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May 2026 (30)

medium threat

Fortinet FortiAnalyzer and FortiManager Vulnerability Allows Denial of Service

A remote, authenticated attacker can exploit a vulnerability in Fortinet FortiAnalyzer and FortiManager to perform a denial-of-service attack, disrupting normal operations.

FortiAnalyzer +1 denial-of-service fortinet network
2r 1t
critical advisory

Fortinet FortiSandbox Vulnerability Allows Remote Code Execution

A remote, anonymous attacker can exploit a vulnerability in Fortinet FortiSandbox to execute arbitrary program code, potentially leading to system compromise.

FortiSandbox fortinet rce vulnerability
2r 1t
high advisory

Fortinet FortiOS Privilege Escalation Vulnerability

An authenticated remote attacker can exploit a vulnerability in Fortinet FortiOS to escalate their privileges.

FortiOS privilege-escalation fortinet
2r 1t
critical threat

Microsoft SQL Server Privilege Escalation Vulnerability

A remote, authenticated attacker can exploit a vulnerability in Microsoft SQL Server 2017, 2019, 2016 and 2022 to execute arbitrary code and gain administrator privileges.

SQL Server 2016 +3 privilege-escalation execution mssql
2r 2t
high advisory

Multiple Vulnerabilities in Microsoft Developer Tools

Multiple vulnerabilities in Microsoft developer tools and platforms could allow an attacker to achieve arbitrary code execution, data manipulation, privilege escalation, bypassing security measures, information disclosure, and denial of service.

Visual Studio 2017 +11 vulnerability code-execution privilege-escalation denial-of-service windows cloud
3r 6t
high advisory

Multiple Vulnerabilities in Microsoft Azure and Windows Admin Center

Multiple vulnerabilities in Microsoft Azure and Windows Admin Center allow an attacker to escalate privileges, spoof information, and bypass security measures.

Azure +1 windows privilege-escalation defense-evasion
2r 2t
medium advisory

VMware Tanzu Spring Framework Security Bypass Vulnerability

A remote, anonymous attacker can exploit a vulnerability in VMware Tanzu Spring Framework to bypass security measures.

Tanzu Spring Framework security-bypass vmware spring-framework
2r 1t
medium advisory

VMware Tanzu Spring Framework Denial of Service Vulnerability

An anonymous, remote attacker can exploit a vulnerability in VMware Tanzu Spring Framework to cause a denial of service.

Tanzu Spring Framework denial-of-service spring-framework vmware
1r 1t
high advisory

Apache Cassandra Vulnerability Allows Code Execution

A local attacker can exploit a vulnerability in Apache Cassandra to execute arbitrary program code, potentially leading to complete system compromise.

Cassandra apache rce
2r 1t
medium advisory

Keycloak Vulnerability Allows Arbitrary Email Sending

An anonymous, remote attacker can exploit a vulnerability in Keycloak to send arbitrary emails, potentially leading to phishing or social engineering attacks.

Keycloak email vulnerability spoofing
2r 1t
medium advisory

Intel Server Firmware Update Utility Software Privilege Escalation Vulnerability

A local attacker can exploit a vulnerability in Intel Server Firmware Update Utility Software to escalate their privileges on the targeted system.

Server Firmware Update Utility Software privilege-escalation intel
2r 1t
high advisory

strongSwan eap-mschapv2 Plugin Vulnerability

A remote, anonymous attacker can exploit a vulnerability in strongSwan's eap-mschapv2 plugin to cause a denial of service condition or possibly execute arbitrary code.

strongSwan vulnerability denial-of-service
2r 2t
medium advisory

Langflow Vulnerability Allows Denial of Service

An authenticated remote attacker can exploit a vulnerability in Langflow to perform a denial-of-service attack, impacting system availability.

Langflow denial-of-service web-application
1r 1t
high advisory

CVE-2026-43894 jq: Wild stack write via signed-integer overflow in decNumber D2U() macro

CVE-2026-43894 is a vulnerability related to jq involving a wild stack write via signed-integer overflow in the decNumber D2U() macro.

jq cve overflow stack write
2r 1c
medium advisory

nginx-ui Information Disclosure Vulnerability

A remote, authenticated attacker can exploit a vulnerability in nginx-ui to disclose sensitive information.

nginx-ui information-disclosure web-application
2r 1t
high advisory

Microsoft May 2026 Security Updates Address Remote Code Execution Vulnerabilities

Microsoft's May 2026 Security Updates address vulnerabilities that could allow remote attackers to execute arbitrary code on affected systems.

Microsoft products vulnerability patch rce
2r 1t 1i
medium threat

Klever-Go MultiDataInterceptor Remote OOM via Compressed Payload

Klever-Go's MultiDataInterceptor is vulnerable to a remote denial-of-service (DoS) attack. By sending a crafted compressed P2P payload, an unauthenticated attacker can trigger excessive memory allocation on the receiving node, leading to an out-of-memory (OOM) condition and potentially disrupting chain liveness.

klever-go denial-of-service decompression-bomb
2r 2t
critical advisory

Mapfish Print Remote Code Injection Vulnerability in Dynamic Table (CVE-2026-44672)

An unauthenticated remote code injection vulnerability (CVE-2026-44672) exists in Mapfish Print's Dynamic table functionality, allowing attackers to execute arbitrary code on the server.

print-lib +1 remote-code-execution code-injection mapfish web-application
2r 1t
high advisory

CVE-2026-5371: MonsterInsights WordPress Plugin Unauthorized Access Vulnerability

The MonsterInsights WordPress plugin through 10.1.2 is vulnerable to unauthorized access and data modification, allowing authenticated attackers with subscriber-level access to retrieve Google OAuth tokens and reset Google Ads integration due to missing capability checks on `get_ads_access_token()` and `reset_experience()` functions.

