CyberSecBulletin

Insufficient Verification of Data Authenticity

CWE-345

The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.

We track 338 vulnerabilities of this type. 100% are rated high or critical, and the average CVSS score is 8.4. 2 have been exploited in real attacks.

Latest Insufficient Verification of Data Authenticity vulnerabilities

  • 7.1 High severity

    Jexactyl: Insufficient Verification of Data Authenticity

    CVE-2026-107852Jexactyl

    Jexactyl is a customisable game management panel and billing system. Prior to 4.0.5, the POST /api/client/billing/stripe/process endpoint accepts a client-supplied Stripe Checkout Session when payment_status is paid but does not compare amount_total or currenc

  • 9.3 Critical severity

    Multi-tenant ERP System: Insufficient Verification of Data Authenticity

    CVE-2026-107102Manacle Technologies

    This vulnerability exists in the ERP system due to improper validation of payment callback parameters and inadequate authentication controls in API endpoint. An unauthenticated remote attacker could exploit this vulnerability by manipulating the parameter to c

  • 7.5 High severity

    Nexi XPay Build: Insufficient Verification of Data Authenticity

    CVE-2026-82212Nexi XPay Build

    The Nexi XPay Build WordPress plugin through 7.6.2 does not correctly validate the security token on its payment notification route, accepting the request when the target order has no stored token, which allows unauthenticated attackers to mark arbitrary order

  • 7.4 High severity

    wolfSSH: Insufficient Verification of Data Authenticity

    CVE-2026-16516wolfSSL

    wolfSSH does not validate that the ECDSA curve identifier in a KEXDH_REPLY host key blob matches the algorithm negotiated during key exchange. In ParseECCPubKey() (src/internal.c), the blob's algorithm string is used to derive the curve via NameToId/wcPrimeFor

  • 7.5 High severity

    typescript-sdk: Insufficient Verification of Data Authenticity

    CVE-2026-104850Modelcontextprotocol

    MCP TypeScript SDK is the official TypeScript SDK for Model Context Protocol servers and clients. Starting in version 1.12.0 and prior to versions 1.31.0 and 2.2.0, the SDK's OAuth client support let the MCP server a client connected to decide which authorizat

  • 7.1 High severity

    langflow: Authentication Bypass by Spoofing

    CVE-2026-105741Langflow-ai

    Langflow is a tool for building and deploying AI-powered agents and workflows. From 1.5.0 until 1.10.3, an IP spoofing vulnerability in the Model Context Protocol (MCP) configuration installation endpoint (POST /api/v1/mcp/project/{project_id}/install) allowed

  • 8.5 High severity

    Mitel MiVoice Office 400: Improper Limitation of a Pathname to a Restricted Directory

    CVE-2026-104805Mitel

    DigitalCanion has discovered a vulnerability in the backup restoration functionality that allows an attacker with access to the configured backup repository to introduce arbitrary files into the system during restoration. The specific flaw exists within the ba

  • 8.2 High severity

    BC-JAVA: Insufficient Verification of Data Authenticity

    CVE-2026-85515Legion of the Bouncy Castle

    In Bouncy Castle for Java before 1.86, a truncated OpenPGP encrypted message was accepted with no error reported, and on the SEIPD version 1 path with no integrity check performed at all. RFC 9580 sec. 13.7 permits an implementation to release the cleartext of

  • 8.2 High severity

    BC-JAVA: Insufficient Verification of Data Authenticity

    CVE-2026-71887Legion of the Bouncy Castle

    In Bouncy Castle for Java before 1.86, the high-level OpenPGP API accepted a data signature made by a signing subkey whose Subkey Binding signature carried no embedded Primary Key Binding (cross-certification) signature, in the case where that binding omits a

  • 7.5 High severity

    zebra: Insufficient Verification of Data Authenticity

    CVE-2026-104422ZcashFoundation

    The block sync download path in Zebra (zebrad) before 6.3.0 reads a block's height from its unvalidated coinbase scriptSig and drops blocks that appear too far behind the tip before consensus validation, without penalizing the supplying peer. Because V5 transa

  • 7.5 High severity

    Apache Directory LDAP API: Insufficient Verification of Data Authenticity

    CVE-2026-103878Apache

    Cleartext transmission of sensitive information vulnerability in Apache Directory LDAP API. A StartTLS extended operation started after a Search request has been sent can lead to receive data in plain text before the TLS Handshake has been completed. This issu

  • 9.8 Critical severity

    Authlib: Insufficient Verification of Data Authenticity

    CVE-2026-104056Authlib

    Authlib version 1.7.2 and below contains a vulnerability where discovery JSON metadata is cached without validation or issuer-origin binding. This allows a poisoned discovery response to replace all endpoint values with attacker-controlled values rather than e

  • 9.1 Critical severity

    Apache WSS4J: Insufficient Verification of Data Authenticity

    CVE-2026-89238Apache

    WSS4J EncryptedHeader child confusion could promote an attacker-controlled plaintext element as the decrypted header, leading to incorrect confidentiality coverage and possible policy bypass. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4

