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Exploited vulnerabilities (CISA KEV)
CVEs with exploitation confirmed by CISA (Known Exploited Vulnerabilities), with required actions and deadlines.
CVE-2026-42897
Medium · 6.1
KEV High · 50 Public exploit CWE-79 May 14, 2026
Microsoft Exchange Server Cross-Site Scripting Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-20182
Critical · 10.0
KEV Urgent · 81 Public exploit CWE-287 May 14, 2026
Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability
May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and fixed after the was disclosed in February 2026. This new advisory is for a new vulnerability in the control connection handshaking. The section of this advisory includes Show Control Connections guidance to help with system checks.
A vulnerability in the peering authentication in Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, and Cisco Catalyst SD-WAN Validator, formerly SD-WAN vBond, could allow an unauthenticated, remote attacker to bypass authentication and obtain administrative privileges on an affected system.
This vulnerability exists because the peering authentication mechanism in an affected system is not working properly. An attacker could exploit this vulnerability by sending crafted requests to the affected system. A successful exploit could allow the attacker to log in to an affected Cisco Catalyst SD-WAN Controller as an internal, high-privileged, non-root user account. Using this account, the attacker could access NETCONF, which would then allow the attacker to manipulate network configuration for the SD-WAN fabric.
CVE-2026-0257
Critical · 9.1
KEV Urgent · 80 Public exploit Ransomware CWE-565 May 13, 2026
Palo Alto Networks PAN-OS Authentication Bypass Vulnerability
Authentication bypass vulnerabilities in the GlobalProtect portal and gateway of Palo Alto Networks PAN-OS® software allows the attacker to bypass security restrictions and establish an unauthorized VPN connection.
Panorama and Cloud NGFW are not impacted by these issues.
CVE-2026-45321
Critical · 9.6
KEV Urgent · 71 Public exploit Ransomware CWE-506 May 11, 2026
TanStack Unspecified Vulnerability
On 2026-05-11, between approximately 19:20 and 19:26 UTC, 84 malicious versions across 42 @tanstack/* packages were published to the npm registry. The publishes were authenticated via the legitimate GitHub Actions OIDC trusted-publisher binding for TanStack/router, but the publish workflow itself was not modified. The attacker chained three known vulnerability classes — a pull_request_target "Pwn Request" misconfiguration, GitHub Actions cache poisoning across the fork↔base trust boundary, and runtime memory extraction of the OIDC token from the Actions runner process — to publish credential-stealing malware under a trusted identity. Each affected package received exactly two malicious versions, published a few minutes apart.
CVE-2026-42271
High · 8.8
KEV Urgent · 76 Public exploit CWE-77 May 8, 2026
BerriAI LiteLLM Command Injection Vulnerability
LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. From version 1.74.2 to before version 1.83.7, two endpoints used to preview an MCP server before saving it — POST /mcp-rest/test/connection and POST /mcp-rest/test/tools/list — accepted a full server configuration in the request body, including the command, args, and env fields used by the stdio transport. When called with a stdio configuration, the endpoints attempted to connect, which spawned the supplied command as a subprocess on the proxy host with the privileges of the proxy process. The endpoints were gated only by a valid proxy API key, with no role check. Any authenticated user — including holders of low-privilege internal-user keys — could therefore run arbitrary commands on the host. This issue has been patched in version 1.83.7.
CVE-2026-42208
Critical · 9.8
KEV Urgent · 82 Public exploit CWE-89 May 8, 2026
BerriAI LiteLLM SQL Injection Vulnerability
LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. From version 1.81.16 to before version 1.83.7, a database query used during proxy API key checks mixed the caller-supplied key value into the query text instead of passing it as a separate parameter. An unauthenticated attacker could send a specially crafted Authorization header to any LLM API route (for example POST /chat/completions) and reach this query through the proxy's error-handling path. An attacker could read data from the proxy's database and may be able to modify it, leading to unauthorised access to the proxy and the credentials it manages. This issue has been patched in version 1.83.7.
CVE-2026-6973
High · 7.2
KEV High · 54 CWE-20 May 7, 2026
Ivanti Endpoint Manager Mobile (EPMM) Improper Input Validation Vulnerability
An Improper Input Validation in Ivanti EPMM before versions 12.6.1.1, 12.7.0.1, and 12.8.0.1 allows a remotely authenticated user with administrative access to achieve remote code execution.
CVE-2026-0300
Critical · 9.8
KEV High · 69 Public exploit CWE-787 May 6, 2026
Palo Alto Networks PAN-OS Out-of-bounds Write Vulnerability
A buffer overflow vulnerability in the User-ID™ Authentication Portal (aka Captive Portal) service of Palo Alto Networks PAN-OS software allows an unauthenticated attacker to execute arbitrary code with root privileges on the PA-Series and VM-Series firewalls by sending specially crafted packets.