MonsterInsights – Google Analytics Dashboard for WordPress wordpress plugin analytics oauth googleads CVE-2026-5371
2r 2t 1c
high advisory

WordPress Court Reservation Plugin SQL Injection Vulnerability (CVE-2026-1250)

The Court Reservation – Manage Your Court Bookings Online plugin for WordPress versions 1.10.11 and earlier are vulnerable to SQL injection via the 'id' parameter, enabling unauthenticated attackers to extract sensitive database information.

The Court Reservation – Manage Your Court Bookings Online plugin for WordPress <= 1.10.11 sql-injection wordpress plugin CVE-2026-1250 web-application
2r 1t 1c
medium advisory

UltraJSON Memory Leak in ujson.dump() on Write Failure (CVE-2026-44660)

A memory leak vulnerability exists in UltraJSON's `ujson.dump()` function; when writing to a file-like object, if the write operation raises an exception, the serialized JSON string object is not properly de-referenced, leading to a memory leak (CVE-2026-44660).

ujson memory leak denial of service python CVE-2026-44660
2r 1t
high advisory

esm.sh Path Traversal Vulnerability via package.json Browser Field

A local file inclusion (LFI) vulnerability exists in the esbuild plugin's handling of the `browser` field in `package.json` within esm.sh, allowing an attacker to publish a malicious npm package that causes the server to read arbitrary files from the host filesystem.

esm.sh path traversal local file inclusion npm esbuild
2r 1t
medium advisory

SillyTavern Session Reuse After Password Change

SillyTavern versions 1.17.0 and earlier do not invalidate existing sessions after a password change, allowing attackers with stolen session cookies to retain access, even after the victim resets their password, and nullifies the password reset as a recovery measure against session theft.

sillytavern credential-access session-reuse web-application
2r 1t
critical advisory

SillyTavern Authentication Bypass via HTTP Header Injection (CVE-2026-44649)

SillyTavern versions 1.17.0 and earlier are vulnerable to an authentication bypass (CVE-2026-44649) via HTTP header injection, where the application accepts Remote-User and X-Authentik-Username headers for SSO without proper validation, allowing attackers to impersonate any user, including administrators, if SSO is enabled.

sillytavern authentication-bypass header-injection account-takeover cve-2026-44649
2r 1t
critical advisory

SillyTavern Unauthenticated Path Traversal in Extensions API

SillyTavern versions 1.17.0 and earlier contain a path traversal vulnerability, CVE-2026-44650, in the `/api/extensions/delete` endpoint (and others), allowing an unauthenticated user to delete the entire extensions directory by providing '.' as the extension name, leading to data loss and potential remote exploitation via chaining with CVE-2025-59159.

sillytavern path-traversal web-application CVE-2026-44650
2r 1t 1c
high advisory

Heym Path Traversal Vulnerability in File Upload Endpoint (CVE-2026-45225)

Heym before 0.0.21 is vulnerable to path traversal, allowing authenticated users to write attacker-controlled files to arbitrary locations by exploiting the unvalidated filename parameter in the upload_file() handler (CVE-2026-45225).

Heym +1 path-traversal file-upload CVE-2026-45225
2r 1t 1c
high advisory

CVE-2026-8449: Linux ksmbd Remote Memory Corruption Vulnerability

A remote memory corruption vulnerability exists in Linux ksmbd that allows remote clients with directory creation permissions to trigger a heap out-of-bounds read and subsequent heap corruption by setting a crafted DACL with a malformed SID, potentially leading to kernel instability, denial of service, or privilege escalation.

ksmbd privilege-escalation defense-evasion impact memory corruption
2r 3t 1c
high threat

Heym Sandbox Escape Vulnerability (CVE-2026-45227)

Heym before 0.0.21 is vulnerable to a sandbox escape (CVE-2026-45227) in the custom Python tool executor, allowing authenticated workflow authors to bypass restrictions and execute arbitrary host commands as the backend service user.

Heym sandbox-escape python code-execution
2r 2t 1c
high advisory

Heym Authorization Bypass Vulnerability CVE-2026-45226

Heym before 0.0.21 contains an authorization bypass vulnerability (CVE-2026-45226) that allows authenticated users to execute arbitrary workflows by referencing victim workflow UUIDs, leading to exposure of outputs and unintended side effects.

Heym authorization-bypass workflow-execution cve
2r 1t 1c
critical advisory

Compromised OpenSearch Pre-Release npm Packages in Supply Chain Attack

Multiple npm and PyPi packages, including OpenSearch pre-release packages, were compromised in a supply chain attack, potentially leading to arbitrary code execution on developer or user systems.

OpenSearch +2 supply-chain-compromise npm pypi
2r 1t