May 2026 (30)
SHub macOS Infostealer Variant 'Reaper' Spoofing Apple Security Updates
3 rules 5 TTPs 3 IOCsA new variant of the 'SHub' macOS infostealer, dubbed Reaper, uses AppleScript to display a fake security update message and install a backdoor, ultimately stealing browser data, financial documents, and cryptocurrency wallet information while bypassing Terminal-based mitigations in macOS.
CVE-2026-8851: SOGo SQL Injection Vulnerability in ACL Management
2 rules 3 TTPs 1 CVESOGo 5.12.7 is vulnerable to SQL injection in the Access Control List management functionality, allowing authenticated users to extract arbitrary data from the database by injecting SQL subqueries through the uid parameter of the addUserInAcls endpoint, which can be exfiltrated via the /acls API.
ImageMagick Magick.NET Heap Buffer Overflow Vulnerability (CVE-2026-46520)
2 rules 1 TTPA heap buffer over-write vulnerability exists in ImageMagick's IPL decoder when processing multiple images of different dimensions, affecting Magick.NET packages prior to version 14.13.1 and potentially leading to arbitrary code execution.
OpenTelemetry eBPF Instrumentation (OBI) Memcached Integer Overflow DoS
1 rule 2 TTPsA remotely reachable integer overflow in OpenTelemetry eBPF Instrumentation's (OBI) memcached text protocol parser can crash the OBI process, causing a denial of service due to unchecked arithmetic when handling large payload sizes in memcached storage commands.
NiceGUI Local File Disclosure via Docutils File Insertion (CVE-2026-45553)
2 rules 1 TTPCVE-2026-45553 allows a remote attacker to read arbitrary local files by injecting reStructuredText directives into the `ui.restructured_text()` function of a NiceGUI application, if the application passes user-controlled content to that function.
OpenTelemetry eBPF Instrumentation MongoDB Parser Denial-of-Service
2 rules 1 TTPMalformed MongoDB wire messages can trigger uncaught panics in the OpenTelemetry eBPF Instrumentation agent's MongoDB TCP parser, allowing a remote unauthenticated attacker to crash the telemetry agent and cause a denial of service.
Claude HUD Command Injection Vulnerability via COMSPEC Manipulation (CVE-2026-47092)
2 rules 1 TTP 1 CVEClaude HUD through version 0.0.12 is vulnerable to command injection (CVE-2026-47092) allowing a local attacker to execute arbitrary commands on a Windows system by manipulating the COMSPEC environment variable; this vulnerability has been patched in commit 234d9aa.
Summarize Extension Mouseover Authenticated Request Vulnerability (CVE-2026-45245)
2 rules 1 TTP 1 CVESummarize versions prior to 0.15.1 contain a vulnerability (CVE-2026-45245) in the hover summary feature that allows malicious pages to dispatch synthetic mouseover events, triggering authenticated daemon requests and potentially exposing sensitive internal endpoints.
Summarize Path Traversal Vulnerability (CVE-2026-45242)
2 rules 1 TTP 1 CVESummarize versions prior to 0.15.1 are vulnerable to path traversal in the /v1/summarize daemon endpoint, allowing authenticated callers to write files to arbitrary directories via the slidesDir request parameter and subsequently delete files.
lwIP SNMPv3 USM Handler Stack-Based Buffer Overflow (CVE-2026-8836)
2 rules 3 TTPs 1 CVEA stack-based buffer overflow vulnerability (CVE-2026-8836) exists in lwIP up to version 2.2.1 within the snmpv3 USM Handler, allowing remote attackers to execute arbitrary code by manipulating the `msgAuthenticationParameters` argument in the `snmp_parse_inbound_frame` function.
CVE-2026-32175 .NET Core Tampering Vulnerability
2 rules 1 TTP 1 CVEA tampering vulnerability exists in .NET 8.0, .NET 9.0, and .NET 10.0 due to improper handling of specially crafted files, potentially allowing an attacker to write arbitrary files and directories to specific locations on a vulnerable system with limited control over the destination.
DumbAssets Path Traversal Vulnerability (CVE-2026-45230)
2 rules 1 TTP 1 CVEDumbAssets version 1.0.11 is vulnerable to a path traversal vulnerability in the POST /api/delete-file endpoint, allowing unauthenticated attackers to delete arbitrary files, including critical files like server.js or package.json, resulting in denial of service.
OpenTelemetry eBPF Instrumentation Postgres Parser Vulnerable to Panic via Malformed BIND Payloads (CVE-2026-45678)
2 rules 1 TTPThe OpenTelemetry eBPF Instrumentation (OBI) Postgres protocol parser is vulnerable to a remote availability issue - when processing BIND messages, the parser assumes payloads contain a valid NUL-terminated portal name; a crafted empty or unterminated payload can cause OBI to slice beyond the end of the captured buffer, triggering a runtime panic and crashing the agent.
Malicious Dropper Found in mistralai PyPI Package 2.4.6
2 rules 1 TTP 3 IOCsThe mistralai PyPI package version 2.4.6 contains a malicious dropper that executes on import on Linux, downloading and executing a second-stage payload from a remote IP address, potentially leading to arbitrary code execution.
Docker Race Condition Allows Bind Mount Redirection to Host Path (CVE-2026-42306)
2 rules 2 TTPsA race condition in Docker's `docker cp` command allows a malicious container to redirect a bind mount target to an arbitrary host path by manipulating symlinks during the setup of temporary filesystem views, potentially overwriting host files or causing denial of service.
