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CVE-2026-81741

Groundhogg < 4.7.2 - Open Redirect via 'redirect_to' Parameter

The Groundhogg — CRM, Newsletters, and Marketing Automation WordPress plugin before 4.7.2 does not restrict the redirect target of its email preference confirmation flow to the site's own host, allowing unauthenticated attackers to redirect visitors to an arbitrary external URL by way of a crafted link.

CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Vendors
Wordpress-extensions
Products
Groundhogg
CVE-2026-126807

WuzAPI through 1.1.0 Cross-Tenant Information Disclosure via /chat/history

WuzAPI through 1.1.0 contains a cross-tenant information disclosure vulnerability in the GetHistory handler that allows authenticated users to view other tenants' chat metadata. Attackers with message history enabled can request GET /chat/history with chat_jid=index to list every user's internal ID, stored chat JIDs, and last-message times.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
—
Products
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CVE-2026-126801

Rote 1.2.0 through 2.6.0 Account Takeover via OAuth Account Merge Endpoint

Rote 1.2.0 through 2.6.0 contains an authorization bypass in the OAuth bind/merge endpoint that allows authenticated users to merge any OAuth-bound account into their own. Attackers can submit a public existingUserId and GitHub or Apple user ID to take over notes, attachments, and API keys and delete the victim account.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
—
Products
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CVE-2026-118150

Microsoft Exchange Server Elevation of Privilege Vulnerability

Authorization bypass through user-controlled key in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
Exchange Server Se
CVE-2026-28806

Improper authorization in device bulk actions and device update API allows cross-organization device control

Improper Authorization vulnerability in nerves-hub nerves_hub_web allows cross-organization device control via device bulk actions and device update API. Missing authorization checks in the device bulk actions and device update API endpoints allow authenticated users to target devices belonging to other organizations and perform actions outside of their privilege level. An attacker can select devices outside of their organization by manipulating device identifiers and perform management actions on them, such as moving them to products they control. This may allow attackers to interfere with firmware updates, access device functionality exposed by the platform, or disrupt device connectivity. In environments where additional features such as remote console access are enabled, this could lead to full compromise of affected devices. This issue affects nerves_hub: from 1.0.0 before 2.4.0.

CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
Vendors
Nerves-hub
Products
Nerves Hub Web Nerveshub
CVE-2026-110057

Microsoft Office SharePoint Information Disclosure Vulnerability

Authorization bypass through user-controlled key in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
Sharepoint Server
CVE-2026-42791

OCSP responder certificate validity period not checked in public_key

Improper Certificate Validation vulnerability in Erlang OTP public_key (pubkey_ocsp module) allows forged OCSP responses signed with an expired responder certificate to be accepted as valid. OCSP response verification in pubkey_ocsp:verify_response/5 and pubkey_ocsp:is_authorized_responder/3 in lib/public_key/src/pubkey_ocsp.erl does not check the validity period (notBefore/notAfter) of the OCSP responder certificate. An attacker who has obtained the private key of an expired CA-designated OCSP responder certificate can forge OCSP responses that Erlang/OTP accepts as valid. This affects TLS clients using OCSP stapling via the ssl application: a malicious or compromised server can present a revoked TLS certificate together with a forged OCSP response signed by an expired responder key, and the client will accept the revoked certificate as valid. It also affects applications calling public_key:pkix_ocsp_validate/5 directly, where the impact depends on the use case — server-side client certificate validation using this API may allow authentication bypass with a revoked client certificate. This issue affects OTP from OTP 27.0 before OTP 27.3.4.12, OTP 28.5.0.1, and OTP 29.0.1, corresponding to public_key from 1.16 before 1.17.1.3, 1.20.3.1, and 1.21.1.

CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
Vendors
Erlang
Products
Erlang/otp Erlang\/otp Otp
CVE-2026-91147

Cockpit: cockpit: denial of service in `cockpit-ws` due to url-root handling without a trailing slash

A flaw was found in `cockpit-ws`. This vulnerability allows a remote, unauthenticated attacker to cause a Denial of Service (DoS) by sending a specially crafted request. When the `WebService.UrlRoot` is configured and a request is made to the exact URL-root prefix without a trailing slash, `cockpit-ws` can terminate unexpectedly. This issue leads to the unavailability of the Cockpit web service.

CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Enterprise Linux Openshift Dev Spaces Openshift Devspaces and 1 more
CVE-2026-61637

Icinga Web 2: Open redirect on login page, under certain circumstances

Icinga Web 2 is an open source monitoring web interface, framework and command-line interface. Prior to versions 2.12.7 and 2.13.1, an attacker can craft a URL that, once visited by an authenticated user (or one that is able to authenticate), allows to manipulate the backend to redirect the user to any location. For this to succeed, the victim's locale in Icinga Web must be different from en_US. This issue has been patched in versions 2.12.7 and 2.13.1.

CVSS 3.1 · 3.5 Low EPSS < 1% KEV · Not listed
Vendors
—
Products
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CVE-2026-58505

geojson-vt: Uncontrolled Recursion in Nested GeoJSON GeometryCollection

geojson-vt is a JavaScript library for slicing GeoJSON data into vector tiles on the fly, primarily designed to enable rendering and interacting with large geospatial datasets on the browser side (without a server). Prior to version 6.1.1, @maplibre/geojson-vt contains an uncontrolled recursion vulnerability in its GeoJSON conversion logic. When a GeoJSONVT instance is constructed with a deeply nested GeometryCollection object, the mutually recursive functions featureToInternal and convertGeometryCollection in src/convert.ts exhaust the Node.js call stack, causing an unhandled RangeError: Maximum call stack size exceeded that terminates the process. Because the library is widely used in server-side tile services that accept GeoJSON over the network, a remote unauthenticated attacker can trigger a denial-of-service by sending a single crafted payload. No authentication is required, and no non-default library options are needed. This issue has been patched in version 6.1.1.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
—
Products
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CVE-2026-126766