The risk of this issue is greatly reduced if you secure access to the User-ID™ Authentication Portal per the best practice guidelines https://knowledgebase.paloaltonetworks.com/KCSArticleDetail by restricting access to only trusted internal IP addresses.
Prisma Access, Cloud NGFW and Panorama appliances are not impacted by this vulnerability.
CVE-2026-41940
Critical · 9.8
KEV Urgent · 93 Public exploit Ransomware CWE-306 Apr 29, 2026
WebPros cPanel & WHM and WP2 (WordPress Squared) Missing Authentication for Critical Function Vulnerability
cPanel and WHM versions after 11.40 contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel.
CVE-2026-31431
High · 7.8
KEV Urgent · 72 Public exploit CWE-669 Apr 22, 2026
Linux Kernel Incorrect Resource Transfer Between Spheres Vulnerability
In the Linux kernel, the following vulnerability has been resolved:
crypto: algif_aead - Revert to operating out-of-place
This mostly reverts commit 72548b093ee3 except for the copying of
the associated data.
There is no benefit in operating in-place in algif_aead since the
source and destination come from different mappings. Get rid of
all the complexity added for in-place operation and just copy the
AD directly.
CVE-2026-33825
High · 7.8
KEV High · 62 Public exploit Ransomware CWE-1220 Apr 14, 2026
Microsoft Defender Insufficient Granularity of Access Control Vulnerability
Insufficient granularity of access control in Microsoft Defender allows an authorized attacker to elevate privileges locally.
CVE-2026-33824
Critical · 9.8
KEV High · 65 Public exploit CWE-415 Apr 14, 2026
Microsoft Internet Key Exchange (IKE) Service Extensions Double Free Vulnerability
Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.
CVE-2026-32201
Medium · 6.5
KEV High · 62 Public exploit CWE-20 Apr 14, 2026
Microsoft SharePoint Server Improper Input Validation Vulnerability
Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-32202
Medium · 4.3
KEV High · 66 Public exploit CWE-693 Apr 14, 2026
Microsoft Windows Protection Mechanism Failure Vulnerability
Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-39808
Critical · 9.8
KEV Urgent · 73 Public exploit CWE-78 Apr 14, 2026
Fortinet FortiSandbox OS Command Injection Vulnerability
A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox 4.4.0 through 4.4.8 may allow attacker to execute unauthorized code or commands via <insert attack vector here>
CVE-2025-61624
Medium · 6.5
KEV High · 48 CWE-22 Apr 14, 2026
Fortinet Multiple Products Path Traversal Vulnerability
An Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') [CWE-22] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiPAM 1.7.0, FortiPAM 1.6 all versions, FortiPAM 1.5 all versions, FortiPAM 1.4 all versions, FortiPAM 1.3 all versions, FortiPAM 1.2 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions, FortiProxy 7.6.0 through 7.6.4, FortiProxy 7.4.0 through 7.4.11, FortiProxy 7.2 all versions, FortiProxy 7.0 all versions, FortiSwitchManager 7.2.0 through 7.2.7, FortiSwitchManager 7.0.0 through 7.0.6 may allow an authenticated attacker with admin profile and at least read-write permissions to write or delete arbitrary files via specific CLI commands.
CVE-2026-34621
High · 8.6
KEV High · 59 Public exploit CWE-1321 Apr 11, 2026
Adobe Acrobat and Reader Prototype Pollution Vulnerability
Acrobat Reader versions 24.001.30356, 26.001.21367 and earlier are affected by an Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
CVE-2026-34486
High · 7.5
KEV High · 68 Public exploit CWE-311 Apr 9, 2026
Apache Tomcat Missing Encryption of Sensitive Data Vulnerability
Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the fix for CVE-2026-29146 allowing the bypass of the EncryptInterceptor.
This issue affects Apache Tomcat: 11.0.20, 10.1.53, 9.0.116.
Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue.
CVE-2026-39987
Critical · 9.8
KEV Urgent · 81 Public exploit CWE-306 Apr 9, 2026
Marimo Remote Code Execution Vulnerability
marimo is a reactive Python notebook. Prior to 0.23.0, Marimo has a Pre-Auth RCE vulnerability. The terminal WebSocket endpoint /terminal/ws lacks authentication validation, allowing an unauthenticated attacker to obtain a full PTY shell and execute arbitrary system commands. Unlike other WebSocket endpoints (e.g., /ws) that correctly call validate_auth() for authentication, the /terminal/ws endpoint only checks the running mode and platform support before accepting connections, completely skipping authentication verification. This vulnerability is fixed in 0.23.0.