Postgrex SQL Injection Vulnerability in Notifications.listen/3 (CVE-2026-32687)
2 rules 1 TTP 1 CVEA SQL injection vulnerability exists in Postgrex versions 0.16.0 to before 0.22.2 within the `Postgrex.Notifications.listen/3` function allowing attackers to execute arbitrary SQL commands on the notifications connection by manipulating the channel name.
CloakBrowser cloakserve Unauthenticated Path Traversal Leading to Arbitrary Directory Deletion (CVE-2026-45727)
2 rules 1 TTPAn unauthenticated path traversal vulnerability exists in CloakBrowser's cloakserve component (versions 0.3.27 and earlier) where a crafted fingerprint query parameter with path traversal sequences can be used to delete arbitrary directories accessible to the service user (CVE-2026-45727).
Budibase Builder-to-Admin Privilege Escalation via Unsecured onboardUsers Endpoint
2 rules 1 TTPA privilege escalation vulnerability exists in Budibase's `onboardUsers` endpoint (CVE-2026-45716) allowing a builder-level user to create global admin accounts by bypassing the intended invite flow when SMTP is not configured, due to insufficient authorization checks and direct user creation with attacker-controlled roles.
n8n-mcp Multi-Tenant Credential Fallback Vulnerability
2 rules 1 TTPWhen ENABLE_MULTI_TENANT=true, n8n-mcp requests that omit x-n8n-url or x-n8n-key headers silently fall back to the process-level N8N_API_URL / N8N_API_KEY credentials configured for the operator's own n8n instance; an authenticated MCP tenant could cause n8n management calls to execute against the operator's instance instead of its own, leading to potential data access and code execution on the operator's n8n instance.
Multiparty Denial of Service via Prototype Pollution (CVE-2026-8161)
2 rules 1 TTP 1 CVEMultiparty versions 4.2.3 and lower are vulnerable to denial of service via prototype pollution, where a crafted multipart/form-data request with a field name colliding with an Object.prototype property triggers a TypeError, leading to an uncaught exception and process crash.
Formie Plugin Server-Side Template Injection via Hidden Fields (CVE-2026-45697)
2 rules 1 TTPA pre-authenticated server-side template injection vulnerability (CVE-2026-45697) exists in the Hidden fields of the Formie Craft plugin, allowing unauthenticated users to submit crafted values that are evaluated as Twig during submission handling, potentially leading to site compromise.
TinyIce Unauthenticated WebRTC Stream Injection Vulnerability
2 rules 1 TTPTinyIce versions 0.8.95 through 2.4.1 are vulnerable to unauthenticated stream injection due to a missing authentication check on the WebRTC ingest endpoint (/webrtc/source-offer), allowing a network attacker to hijack broadcasts by publishing arbitrary audio/video to a target mount, replacing the legitimate source's content; patched in version 2.5.0 (CVE-2026-45327).
Threat Actors Disabling AV and EDR Solutions
2 rules 2 TTPsThreat actors are actively disabling antivirus and EDR solutions through abusing Windows Firewall rules, uninstalling agents, and exploiting vulnerable drivers (BYOVD) to establish persistence, move laterally, and deploy ransomware undetected.
Prototype Pollution Vulnerability in @tmlmobilidade/utils setValueAtPath Function
2 rules 1 TTPA prototype pollution vulnerability exists in the @tmlmobilidade/utils package before version 20260509.0340.15, specifically affecting the setValueAtPath() function, potentially leading to denial of service or arbitrary code execution.
CVE-2026-42822 Azure Local Disconnected Operations (ALDO) Elevation of Privilege Vulnerability
1 rule 1 TTPCVE-2026-42822 is an elevation of privilege vulnerability in Azure Local Disconnected Operations (ALDO) due to improper authentication, allowing unauthorized network attackers to escalate privileges.
async-http-client Cookie Header Leak on Cross-Origin Redirect
2 rules 1 TTPThe async-http-client library leaks `Cookie` headers to cross-origin redirect targets due to missing header stripping in `Redirect30xInterceptor.java`, potentially exposing sensitive information to malicious third parties.
parse-nested-form-data Prototype Pollution Vulnerability (CVE-2026-45302)
1 rule 1 TTPparse-nested-form-data versions 1.0.0 and earlier are vulnerable to prototype pollution via crafted FormData field names, allowing an unauthenticated remote client to mutate `Object.prototype` and potentially corrupt application state, alter control flow, or cause denial of service.
Dozzle Pre-Auth SSRF Vulnerability via /api/notifications/test-webhook (CVE-2026-45298)
2 rules 1 TTP 1 IOCDozzle is vulnerable to a pre-authentication Server-Side Request Forgery (SSRF) vulnerability (CVE-2026-45298) in the default no-auth deployment that can expose internal resources.
Shopper Framework Authorization Bypass in Multiple Livewire Admin Components
2 rules 1 TTPMultiple Livewire components in the Shopper framework admin panel allowed authenticated low-privilege users to bypass authorization and mutate data without the required permissions, leading to potential privilege escalation and cross-site scripting.
CI4MS Stored XSS Vulnerability in Pages Module
2 rules 3 TTPs 1 IOCA stored XSS vulnerability (CVE-2026-45270) exists in the Pages module of CI4MS due to improper sanitization of page content, allowing an attacker with `pages.create` permissions to inject malicious code and escalate privileges if an administrator views the page.