Weekly digest
Week 21, 2026 (18–24 May)
213 new CVEs this week, in line with the recent average. Severity skewed high: 26 critical and 87 high, 53% of the total. 27 arrived with exploitation evidence or public exploit code already attached. CISA added 2 CVEs to the Known Exploited Vulnerabilities catalog. mozilla was the most-affected vendor with 17.
Added to CISA KEV
Confirmed exploitation in the wild — federal remediation deadlines attach to these.
CVE-2025-34291High· 8.8CISA KEVPoCLangflow versions up to and including 1.6.9 contain a chained vulnerability that enables account takeover and remote code execution
Langflow versions up to and including 1.6.9 contain a chained vulnerability that enables account takeover and remote code execution. An overly permissive CORS configuration (allow_origins='*' with allow_credentials=True) combined with a …
CVE-2026-45498Medium· 4.0CISA KEV0dayPoCMicrosoft Defender Denial of Service Vulnerability
Microsoft Defender Denial of Service Vulnerability
New this week, ranked by depth score
The 12 that matter most of the 213 published.
CVE-2026-45659High· 8.8CISA KEVPoCDeserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVE-2026-45829Critical· 10.0PoCA pre-authentication, code injection vulnerability in version 1.0.0 or later of the ChromaDB Python project allows an unauthenticated attacker to run arbitrary code on the server by sending a malicious model repository and trust_remote_c…
A pre-authentication, code injection vulnerability in version 1.0.0 or later of the ChromaDB Python project allows an unauthenticated attacker to run arbitrary code on the server by sending a malicious model repository and trust_remote_c…
CVE-2026-20223Critical· 10.0PoCA vulnerability in the access validation of internal REST APIs of Cisco Secure Workload could allow an unauthenticated, remote attacker to access site resources with the privileges of the Site Admin role. This vulnerability …
A vulnerability in the access validation of internal REST APIs of Cisco Secure Workload could allow an unauthenticated, remote attacker to access site resources with the privileges of the Site Admin role. This vulnerability …
CVE-2026-43501Critical· 9.8PoCIn the Linux kernel, the following vulnerability has been resolved: ipv6: rpl: reserve mac_len headroom when recompressed SRH grows ipv6_rpl_srh_rcv() decompresses an RFC 6554 Source Routing Header, swaps the next segment into ipv6_hdr…
In the Linux kernel, the following vulnerability has been resolved: ipv6: rpl: reserve mac_len headroom when recompressed SRH grows ipv6_rpl_srh_rcv() decompresses an RFC 6554 Source Routing Header, swaps the next segment into ipv6_hdr…
CVE-2026-8838Critical· 9.8PoCUnsafe use of Python's eval() on server-received data in the vector_in() function in amazon-redshift-python-driver before 2.1.14 allows a rogue server or man-in-the-middle actor to execute arbitrary code on the client
Unsafe use of Python's eval() on server-received data in the vector_in() function in amazon-redshift-python-driver before 2.1.14 allows a rogue server or man-in-the-middle actor to execute arbitrary code on the client. To remediate t…
CVE-2026-8836Critical· 9.8PoCA vulnerability was found in lwIP up to 2.2.1
A vulnerability was found in lwIP up to 2.2.1. Affected is the function snmp_parse_inbound_frame of the file src/apps/snmp/snmp_msg.c of the component snmpv3 USM Handler. Performing a manipulation of the argument msgAuthenticationParamet…
CVE-2026-2587Critical· 9.6PoCA critical Remote Code Execution (RCE) vulnerability was identified in the server-side template rendering mechanism used by the Glassfish gadget handler
A critical Remote Code Execution (RCE) vulnerability was identified in the server-side template rendering mechanism used by the Glassfish gadget handler. The application processes .xml files and evaluates user-supplied values within a co…
CVE-2026-2586Critical· 9.1PoCAn authenticated Remote Code Execution (RCE) vulnerability was identified in GlassFish's Administration Console
An authenticated Remote Code Execution (RCE) vulnerability was identified in GlassFish's Administration Console. A user with access to the panel can send crafted requests that allow the execution of arbitrary operating system commands wi…
CVE-2026-9018High· 8.8PoCThe Easy Elements for Elementor – Addons & Website Templates plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.4.5 via the `easyel_handle_register()` function
The Easy Elements for Elementor – Addons & Website Templates plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.4.5 via the `easyel_handle_register()` function. This is due to the `wp_ajax_…
CVE-2026-47102High· 8.8PoCLiteLLM prior to 1.83.10 allows a user to modify their own user_role via the /user/update endpoint
LiteLLM prior to 1.83.10 allows a user to modify their own user_role via the /user/update endpoint. While the endpoint correctly restricts users to updating only their own account, it does not restrict which fields may be changed. A user…
CVE-2026-47101High· 8.8PoCLiteLLM prior to 1.83.14 allows an authenticated internal_user to create API keys with access to routes that their role does not permit
LiteLLM prior to 1.83.14 allows an authenticated internal_user to create API keys with access to routes that their role does not permit. When generating a key, the allowed_routes field is stored without verifying that the specified route…
CVE-2026-43503High· 8.8PoCIn the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through frag-transfer helpers Two frag-transfer helpers (__pskb_copy_fclone() and skb_shift()) fail to propagate the SKBFL_SH…
In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through frag-transfer helpers Two frag-transfer helpers (__pskb_copy_fclone() and skb_shift()) fail to propagate the SKBFL_SH…
Most-affected vendors
By CVEs published in the period.