May 2026 (30)
CVE-2026-46099: IPv6 NOREF DST Use Vulnerability in seg6 and rpl lwtunnels
2 rules 1 CVECVE-2026-46099 describes a vulnerability in the IPv6 network stack related to NOREF dst use in seg6 and rpl lwtunnels, requiring a security update to address potential exploitation.
CVE-2026-46072 ntfs3 Buffer Boundary Check Vulnerability
2 rules 1 CVECVE-2026-46072 is a buffer boundary check vulnerability in ntfs3 affecting an unspecified Microsoft product, requiring further investigation upon patch application to understand exploitation vectors and develop detections.
CVE-2026-45842: Unspecified Vulnerability in Microsoft Products
2 rules 1 TTP 1 CVECVE-2026-45842 is an unspecified vulnerability affecting Microsoft products, requiring further investigation to determine the specific attack vector, impact, and affected systems.
CVE-2026-44899 Mistune Image Directive CSS Injection Vulnerability
2 rules 1 CVECVE-2026-44899 is a CSS Injection vulnerability in the Mistune Image Directive, potentially allowing for malicious CSS injection if user-supplied content is not properly sanitized.
CVE-2025-71305 Published - Insufficient DP MST VCPI Protection
2 rules 1 CVEMicrosoft published CVE-2025-71305, addressing a vulnerability related to insufficient protection against zero VCPI values in DisplayPort Multi-Stream Transport (MST), although specifics on exploitation and impact are not detailed in the provided source.
CVE-2026-45843 slip: bound decode() vulnerability
1 rule 1 CVECVE-2026-45843 is a Microsoft vulnerability with unspecified details at the time of this brief.
CVE-2026-45571 go-git Crafted Repositories Modify .git Directories
2 rules 1 CVECVE-2026-45571 is a vulnerability in go-git that allows crafted repositories to modify main and submodule .git directories, potentially leading to arbitrary code execution or information disclosure.
CVE-2026-44844 eml_parser Recursion Denial-of-Service
2 rules 1 TTP 1 CVECVE-2026-44844 is a denial-of-service vulnerability in Microsoft's eml_parser due to recursion in nested message/rfc822 attachments, potentially causing a service outage.
CVE-2026-45932 bpf: Fix tcx/netkit Detach Permissions
2 rules 1 CVECVE-2026-45932 is a vulnerability affecting the bpf component, related to tcx/netkit detach permissions when the prog fd isn't given, requiring a security update from Microsoft.
CVE-2026-45991 UDF Partition Descriptor Append Bookkeeping Vulnerability
2 rules 1 CVECVE-2026-45991 is a security vulnerability affecting a Microsoft product, related to UDF partition descriptor append bookkeeping.
CVE-2026-46084 RDMA/mana_ib: Disable RX steering on RSS QP destroy
2 rules 1 CVECVE-2026-46084 is a vulnerability related to RDMA/mana_ib that requires disabling RX steering on RSS QP destroy, potentially leading to denial of service or privilege escalation.
Crawlomatic Multipage Scraper Post Generator Plugin RCE (CVE-2026-9009)
2 rules 1 TTP 1 CVEThe Crawlomatic Multipage Scraper Post Generator plugin for WordPress is vulnerable to remote code execution (RCE) via the 'callback_raw' shortcode attribute, allowing authenticated attackers with author-level access or higher to execute arbitrary code on the server.
FUXA Unauthenticated Project Data Disclosure Vulnerability
2 rules 1 TTPFUXA v1.3.0-2773 is vulnerable to unauthenticated project data disclosure (CVE-2026-47717) via the /api/project endpoint, exposing sensitive configuration data like scripts and device settings, even with security enabled.
Yamcs Authenticated Remote Code Execution via Jython Algorithm Code Injection
2 rules 1 TTP 1 IOCYamcs is vulnerable to authenticated remote code execution (CVE-2026-46621) where an authenticated user with the ChangeMissionDatabase privilege can inject malicious Jython code into existing Python algorithms, leading to arbitrary command execution on the underlying host operating system.
Pimcore CustomReports Share Bypass Vulnerability
1 rule 2 TTPsPimcore's CustomReports feature has a share bypass vulnerability due to inconsistent authorization checks between the report listing endpoint and the report detail endpoint, allowing low-privileged users to access report configurations without explicit sharing permissions.
Cyber Extortion Economy Shifting Towards Data Theft
2 rules 4 TTPsCyber extortion is increasingly relying on data theft rather than ransomware encryption, with threat actors like Bling Libra and TGR-CRI-1135 leveraging techniques like vishing and software supply chain compromise, fueled by regulatory compliance pressures and the impending weaponization of frontier AI models.
Automad Unauthenticated Exposure of Administrator Password Hashes and TOTP Secrets
2 rules 2 TTPsAutomad versions 2.0.0-alpha.1 through 2.0.0-beta.27 are vulnerable to CVE-2026-45332, a Broken Access Control vulnerability that allows an unauthenticated attacker to retrieve bcrypt password hashes of administrator accounts using a single POST request to the `/_api/user-collection/create-first-user` endpoint, potentially leading to credential compromise and information disclosure.
