Atlassian Confluence Cloud
4.8M wiki pages from enterprise customers exposed via critical authentication bypass
2026 continues the year-over-year growth trend in confirmed disclosures. The list below updates as new breaches are reported by Verizon DBIR partners and major security news outlets.
4.8M wiki pages from enterprise customers exposed via critical authentication bypass
431,371 records exposed — Email addresses, Names, Phone numbers, Physical addresses
RoundCube Webmail Deserialization of Untrusted Data Vulnerability — RoundCube Webmail contains a deserialization of untrusted data vulnerability that allows remote code execution by authenticated users because the _from
RoundCube Webmail Cross-site Scripting Vulnerability — RoundCube Webmail contains a cross-site scripting vulnerability via the animate tag in an SVG document.
340K student records including visa and financial information exposed in targeted attack
640K customer billing records exposed via compromised metering data system
Dell RecoverPoint for Virtual Machines (RP4VMs) Use of Hard-coded Credentials Vulnerability — Dell RecoverPoint for Virtual Machines (RP4VMs) contains an use of hard-coded credentials vulnerability that could allow an un
1.2M customer records compromised via third-party mortgage processing vendor
Searchlight Cyber reports a 30% annual increase in ransomware victim numbers in 2025
510K cross-border dispute records exposed via compromised document review platform
3.2M patient health records from interprovincial data exchange compromised
967,178 records exposed — Dates of birth, Email addresses, Names, Phone numbers and 1 more
815K customer records stolen from third-party licensing partner — second breach in a year
GitLab Server-Side Request Forgery (SSRF) Vulnerability — GitLab contains a server-side request forgery (SSRF) vulnerability when requests to the internal network for webhooks are enabled.
TeamT5 ThreatSonar Anti-Ransomware Unrestricted Upload of File with Dangerous Type Vulnerability — TeamT5 ThreatSonar Anti-Ransomware contains an unrestricted upload of file with dangerous type vulnerability. ThreatSonar
Google Chromium CSS Use-After-Free Vulnerability — Google Chromium CSS contains a use-after-free vulnerability that could allow a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulne
540K defense contractor employee records and project data accessed over multi-year intrusion
581,877 records exposed — Device information, Email addresses, IP addresses, Names and 4 more
Microsoft Windows Video ActiveX Control Remote Code Execution Vulnerability — Microsoft Windows Video ActiveX Control contains a remote code execution vulnerability. An attacker could exploit the vulnerability by constr
Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery Vulnerability — Synacor Zimbra Collaboration Suite (ZCS) contains a server-side request forgery vulnerability if WebEx zimlet installed and zimlet JSP
Hudson Rock has warned OpenClaw users that infostealers are targeting their configuration files
Unit 42 researchers observed a low-skilled threat actor using an LLM to script a professional extortion strategy, complete with deadlines and pressure tactics
280K employee and defense contract records from engine division exposed in supply chain attack
450,764 records exposed — Email addresses, Names, Physical addresses