US EditionNew React vulns leak secrets, invite DoS attacks
React patched two denial-of-service flaws and one source-code exposure bug affecting Server Components, with over 50 organizations impacted by related exploits, researchers said.
7 Articles
7 Articles
React Urges New Patch Upgrades After Security Researchers Flag Additional Flaws - Cybernoz - Cybersecurity News
React on Thursday warned that customers will need to apply new upgrades amid the React2Shell crisis, after researchers discovered additional vulnerabilities, including a denial of service flaw and a source code exposure. A denial of service vulnerability, tracked as CVE-2025-55184 and CVE-2025-67779, allows an attacker to craft a malicious HTTP request and send it to a Server Functions endpoint, which can lead to an infinite loop. The flaw has …
React Fixes Two New RSC Flaws as Security Teams Deal with React2Shell
As they work to fend off the rapidly expanding number of attempts by threat actors to exploit the dangerous React2Shell vulnerability, security teams are learning of two new flaws in React Server Components that could lead to denial-of-service attacks or the exposure of source code. The post React Fixes Two New RSC Flaws as Security Teams Deal with React2Shell appeared first on Security Boulevard.
The discovery of the Sysdig Threat Research team marks a turning point: React2Shell exploits reach a new level of complexity – and classic protection mechanisms reach their limits. On December 5, 2025, just two days after the public announcement of CVE-2025-55182 – a vulnerability with maximum severity level in React server components (RSCs), which allows remote code execution – the Sysdig Threat Research team (TRT) has a novel [...] The post Et…
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