

Known CVEs related to this entry.

ID	severity	EPSS	exploitable	published
CVE-2026-5430US	—OT critical	0.59% (47th)	KEV	2026-08-06
The JWT authentication mechanism accepts tokens signed with algorithms other than those explicitly configured or supported. This allows an attacker to craft a JWT with an unsupport…

scry

Working exploits like this target internet-facing systems. See what is exposed on your perimeter with a free passive scan.

Free scan