EPISODE · Jul 26, 2026 · 5 MIN
Fastjson 1.x RCE exploited, no patch yet
from Crestvale Newsroom · host Crestvale Newsroom
Send us Fan Mail A widely used Java library is being actively exploited with no patch available, forcing teams to shift from waiting on fixes to immediate containment. At the same time, attackers are leaning into unauthenticated access paths and fast weaponization cycles. This matters because exposure is now the primary risk factor. If a service is reachable or an account is valid, attackers can move quickly without user interaction. Security teams need tighter inventory, faster patching, and stronger controls around identity and access to keep up. We also cover Cl0p targeting PTC systems, a new GitLab RCE proof of concept, and the push toward continuous access control and session visibility. Learn more at https://crestvale.io Support the show
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Send us Fan Mail A widely used Java library is being actively exploited with no patch available, forcing teams to shift from waiting on fixes to immediate containment. At the same time, attackers are leaning into unauthenticated access paths and fast weaponization cycles. This matters because exposure is now the primary risk factor. If a service is reachable or an account is valid, attackers can move quickly without user interaction. Security teams need tighter inventory, faster patching, an...
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Fastjson 1.x RCE exploited, no patch yet
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