  • 8.1 High severity

    jupyterlab: Improper Neutralization of Input During Web Page Generation

    CVE-2026-102831Jupyterlab

    JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. From JupyterLab 4.5.0 until 4.5.11 and 4.6.4, from Notebook 7.5.0 until 7.6.3, and from JupyterLite Core 0.7.0 until 0.8.4, the syst

  • 8.8 High severity

    Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML…

    CVE-2026-102677Electron

    Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From 42.3.3 until 42.10.0, 43.5.0, and 44.0.0-beta.6, Electron's sandboxed preload code cache did not verify that a cached entry matched the preload it was

  • 8.2 High severity

    pyjwt: Insufficient Verification of Data Authenticity

    CVE-2026-102275Jpadilla

    PyJWT is a Python implementation of JSON Web Token standards. From 2.1.0 until 2.15.0, PyJWT OKPAlgorithm.from_jwk in jwt/algorithms.py is affected because private-JWK import path does not compare the public key derived from d with x. This occurs when an OKP p

  • 9.1 Critical severity

    pyjwt: Exposure of Sensitive Information to an Unauthorized Actor

    CVE-2026-102267Jpadilla

    PyJWT is a Python implementation of JSON Web Token standards. Prior to 2.14.0, PyJWT PyJWKClient is affected because redirect destinations are not revalidated against the JWKS trust boundary. This occurs when a configured trusted JWKS endpoint returns an attac

  • 7.5 High severity

    Sylius: Insufficient Verification of Data Authenticity

    CVE-2026-100872Sylius

    Sylius versions before 2.1.16 and 2.2.9 fail to validate payment amounts during cart recalculation, allowing unauthenticated attackers to modify order totals after gateway transaction initiation. Attackers can pay a small amount, enlarge the order after gatewa

  • 9.8 Critical severity

    oauth: Insufficient Verification of Data Authenticity

    CVE-2026-92161FriendsOfFlarum

    FriendsOfFlarum OAuth allows users to log in to Flarum with GitHub, Twitter, Facebook, and other providers. Prior to 1.7.4 and 2.0.0-beta.4, the Discord OAuth provider does not check the verified field returned for an OAuth email before passing the address to

  • 8.1 High severity

    G980H: Insufficient Verification of Data Authenticity

    CVE-2026-81630Botslab

    The Botslab G980H dash camera firmware does not adequately verify the authenticity of firmware updates. The update process retrieves firmware through an unprotected connection and relies on an integrity value supplied with the firmware instead of a trusted cry

  • 7.4 High severity

    authentik: Improper Authentication

    CVE-2026-94612Goauthentik

    authentik is an open-source identity provider. Prior to 2026.2.7, 2026.5.7, and 2026.8.2, an authentik SAML Source verifies an assertion's signature and validity period but does not ensure that the identity provider issued the assertion for that Source or in r

  • 9.8 Critical severity

    Observability Self-Hosted: Insufficient Verification of Data Authenticity

    CVE-2026-28324SolarWinds

    SolarWinds Observability Self-Hosted was found to be affected by an unauthenticated remote code execution vulnerability due to the insufficient integrity checks. Installations configured in a non-default and non-secure configuration are affected.

  • 7.1 High severity

    postiz-app: Missing Authentication for Critical Functionality

    CVE-2026-94455GitroomHQ

    An HTTP endpoint intended for provisioning enterprise and reseller organisations is reachable without any session. The authentication middleware is bound only to an explicit list of controllers, and the enterprise controller is not on that list, so no authenti

  • 7.1 High severity

    joplin: Insufficient Verification of Data Authenticity

    CVE-2026-49450Laurent22

    Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.2, Joplin Desktop for Windows omits publisherName from packages/app-desktop/package.json, so the generated app-update.yml causes NsisUpdater.

  • 9.1 Critical severity

    Eclipse Open VSX: Insufficient Verification of Data Authenticity

    CVE-2025-12999Eclipse Foundation

    UrlUtil.getBaseUrl builds the absolute URLs in a response — download links, icons, asset and API URLs — from the X-Forwarded-Host, X-Forwarded-Proto and X-Forwarded-Prefix request headers, with no check on whether the sender was a trusted proxy, falling back t

  • 7.1 High severity

    MythicalDash: Insufficient Verification of Data Authenticity

    CVE-2026-54608MythicalLTD

    MythicalDash is a Pterodactyl client area. In 3.5.4-aurora and earlier, GET /api/stripe/process in backend/app/Api/System/Gateways/Stripe.php creates a pending row in mythicaldash_stripe_payments before Stripe checkout succeeds and embeds the payment code in t

  • 8.8 High severity

    faustjs: Insufficient Verification of Data Authenticity

    CVE-2026-54239Wpengine

    Faust.js is a headless WordPress toolkit. Prior to 1.8.11, the FaustWP WordPress plugin authenticates only the ciphertext in its token envelope and excludes the 16-byte initialization vector from the HMAC in WPE\FaustWP\Auth\encrypt() and WPE\FaustWP\Auth\decr

