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| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2026-2673 | 1 Openssl | 1 Openssl | 2026-05-18 | 6.5 Medium |
| Issue summary: An OpenSSL TLS 1.3 server may fail to negotiate the expected preferred key exchange group when its key exchange group configuration includes the default by using the 'DEFAULT' keyword. Impact summary: A less preferred key exchange may be used even when a more preferred group is supported by both client and server, if the group was not included among the client's initial predicated keyshares. This will sometimes be the case with the new hybrid post-quantum groups, if the client chooses to defer their use until specifically requested by the server. If an OpenSSL TLS 1.3 server's configuration uses the 'DEFAULT' keyword to interpolate the built-in default group list into its own configuration, perhaps adding or removing specific elements, then an implementation defect causes the 'DEFAULT' list to lose its 'tuple' structure, and all server-supported groups were treated as a single sufficiently secure 'tuple', with the server not sending a Hello Retry Request (HRR) even when a group in a more preferred tuple was mutually supported. As a result, the client and server might fail to negotiate a mutually supported post-quantum key agreement group, such as 'X25519MLKEM768', if the client's configuration results in only 'classical' groups (such as 'X25519' being the only ones in the client's initial keyshare prediction). OpenSSL 3.5 and later support a new syntax for selecting the most preferred TLS 1.3 key agreement group on TLS servers. The old syntax had a single 'flat' list of groups, and treated all the supported groups as sufficiently secure. If any of the keyshares predicted by the client were supported by the server the most preferred among these was selected, even if other groups supported by the client, but not included in the list of predicted keyshares would have been more preferred, if included. The new syntax partitions the groups into distinct 'tuples' of roughly equivalent security. Within each tuple the most preferred group included among the client's predicted keyshares is chosen, but if the client supports a group from a more preferred tuple, but did not predict any corresponding keyshares, the server will ask the client to retry the ClientHello (by issuing a Hello Retry Request or HRR) with the most preferred mutually supported group. The above works as expected when the server's configuration uses the built-in default group list, or explicitly defines its own list by directly defining the various desired groups and group 'tuples'. No OpenSSL FIPS modules are affected by this issue, the code in question lies outside the FIPS boundary. OpenSSL 3.6 and 3.5 are vulnerable to this issue. OpenSSL 3.6 users should upgrade to OpenSSL 3.6.2 once it is released. OpenSSL 3.5 users should upgrade to OpenSSL 3.5.6 once it is released. OpenSSL 3.4, 3.3, 3.0, 1.0.2 and 1.1.1 are not affected by this issue. | ||||
| CVE-2026-42009 | 1 Redhat | 3 Enterprise Linux, Hummingbird, Openshift | 2026-05-18 | 7.5 High |
| A flaw was found in gnutls. A remote attacker could exploit an issue in the Datagram Transport Layer Security (DTLS) packet reordering logic. The comparator function, responsible for ordering DTLS packets by sequence numbers, did not correctly handle packets with duplicate sequence numbers. This could lead to unstable packet ordering or undefined behavior, resulting in a denial of service. | ||||
| CVE-2026-40020 | 2 Dovecot, Open-xchange | 3 Dovecot, Dovecot, Ox Dovecot Pro | 2026-05-18 | 3.1 Low |
| Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imap_acl_allow_anyone=no. This causes folders to be spammed to all users. The impact is limited to being able to spam folders to other users, no unexpected access is gained. Install to fixed version. No publicly available exploits are known. | ||||
| CVE-2026-45495 | 1 Microsoft | 1 Edge Chromium | 2026-05-18 | 8.8 High |
| Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | ||||
| CVE-2026-32849 | 2026-05-18 | 5.5 Medium | ||
| NetBSD prior to commit ec8451e contains a signed integer overflow vulnerability in the cryptodev_op() function in sys/opencrypto/cryptodev.c where the local variable iov_len is declared as a signed int but assigned from an unsigned cop->dst_len value, causing undefined behavior when cop->dst_len exceeds INT_MAX. A local attacker with access to /dev/crypto and a compression session type can exploit this vulnerability by providing a dst_len value exceeding INT_MAX to trigger a kernel panic through NULL pointer dereference when CONFIG_SVS is disabled and corrupted UIO pointer arithmetic. | ||||
| CVE-2026-45242 | 2026-05-18 | 7.1 High | ||
| Summarize prior to 0.15.1 contains a path traversal vulnerability in the /v1/summarize daemon endpoint that allows authenticated callers to write files to arbitrary directories by supplying an absolute path or directory traversal sequence in the slidesDir request parameter. Attackers can exploit this to write slide_*.png and slides.json files to any writable directory and subsequently delete matching files at the specified location through repeat extraction. | ||||
| CVE-2021-47977 | 2 Gotmls, Wordpress | 2 Malware Security And Bruteforce Firewall, Wordpress | 2026-05-18 | 7.5 High |
| WordPress Plugin Anti-Malware Security and Bruteforce Firewall 4.20.59 contains a directory traversal vulnerability that allows unauthenticated attackers to read arbitrary files by manipulating the file parameter. Attackers can send requests to the duplicator_download action via admin-ajax.php with path traversal sequences to access sensitive system files outside the intended directory. | ||||
