eact is one of the most popular JavaScript libraries, which powers much of today’s internet. Researchers recently discovered a maximum-severity vulnerability. This bug could allow even the low-skilled threat actors to execute malicious code (RCE) on vulnerable instances.
Earlier this week, the React team published a new security advisory detailing a pre-authentication bug in multiple versions of multiple packs, affecting React Server Components. The versions that are affected include 19.0, 19.1.0, 19.1.1, and 19.2.0, of react-server-dom-webpack, react-server-dom-parcel, and react-server-dom-turbopack. The bug is now tracked as CVE-2025-55182, and was given a severity score of 10/10 (critical).
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:
- Russia-linked APT28 attackers already abusing new Microsoft Office zero-day
February 2, 2026
Russia-linked attackers are already exploiting Microsoft’s latest Office zero-day, with Ukraine’s national cyber defense team warning that the same bug is being used to target government agencies inside the country and organizations across the EU. In an alert published on Sunday, CERT-UA says the activity is being driven by UAC-0001, better known as “APT28” or “Fancy ...
- Ivanti patched two critical zero-day vulnerabilities in EPMM
January 30, 2026
Ivanti has patched two critical zero-day vulnerabilities in its Endpoint Manager Mobile (EPMM) product that are already being exploited, continuing a grim run of January security incidents for enterprise IT vendors. In January 2025, tens of thousands were urged to patch a Fortinet zero-day, while Ivanti customers were doing the same. There has been little change ...
- Microsoft Office zero-day lets malicious documents slip past security checks
January 29, 2026
Microsoft issued an emergency patch for a high-severity zero-day vulnerability in Office that allows attackers to bypass document security checks and is being exploited in the wild via malicious files. Microsoft pushed the emergency patch for the zero‑day, tracked as CVE-2026-21509, and classified it as a “Microsoft Office Security Feature Bypass Vulnerability” with a CVSS score ...
- CISA: Fortinet Releases Guidance to Address Ongoing Exploitation of Authentication Bypass Vulnerability CVE-2026-24858
January 28, 2026
Newly disclosed vulnerability Common Vulnerabilities and Exposures (CVE)-2026-24858 allows malicious actors with a FortiCloud account and a registered device to log in to separate devices registered to other users in FortiOS, FortiManager, FortiWeb, FortiProxy, and FortiAnalyzer, if FortiCloud single sign on (SSO) is ...
- Fortinet admits FortiGate SSO bug still exploitable despite December patch
January 23, 2026
Fortinet has confirmed that attackers are actively bypassing a December patch for a critical FortiCloud single sign-on (SSO) authentication flaw after customers reported suspicious logins on devices supposedly fully up to date. In a new advisory, Fortinet said it had identified a fresh attack path being used to abuse SAML-based SSO in FortiOS, even on systems ...
- VMware vCenter Server bug fixed in 2024 under attack today
January 23, 2026
You’ve got to keep your software updated. Some unknown miscreants are exploiting a critical VMware vCenter Server bug more than a year after Broadcom patched the flaw. The vulnerability, tracked as CVE-2024-37079, is an out-of-bounds write flaw in vCenter Server’s implementation of the DCERPC protocol that earned a 9.8 out of 10 CVSS rating. In other ...