Unauthenticated GeoNetwork RCE, plus upload/SSRF/XSS trivia and the Spring/XSLT chain that makes it happen.
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01 02 PoC for a Nacos 3.x auth-scope bug, unauth account creation and server takeover on 3.0.0 through 3.2.3.03 Pre-auth RCE in TeamCity turns on an XStream allowlist miss, then chains agent polling, gadgets, and an HSQLDB file write.