OpsTree REMS through 1.0.0 Reporter Spoofing via /api/v1/incidents

OpsTree REMS through 1.0.0 contains an improper authorization vulnerability that allows authenticated users to set an incident's reporter to another user by supplying a client-controlled reporter field. Attackers can send crafted POST /api/v1/incidents or PATCH /api/v1/incidents/{id}/status requests to falsify incident attribution and corrupt the accountability audit trail.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
—
Products
—
CVE-2026-109492

Microsoft MCP Gateway Elevation of Privilege Vulnerability

Authorization bypass through user-controlled key in Microsoft MCP Gateway allows an authorized attacker to elevate privileges over a network.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
Mcp Gateway
CVE-2026-123799

SuperTokens Core: Dashboard session tokens are never checked for expiry: `isValidUserSession` ignores the stored `expiry`, so a long-expired admin session still authenticates

SuperTokens Core is an open source authentication server. From 11.0.0 until 11.0.9, 11.1.4, 11.2.4, 11.3.8, 11.4.8, 12.0.11, and 12.1.2, Dashboard.isValidUserSession treats any stored session row as valid without comparing DashboardSessionInfo.expiry to the current time. DashboardQueries.getSessionInfoWithSessionId also selects by app and session identifier without an expiry predicate, leaving the periodic DeleteExpiredDashboardSessions cleanup as the only expiration enforcement. An attacker who obtains a dashboard administrator session after its 30-day lifetime can continue using POST /recipe/dashboard/session/verify until the row is removed, and frequent Core restarts can prevent the 12-hour cleanup sweep from running. The stale session retains full dashboard read and write access, but the flaw does not provide a way to guess or acquire the random session identifier. This issue is fixed in versions 11.0.9, 11.1.4, 11.2.4, 11.3.8, 11.4.8, 12.0.11, and 12.1.2.

CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
Vendors
Supertokens
Products
Supertokens
CVE-2026-123800

SuperTokens Core: App-scoped API key can overwrite the parent connection URI domain's credentials and take over sibling applications

SuperTokens Core is an open source authentication server. From 6.0.0 until 6.0.24, 7.0.23, 8.0.7, 9.0.6, 9.1.6, 9.2.7, 9.3.5, 10.0.8, 10.1.9, 11.0.9, 11.1.4, 11.2.4, 11.3.8, 11.4.8, 12.0.11, 12.1.2, 12.2.1, and 12.3.1, Multitenancy.checkPermissionsForCreateOrUpdate in src/main/java/io/supertokens/multitenancy/Multitenancy.java does not adequately authorize updates to a parent connection URI domain or the base tenant. In a licensed multi-tenant deployment with multiple applications under one non-default connection URI domain and separate api_keys, an attacker holding one application's valid API key can update the parent domain because the CUD-target branch checks the domain without requiring the source application and tenant to be public. Because api_keys is not protected, the attacker can replace the parent key and then sibling application keys, read or modify sibling users, obtain sessions as those users, establish persistence through a sibling dashboard user, and lock out the sibling application's own key. In the advisory's v2 create or update handlers, omitting the optional identifier produces a base-tenant target that skips the permission branches and enterprise-feature gate, allowing changes to firstFactors, required secondary factors, and recipe-enabled flags that affect login integrity and availability. The base-target variant still rejects coreConfig and does not establish key theft. This issue is fixed in versions 6.0.24, 7.0.23, 8.0.7, 9.0.6, 9.1.6, 9.2.7, 9.3.5, 10.0.8, 10.1.9, 11.0.9, 11.1.4, 11.2.4, 11.3.8, 11.4.8, 12.0.11, 12.1.2, 12.2.1, and 12.3.1.

CVSS 3.1 · 9.9 Critical EPSS < 1% KEV · Not listed
Vendors
Supertokens
Products
Supertokens
CVE-2026-123804

SuperTokens Core: A session created concurrently with account unlink survives the unlink

SuperTokens Core is an open source authentication server. From 7.0.0 until 11.0.9, 11.1.4, 11.2.4, 11.3.8, 11.4.8, 12.0.11, 12.1.2, 12.2.1, and 12.3.1, createNewSession can resolve a primary user before unlinkAccounts detaches a login method and then insert the session after unlink has enumerated and revoked the existing sessions. A user who controls the linked login method can exploit this race to retain a signed, database-backed, refreshable session as the former primary identity after that method is unlinked; the session persists until expiry or explicit revocation. This issue is fixed in versions 11.0.9, 11.1.4, 11.2.4, 11.3.8, 11.4.8, 12.0.11, 12.1.2, 12.2.1, and 12.3.1.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
Supertokens
Products
Supertokens
CVE-2026-96760

Authlib library contains a signature‑verification bypass vulnerability

Authlib (v1.8.0 and below) contains a signature verification bypass vulnerability. The JsonWebSignature.deserialize_json() method accepts a JSON Serialization JWS object and returns the payload as successfully verified without checking for a signature and without requiring a cryptographic key.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Vendors
Authlib
Products
Authlib
CVE-2026-13404

Royal Elementor Addons < 1.7.1066 - Unauthenticated Like Count and IP Meta Modification via wpr_likes_init

The Royal Addons for Elementor WordPress plugin before 1.7.1066 does not perform any capability or ownership check (relying only on a publicly-scrapeable nonce) before writing like-count and visitor-tracking post meta keyed on an arbitrary post ID, allowing unauthenticated users to modify that metadata on any post, including private and draft posts.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Wordpress-extensions
Products
Royal Elementor Addons