GPU Mining Malware Spreads via SEO Poisoning and AI Chatbots
3 rules 6 TTPs 1 IOCA cryptojacking campaign targets systems with high-performance GPUs using SEO poisoning and manipulated AI chatbot recommendations, distributing malware disguised as legitimate software utilities to establish persistence and evade detection before deploying GPU mining programs.
Symfony Email Header / SMTP Command Injection via CRLF Characters
2 rules 1 TTPSymfony's Mime Address component is susceptible to email header and SMTP command injection due to accepting CRLF characters within email addresses, leading to potential header manipulation or unauthorized SMTP commands in symfony/mime and symfony/symfony versions prior to 5.4.52, versions 6.0.0 to before 6.4.40, versions 7.0.0 to before 7.4.12 and versions 8.0.0 to before 8.0.12.
CrowdSec AppSec WAF Bypass via Chunked/HTTP-2 Requests
2 rules 1 TTPCrowdSec AppSec component fails to read the HTTP request body for chunked/HTTP-2 requests, leading to a bypass of WAF rules targeting `REQUEST_BODY`, `BODY_ARGS`, `ARGS_POST`, `JSON`, or `XML`, enabling unauthenticated remote attackers to evade body-inspection pipelines.
Deno TLS Plaintext Injection Vulnerability
2 rules 1 TTPA vulnerability in Deno's Node.js tls compatibility layer (versions 2.0.0 to 2.7.7) allows a network attacker to intercept and tamper with plaintext application data transmitted over a supposedly TLS-protected connection when `autoSelectFamily` is enabled and the initial connection attempt fails, leading to potential information disclosure and data manipulation.
Google Chrome Security Update Released
2 rulesGoogle released a security update on May 27, 2026, to address vulnerabilities in Chrome for Desktop versions prior to 0.7778.216/217 for Windows, 148.0.7778.215/216 for Mac, and 148.0.7778.215 for Linux, requiring users to apply the necessary updates to mitigate potential exploitation.
Critical Deserialization Vulnerability in Apache ActiveMQ NMS AMQP Client (CVE-2025-54539)
2 rules 1 TTP 1 CVEA critical deserialization of untrusted data vulnerability (CVE-2025-54539) exists in Apache ActiveMQ NMS AMQP Client <= v2.3.0, where an attacker controlling or impersonating an AMQP broker can send malicious serialized data that the client deserializes unsafely, allowing arbitrary code execution on the client system.
LiquidJS Remote Code Execution Vulnerability
2 rules 1 TTPA remote code execution vulnerability exists in LiquidJS versions prior to 10.26.0, where crafted templates can execute arbitrary code by manipulating the `valueOf` filter and leveraging function calls via a comparable gadget.
Threat Actors Spoofing FIFA Websites in Advance of the 2026 World Cup
2 rules 1 TTP 36 IOCsCyber threat actors are conducting spoofing attacks against FIFA websites in advance of the 2026 FIFA World Cup to steal personal information and facilitate monetary scams.
Kirby CMS Stored XSS Vulnerability in KirbyTags and Image Blocks (CVE-2026-45368)
2 rules 1 TTPKirby CMS is vulnerable to stored cross-site scripting (XSS) due to insufficient sanitization of links within KirbyTags and image blocks, allowing authenticated users with content editing privileges to inject malicious JavaScript that executes when other users interact with the crafted links on the site frontend; patched in versions 4.9.1 and 5.4.1.
Daemon Tools Lite Embedded Malicious Code Vulnerability
2 rules 1 CVEDaemon Tools Lite contains an unspecified vulnerability (CVE-2026-8398) that has a high impact on confidentiality, integrity, and availability, requiring immediate mitigation or discontinuation of use.
Nx Console Compromised Extension Harvesting Credentials (CVE-2026-48027)
2 rules 1 TTP 1 CVENx Console contained an embedded malicious code vulnerability (CVE-2026-48027) which allowed a malicious version of the extension to be published and harvest credentials from disk and memory.
Pimcore WebDAV Asset MOVE Missing Authorization Vulnerability
2 rules 2 TTPsPimcore's WebDAV asset endpoint exposes a `MOVE` operation without authentication, allowing unauthenticated remote attackers to delete assets if they know two existing asset paths in the same directory; Authenticated low-privileged users may also be able to perform unauthorized asset move or overwrite operations because the move path does not enforce `rename`, `delete`, `create`, or `publish` permissions, leading to data loss, content integrity loss, and service disruption.
Pimcore Unsafe PHP Deserialization Vulnerability (CVE-2026-45162)
2 rules 1 TTPPimcore v11 and earlier is vulnerable to unsafe PHP deserialization in multiple locations due to missing `allowed_classes` restrictions when calling `unserialize()` on data from database columns and filesystem files; an attacker with control over serialized data sources (e.g., via SQL injection or file write vulnerabilities) can inject PHP gadget chains, leading to remote code execution.