ServiceNow Discloses Security Incident Exploiting Unauthenticated Access Flaw
ServiceNow warned of a security incident where unknown threat actors exploited an unauthenticated access flaw through a vulnerable API endpoint to gain unauthorized access and query data from customer instances. Malicious activity commenced on June 2, 2026, with customers reporting the issue via bug bounty programs on June 3-4, 2026. ServiceNow applied a security update to hosted customer instances on June 5, 2026, to remediate the vulnerability and limit access to authenticated users. A subset of customer instances was successfully queried.
Servicenow
- Domain
- servicenow.com
- Sector
- Professional, Scientific, and Technical Services
- Signals
- 1 linked
Signal context
First seen: Jun 5, 2026
Last updated: Jun 29, 2026
Status: Public signal
Key points
- Unauthenticated access flaw exploited via API endpoint
- Unknown threat actors gained unauthorized access to customer instances
- Malicious activity began June 2, 2026
Signal analysis
BetaThis analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Sector: Professional, Scientific, and Technical Services
Likely country: Location not provided
Watch internet-facing systems, credential abuse and exploit activity.
- Source type: outside the affected organization
Impact area: Confidentiality
Likely asset: User or customer data
- 5 signals in the same sector
- 90 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
Dutch Police and NCSC Disrupt 17 Million-Device Botnet Running Through Netherlands-Based Servers - NeuraCyb - Cybersecurity Intelligencehttps://neuracyb.com/dutch-police-and-ncsc-disrupt-17-million-device-botnet-running-through-netherlands-based-servers/Public source from neuracyb.com.
Cyber News Roundup – June 12th 2026 - Integrity360https://www.integrity360.com/cyber-news-roundup-june-12th-2026Public source from integrity360.com.
Data Breach Roundup (June 5 - 11, 2026) - Privacy Guideshttps://www.privacyguides.org/news/2026/06/12/data-breach-roundup-june-5-11-2026/Public source from privacyguides.org.
ServiceNow Flaw Exploited to Gain Unauthorized Access to Customer Instanceshttps://thehackernews.com/2026/06/servicenow-flaw-exploited-to-gain.htmlPublic source from thehackernews.com.
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