ServiceNow Flaw Exploited to Gain Unauthorized Access to Customer Instances

ServiceNow Flaw Exploited to Gain Unauthorized Access to Customer Instances Ravie LakshmananJun 10, 2026Cyber Attack / Vulnerability ServiceNow has warned about a security incident in which unknown threat actors exploited a flaw to obtain deeper unauthorized access to susceptible instances. "On June 5, 2026, ServiceNow applied a security update to hosted customer instances," the company revealed in an advisory that requires customer access. "The update concerned a security issue that could allow an unauthenticated user, in certain circumstances, to gain greater access to ServiceNow instances than intended." The security update makes changes to an endpoint configuration to limit this access to authenticated users. The security flaw currently does not have a CVE identifier. Details of the issue first emerged on Reddit. ServiceNow said it detected anomalous activity relating to the security issue, and that it observed evidence of successful queries of instance tables against a "subset of customers." Impacted customers have been notified, it added. "The security issue pertains to customers who are on the Australia platform release or made certain configuration changes to instances on releases prior to Australia," it noted. A Reddit comment from a user named "d3s7iny" claimed that its security team reported the vulnerability to ServiceNow, adding that the software company had been aware of the problem internally since April 7, 2026. For about two months, ServiceNow is said to have classified it as a non-urgent issue, with plans to remediate it in a future update. The Hacker News has contacted ServiceNow for comment, and we will update the story if we hear back. (This is a developing story. Please check back for more details.) Found this article interesting? Follow us on Google News, Twitter and LinkedIn to read more exclusive content we post. SHARE     Tweet Share Share SHARE  Cloud security, cybersecurity, Data Exposure, Incident response, ServiceNow, Vulnerability ⚡ Top Stories This Week Chrome V8 Zero-Day CVE-2026-11645 Exploited in the Wild - Patch Now Microsoft Fixes One-Click GitHub Dev Attack That Let Attackers Steal OAuth Tokens Miasma Worm Hits 73 Microsoft GitHub Repositories in Major Supply Chain Attack New HTTP/2 Bomb Vulnerability Allows Remote DoS on NGINX, Apache, IIS, Envoy and Cloudflare ⚡ Weekly Recap: Instagram Account Hacks, Android Zero-Day, GitHub Worm and More Claude Code GitHub Action Flaw Let One Malicious Issue Hijack Repositories New ChatGPT Lockdown Mode Limits Tools That Could Enable Data Exfiltration Unpatched Windows Search URI Vulnerability Lets Attackers Steal NTLMv2 Hashes Autonomous AI Tool Finds 2-Year-Old RCE Flaw in Redis (CVE-2026-23479) New FROST Attack Lets Websites Track What Sites and Apps You Open via SSD Timing Free Apps Are Quietly Turning Smart TVs Into Web-Scraping Proxies for AI One-Character Linux Kernel Flaw Enables Local Root Access, Exploits Now Public Microsoft 365 Android Apps Let Any App Steal Account Tokens via Leftover Debug Flag AI Agent Uncovers 21 Zero-Days in FFmpeg; Chrome Patches Record 429 Bugs Cisco Patches CVE-2026-20230 in Unified CM as Exploit Code Goes Public ThreatsDay Bulletin: AI Agents Gone Wrong, Sketchy C2 Tools, ClickFix Tricks, JS Backdoors + 20 New Stories Load More ▼ ⭐ Featured Resources Catch 88% of Malware Threats in Under 60 Seconds with Live Sandbox Analysis Get the 2026 Guide to Govern and Secure Enterprise AI Agents at Scale [Guide] Transform Network Operations with Intelligent Workflows See How Agentic AI Cuts Your SOC Triage Time in Half [Get a Demo]