Week 26, 2026
22–28 June 2026
Newly exploited 6
Added to CISA KEV or flagged as exploited by ENISA this week — patch these first.
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Critical 9.3
CVE-2026-12569 KEV Jun 25, 2026 · ransomware Remote Code Execution (RCE) vulnerability in Windchill PDMlinkEPSS 46%
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High 8.6
CVE-2026-20230 KEV Jun 25, 2026 Cisco Unified Communications Manager Server-Side Request Forgery VulnerabilityEPSS 89%
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Critical 10.0
CVE-2026-34908 KEV Jun 23, 2026 A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi OS devices to make unauthorized changes to t…EPSS 89%
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Critical 10.0
CVE-2026-34910 KEV Jun 23, 2026 A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection.EPSS 90%
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Critical 10.0
CVE-2026-34909 KEV Jun 23, 2026 A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system th…EPSS 69%
- Critical 9.8 EPSS 21%
Critical new vulnerabilities
Published this week with a CVSS score of 9.0 or higher, most likely to be exploited first.
- Critical 9.9 EPSS 7.9%
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Critical 9.9
CVE-2026-56274 Flowise - Remote Code Execution via MCP Security Bypass in validateCommandFlags and validateArgsForLocalFileAccessEPSS 7.5%
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Critical 9.2
CVE-2026-54069 SiYuan: Unauthenticated Admin API Access via Blanket chrome-extension:// Origin AllowlistEPSS 7.5%
- Critical 9.8 EPSS 4.4%
- Critical 10.0 EPSS 3.3%
- Critical 9.5 EPSS 3%
- Critical 9.8 EPSS 2.9%
- Critical 9.1 EPSS 2.7%
- Critical 9.1 EPSS 2.7%
- Critical 9.1 EPSS 2.7%
- Critical 9.1 EPSS 2.7%
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Critical 9.0
CVE-2026-11374 Account Takeover via Predictable SSO Ticket GenerationEPSS 2.5%
Zohocorp · ManageEngine ADSelfService Plus · ManageEngine ADAudit Plus · manageengine_m365_manager_plus
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Critical 10.0
CVE-2026-49869 Kestra: Unauthenticated Remote Code Execution via Authentication Bypass in `AuthenticationFilter`EPSS 2.1%
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Critical 9.4
CVE-2026-28496 FOSSBilling: Server-side template injection in Twig template rendering enables information disclosure and RCEEPSS 1.9%
- Critical 9.0 EPSS 1.8%
Not critical, but likely targeted
New this week with the highest EPSS — a lower CVSS score does not mean nobody will use them.
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High 8.8
CVE-2026-9787 Quest NetVault Backup NVBULogDaemon Command Injection Remote Code Execution VulnerabilityEPSS 5.5%
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High 8.8
CVE-2026-50741 Bypass to the fix for CVE-2026-34916. Variants of such vectors have been also reported by phucrio and offsetmd. The fix can be bypassed either by sending a dis…EPSS 4.9%
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Medium 5.9
CVE-2026-54068 SiYuan: Unauthenticated SQLite Data Exfiltration via Template Injection in /api/icon/getDynamicIconEPSS 4.3%
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High 7.5
CVE-2026-48933 A flaw in Node.js WebCrypto implementation can crash the process if the input of `subtle.encrypt()` is a multiple of 2GiB. This vulnerability affects all suppo…EPSS 3.7%
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High 7.7
CVE-2026-48618 A flaw in Node.js TLS hostname handling can cause Node.js unicode dot separator handling can lead to tls wildcard-depth authentication bypass due to resolver a…EPSS 3.1%
- High 8.8 EPSS 2.4%
- High 8.8 EPSS 2.4%
- High 7.2 EPSS 2.2%
Advisories
- SUSE / openSUSE Security Updates 391164 critical
- Red Hat Security Advisories (RHSA) 19339 critical
- Rocky Linux Security Advisories 90
- BSI CERT-Bund (WID) 892 critical
- AlmaLinux Security Advisories 62
- Ubuntu Security Notices (USN) 285 critical
- CISA ICS & IT advisories 132 critical
- NCSC-NL (Netherlands) 3
- ABB PSIRT 2
- SUSE-SU-2026:2482-1 Security update for the Linux Kernel 103 CVEs
- SUSE-SU-2026:2591-1 Security update for the Linux Kernel 102 CVEs
- openSUSE-SU-2026:11126-1 velociraptor-0.7.0.4.git185.a5708584-2.1 on GA media 49 CVEs
- SUSE-SU-2026:2658-1 Security update for the Linux Kernel 29 CVEs
- RHSA-2026:29940 Red Hat Security Advisory: thunderbird security update 29 CVEs
- SUSE-SU-2026:2630-1 Security update for the Linux Kernel 29 CVEs
- SUSE-SU-2026:22351-1 Security update for MozillaFirefox 29 CVEs
- openSUSE-SU-2026:21043-1 Security update for MozillaFirefox 29 CVEs
- SUSE-SU-2026:2583-1 Security update for MozillaFirefox 29 CVEs
- RHSA-2026:27734 Red Hat Security Advisory: firefox security update 29 CVEs