Just as the experts predicted, cybercriminals are now actively exploiting the critical severity vulnerability in React Server Components (RSC) that was discovered late last week. To make matters worse, the crooks observed abusing the bug seem to be working for the Chinese government.
Late last week, the React team published a security advisory detailing a pre-authentication bug in multiple versions of multiple packs, affecting RCS. The versions that are affected include 19.0, 19.1.0, 19.1.1, and 19.2.0, react-server-dom-webpack, react-server-dom-parcel, and react-server-dom-turbopack. ).
Read more…
Source: TechRadar News
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Patch Tuesday – January 2026
January 14, 2026
Microsoft is publishing 114 vulnerabilities this January 2026 Patch Tuesday. Today’s menu includes just one vulnerability marked as exploited in the wild, as well as two vulnerabilities where Microsoft is aware of public disclosure. There are no critical remote code execution or elevation of privilege vulnerabilities. So far this month, Microsoft has already provided patches to ...
- Why iPhone users should update and restart their devices now
January 13, 2026
If you were still questioning whether iOS 26+ is for you, now is the time to make that call. Why? On December 12, 2025, Apple patched two WebKit zero‑day vulnerabilities linked to mercenary spyware and is now effectively pushing iPhone 11 and newer users toward iOS 26+, because that’s where the fixes and new memory ...
- Threat Brief: MongoDB Vulnerability (CVE-2025-14847)
January 13, 2026
On Dec. 19, 2025, MongoDB publicly disclosed MongoBleed, a security vulnerability (CVE-2025-14847) that allows unauthenticated attackers to leak sensitive heap memory by exploiting a trust issue in how MongoDB Server handles zlib-compressed network messages. This flaw occurs prior to authentication, meaning an attacker only needs network access to the database’s default port to trigger it. Read more… Source: ...
- ‘ZombieAgent’ zero click vulnerability allows for silent account takeover
January 9, 2026
OpenAI recently introduced a new feature for ChatGPT which, unfortunately, also puts users at risk of data exfiltration and persistent access. In December 2025, a feature called Connectors finally moved out of beta and into general availability. This feature allows ChatGPT to connect to numerous other apps, such as calendars, cloud storage, email accounts, and similar ...
- 10 emergency directives retired as CISA declares them redundant
January 9, 2026
The US Cybersecurity and Infrastructure Security Agency (CISA) retired ten Emergency Directives (ED) it issued between 2019 and 2024, saying they achieved their purpose and are no longer needed. In a short announcement published on its website, CISA said the EDs have either been successfully implemented or are now encompassed through Binding Operational Directive (BOD) 22-01, ...
- CVE-2026-21858: Maximum-severity n8n flaw lets randos run your automation server
January 8, 2026
A maximum-severity bug in the popular automation platform n8n has left an estimated 100,000 servers wide open to complete takeover, courtesy of a flaw so bad it doesn’t even require logging in. The vulnerability, uncovered by researchers at security outfit Cyera, carries a CVSS score of 10.0 and has been dubbed “ni8mare” for good reason. Tracked ...