CVE-2026-34197
High · 8.8
KEV Urgent · 76 Public exploit CWE-20 Apr 7, 2026
Apache ActiveMQ Improper Input Validation Vulnerability
Improper Input Validation, Improper Control of Generation of Code ('Code Injection') vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ.
Apache ActiveMQ Classic exposes the Jolokia JMX-HTTP bridge at /api/jolokia/ on the web console. The default Jolokia access policy permits exec operations on all ActiveMQ MBeans (org.apache.activemq:*), including
BrokerService.addNetworkConnector(String) and BrokerService.addConnector(String).
An authenticated attacker can invoke these operations with a crafted discovery URI that triggers the VM transport's brokerConfig parameter to load a remote Spring XML application context using ResourceXmlApplicationContext.
Because Spring's ResourceXmlApplicationContext instantiates all singleton beans before the BrokerService validates the configuration, arbitrary code execution occurs on the broker's JVM through bean factory methods such as Runtime.exec().
This issue affects Apache ActiveMQ Broker: before 5.19.4, from 6.0.0 before 6.2.3; Apache ActiveMQ All: before 5.19.4, from 6.0.0 before 6.2.3; Apache ActiveMQ: before 5.19.4, from 6.0.0 before 6.2.3.
Users are recommended to upgrade to version 5.19.4 or 6.2.3, which fixes the issue
CVE-2026-35616
Critical · 9.8
KEV Urgent · 73 Public exploit CWE-284 Apr 3, 2026
Fortinet FortiClient EMS Improper Access Control Vulnerability
A improper access control vulnerability in Fortinet FortiClientEMS 7.4.5 through 7.4.6 may allow an unauthenticated attacker to execute unauthorized code or commands via crafted requests.
CVE-2026-5281
High · 8.8
KEV High · 55 Public exploit CWE-416 Apr 1, 2026
Google Dawn Use-After-Free Vulnerability
Use after free in Dawn in Google Chrome prior to 146.0.7680.178 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)
CVE-2026-3502
High · 7.8
KEV High · 51 Public exploit CWE-494 Mar 30, 2026
TrueConf Client Download of Code Without Integrity Check Vulnerability
TrueConf Client downloads application update code and applies it without performing verification. An attacker who is able to influence the update delivery path can substitute a tampered update payload. If the payload is executed or installed by the updater, this may result in arbitrary code execution in the context of the updating process or user.
CVE-2026-33634
High · 8.8
KEV High · 69 Public exploit CWE-506 Mar 23, 2026
Aquasecurity Trivy Embedded Malicious Code Vulnerability
Trivy is a security scanner. On March 19, 2026, a threat actor used compromised credentials to publish a malicious Trivy v0.69.4 release, force-push 76 of 77 version tags in `aquasecurity/trivy-action` to credential-stealing malware, and replace all 7 tags in `aquasecurity/setup-trivy` with malicious commits. This incident is a continuation of the supply chain attack that began in late February 2026. Following the initial disclosure on March 1, credential rotation was performed but was not atomic (not all credentials were revoked simultaneously). The attacker could have use a valid token to exfiltrate newly rotated secrets during the rotation window (which lasted a few days). This could have allowed the attacker to retain access and execute the March 19 attack. Affected components include the `aquasecurity/trivy` Go / Container image version 0.69.4, the `aquasecurity/trivy-action` GitHub Action versions 0.0.1 – 0.34.2 (76/77), and the`aquasecurity/setup-trivy` GitHub Action versions 0.2.0 – 0.2.6, prior to the recreation of 0.2.6 with a safe commit. Known safe versions include versions 0.69.2 and 0.69.3 of the Trivy binary, version 0.35.0 of trivy-action, and version 0.2.6 of setup-trivy. Additionally, take other mitigations to ensure the safety of secrets. If there is any possibility that a compromised version ran in one's environment, all secrets accessible to affected pipelines must be treated as exposed and rotated immediately. Check whether one's organization pulled or executed Trivy v0.69.4 from any source. Remove any affected artifacts immediately. Review all workflows using `aquasecurity/trivy-action` or `aquasecurity/setup-trivy`. Those who referenced a version tag rather than a full commit SHA should check workflow run logs from March 19–20, 2026 for signs of compromise. Look for repositories named `tpcp-docs` in one's GitHub organization. The presence of such a repository may indicate that the fallback exfiltration mechanism was triggered and secrets were successfully stolen. Pin GitHub Actions to full, immutable commit SHA hashes, don't use mutable version tags.
CVE-2026-3055
Critical · 9.8
KEV Urgent · 82 Public exploit CWE-125 Mar 23, 2026
Citrix NetScaler Out-of-Bounds Read Vulnerability
Insufficient input validation in NetScaler ADC and NetScaler Gateway when configured as a SAML IDP leading to memory overread