  • 8.3 High severity

    mport: Insufficient Verification of Data Authenticity

    CVE-2026-54581MidnightBSD

    mport is the MidnightBSD Package Manager. Prior to 2.7.8, the mport_fetch_bootstrap_index() function in libmport/fetch.c could return success when bootstrap index hash verification encountered a missing or invalid hash because the failure path did not preserve

  • 8.2 High severity

    js-libp2p: Authentication Bypass by Spoofing

    CVE-2026-86039Libp2p

    libp2p is a JavaScript implementation of the libp2p networking stack. From 8.0.0 until 12.0.24, @libp2p/peer-store in packages/peer-store/src/index.ts uses consumePeerRecord to verify a RecordEnvelope signature but does not require PeerRecord.peerId in the sig

  • 7.5 High severity

    js-libp2p: Insufficient Verification of Data Authenticity

    CVE-2026-86038Libp2p

    libp2p is a JavaScript implementation of the libp2p networking stack. From 15.0.0 until 16.0.5, @libp2p/gossipsub uses the default StrictSign policy in packages/gossipsub/src/utils/buildRawMessage.ts, where validateToRawMessage verifies a signature with attack

  • 8.8 High severity

    SmartFabric Manager: Insufficient Verification of Data Authenticity

    CVE-2026-26950Dell

    Dell SmartFabric Manager, versions prior to 2.2.1, contains an Insufficient Verification of Data Authenticity vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Elevation of privileges.

  • 8.1 High severity

    djust: Insufficient Verification of Data Authenticity

    CVE-2026-61591Djust-org

    djust provides Phoenix LiveView-style reactive server-side rendering for Django with Rust-powered performance. Prior to version 1.0.7, for views that opt into state snapshots, the snapshot `state_json` embedded in the client page was restored on reconnect as t

  • 8.2 High severity

    rust-sdk: Insufficient Verification of Data Authenticity

    CVE-2026-63127Modelcontextprotocol

    RMCP is an official Rust SDK for the Model Context Protocol. Prior to 2.0.0, the rmcp crate's OAuth implementation in crates/rmcp/src/transport/auth.rs omits the RFC 9728 resource field from ResourceServerMetadata and allows discover_oauth_server_via_resource_

  • 8.6 High severity

    EKI-1242IEIMS: Insufficient Verification of Data Authenticity

    CVE-2026-73177Advantech

    Nozomi Networks Labs identified a CWE-345: Insufficient Verification of Data Authenticity vulnerability in the firmware upgrade mechanism of the Advantech EKI-1242EIMS in firmware version V1.06.01. The device accepts firmware images through the authenticated w

  • 8.2 High severity

    EOS: Insufficient Verification of Data Authenticity

    CVE-2026-73435Arista Networks

    On affected platforms running Arista EOS with Open Shortest Path First version 2 (OSPFv2) configured, a specially crafted OSPFv2 packet from an unauthenticated attacker on the same broadcast segment, with OSPFv2 authentication configured can cause adjacency fl

  • 9.6 Critical severity

    EOS: Insufficient Verification of Data Authenticity

    CVE-2026-73437Arista Networks

    On affected platforms running Arista EOS with Dynamic Host Configuration Protocol (DHCP) relay configured, an unauthenticated attacker with network access could send a crafted DHCP reply packet from an IP address that is not configured as a helper address, and

  • 8.2 High severity

    pipelines-as-code: Insufficient Verification of Data Authenticity

    CVE-2026-54167Tektoncd

    Pipelines-as-Code is a CI/CD system that lets users define Tekton pipelines in source code repositories. Prior to 0.37.8, 0.39.6, 0.42.1, and 0.48.0, the GitHub App provider accepts X-GitHub-Enterprise-Host as the API host while processing webhook events conta

  • 8.6 High severity

    PraisonAI: Insufficient Verification of Data Authenticity

    CVE-2026-57122MervinPraison

    PraisonAI is a multi-agent teams system. Prior to 4.6.59, the WhatsApp and Linear bot webhook handlers verify HMAC signatures only when WHATSAPP_APP_SECRET or LINEAR_WEBHOOK_SECRET is configured and otherwise parse and dispatch unsigned request bodies. A remot

  • 8.3 High severity

    melange: Insufficient Verification of Data Authenticity

    CVE-2026-54174Chainguard-dev

    melange allows users to build apk packages using declarative pipelines. Apko prior to version 1.2.9, corresponding to melange prior to version 0.50.4, verified the control section hash (`.PKGINFO` etc.) against the signed `APKINDEX`, but never verified the dat

  • 9.8 Critical severity

    Secure Connect Gateway 5.0 - Application: Insufficient Verification of Data Authenticity

    CVE-2026-80172Dell

    Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains an Insufficient Verification of Data Authenticity vulnerability. An unauthenticated attacker with remote access could exploit this, leading