| CVE-2021-47971 | 1 My-notes-safe | 1 My Notes Safe | 2026-05-18 | 7.5 High |
| My Notes Safe 5.3 contains a denial of service vulnerability that allows attackers to crash the application by pasting excessively long character strings into note fields. Attackers can generate a payload containing 350000 repeated characters and paste it twice into a new note to trigger an application crash. | ||||
| CVE-2021-47954 | 1 Layerbb | 1 Layerbb | 2026-05-18 | 8.2 High |
| LayerBB 1.1.4 contains an SQL injection vulnerability that allows unauthenticated attackers to manipulate database queries by injecting SQL code through the search_query parameter. Attackers can send POST requests to /search.php with malicious search_query values using CASE WHEN statements to extract sensitive database information. | ||||
| CVE-2026-8836 | 1 N | 1 Lwip | 2026-05-18 | 9.8 Critical |
| 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 msgAuthenticationParameters results in stack-based buffer overflow. The attack may be initiated remotely. The patch is named 0c957ec03054eb6c8205e9c9d1d05d90ada3898c. It is suggested to install a patch to address this issue. | ||||
| CVE-2026-45231 | 2026-05-18 | 6.1 Medium | ||
| DumbAssets through 1.0.11 contains a stored cross-site scripting vulnerability in asset fields including name, description, modelNumber, serialNumber, and tags that are stored without server-side sanitization and rendered using innerHTML without client-side escaping. Attackers can create or update assets with HTML or JavaScript payloads via the asset API endpoints to execute arbitrary scripts in the browsers of users viewing the asset list, and with Content-Security-Policy disabled, the injected scripts can make unrestricted connections to internal network services. | ||||
| CVE-2026-44551 | 2 Open-webui, Openwebui | 2 Open-webui, Open Webui | 2026-05-18 | 9.1 Critical |
| Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the LDAP authentication endpoint does not validate that the submitted password is non-empty before performing a Simple Bind against the LDAP server. The LdapForm Pydantic model accepts password: str with no minimum length constraint, so an empty string passes validation. The subsequent Connection.bind() call succeeds on vulnerable LDAP servers, and the application issues a full session token for the target user. This vulnerability is fixed in 0.9.0. | ||||
| CVE-2026-33377 | 1 Grafana | 1 Grafana | 2026-05-18 | 7.1 High |
| An Editor can overwrite a dashboard not owned by them to acquire admin on that specific dashboard. The user must have write access to the dashboard to escalate privilege. | ||||
| CVE-2026-42822 | 1 Microsoft | 2 Azure Local, Azure Resource Manager | 2026-05-18 | 10 Critical |
| Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges over a network. | ||||
| CVE-2020-37227 | 2 Heliossolutions, Wordpress | 2 Hs Brand Logo Slider, Wordpress | 2026-05-18 | 8.8 High |
| HS Brand Logo Slider 2.1 contains an unrestricted file upload vulnerability that allows authenticated users to bypass client-side file extension validation by uploading arbitrary files. Attackers can intercept upload requests to the logoupload parameter in the admin interface and rename files to executable extensions .php to achieve remote code execution. | ||||
| CVE-2025-4202 | 2 Multicollab, Wordpress | 2 Multicollab: Content Team Collaboration And Editorial Workflow, Wordpress | 2026-05-18 | 4.3 Medium |
| The Multicollab: Content Team Collaboration and Editorial Workflow plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'cf_add_comment' function in all versions up to, and including, 5.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to add comments to arbitrary collaborations. | ||||
| CVE-2020-37228 | 1 Yerootech | 1 Ids6 Dsspro Digital Signage System | 2026-05-18 | 9.8 Critical |
| iDS6 DSSPro Digital Signage System 6.2 contains a CAPTCHA security bypass vulnerability that allows attackers to bypass authentication by requesting the autoLoginVerifyCode object. Attackers can retrieve valid CAPTCHA codes via the login endpoint and use them to perform brute-force attacks against user accounts. | ||||
| CVE-2020-37234 | 1 Tonec | 1 Internet Download Manager | 2026-05-18 | 6.2 Medium |
| Internet Download Manager 6.38.12 contains a buffer overflow vulnerability in the Scheduler component that allows local attackers to crash the application by supplying oversized input. Attackers can paste malicious data exceeding 5000 bytes into the 'Open the following file when done' field to trigger a denial of service condition. | ||||
| CVE-2020-37240 | 1 Pamzey | 1 Patients Waiting Area Queue Management System | 2026-05-18 | 6.4 Medium |
| Queue Management System 4.0.0 contains a stored cross-site scripting vulnerability that allows authenticated administrators to inject malicious scripts through user creation fields. Attackers can insert JavaScript payloads in the First Name, Last Name, and Email fields during user creation, which execute when viewing the User List page. | ||||
| CVE-2020-37246 | 2 Supsystic, Wordpress | 2 Backup, Wordpress | 2026-05-18 | 6.2 Medium |
| Supsystic Backup 2.3.9 contains a local file inclusion vulnerability that allows unauthenticated attackers to read and delete arbitrary files by manipulating the download path parameter. Attackers can modify the download parameter in admin.php requests with directory traversal sequences to access sensitive files like /etc/passwd or delete files via the removeAction parameter. | ||||