CWE-347
CVEs classified under CWE-347, newest first.
298 CVEsRSS
CVE-2026-106078Medium· 6.9A vulnerability allowing an unauthenticated attacker to bypass REST API authentication with a forged federation token and receive responses from REST API endpoints that do not call the Veeam Backup for Microsoft 365 backup service.
A vulnerability allowing an unauthenticated attacker to bypass REST API authentication with a forged federation token and receive responses from REST API endpoints that do not call the Veeam Backup for Microsoft 365 backup service.
CVE-2026-117602High· 8.4Electrum before 4.7.2 External Plugin Authorization Bypass Local Code Execution
Electrum 4.6.0 before 4.7.2 contains an authorization bypass in the external plugin loader, which executes a plugin's __init__.py module when the plugin is marked enabled in the config file, without verifying its plugin-password signatur…
CVE-2026-117601High· 7.5Electrum before 4.8.3 Missing Signature Verification of Mempool Transactions
Electrum before 4.8.3 fails to verify signatures of wallet-owned inputs in unconfirmed mempool transactions, allowing malicious servers to replace a just-broadcast transaction with a conflicting one. Attackers can swallow the user's tran…
CVE-2026-103325Low· 3.7TiendaCrypto para WooCommerce 1.0.1 - 1.2.1 - Unauthenticated Order Payment Forgery via Webhook HMAC Bypass
The TiendaCrypto para WooCommerce WordPress plugin through 1.2.1 does not correctly verify the authenticity of its payment webhook, validating the request signature against a key that is always empty, which allows unauthenticated attacke…
CVE-2026-114616High· 7.4Authlib accepts an empty HMAC key, allowing JWS/JWT signature forgery (HS256/HS384/HS512)
Authlib accepts an empty HMAC key, allowing JWS/JWT signature forgery (HS256/HS384/HS512)
CVE-2026-114615High· 7.4Authlib incomplete algorithm-confusion fix permits HMAC forgery with prefixed public keys
Authlib incomplete algorithm-confusion fix permits HMAC forgery with prefixed public keys
CVE-2026-65632Medium· 5.1ECDSA signature length is not validated in jose, allowing signature malleability
The jose library accepts ECDSA (ES256, ES256K, ES384, and ES512) JWS signatures of a non-canonical length. When verifying an ECDSA signature, jose_jwk_kty_ec:verify/4 in src/jwk/jose_jwk_kty_ec.erl splits the raw signature in half by its…
CVE-2026-116116High· 8.2Yoosee GM8135S Camera Secure Boot signature verification
A vulnerability was detected in Yoosee GM8135S Camera 21.00.01.36. Affected is an unknown function of the component Secure Boot. Performing a manipulation results in improper verification of cryptographic signature. The attack needs to b…
CVE-2026-116189High· 7.5github.com/rclone/rclone: rclone: Arbitrary code execution via self-update signature verification bypass (CVE-2026-116189)
A flaw was found in rclone. A remote attacker with the ability to tamper with the release distribution path can bypass cryptographic signature verification during the self-update process. By prepending an unsigned checksum before the signe…
CVE-2026-89317Medium· 6.3JwtVerifierImpl.Verify does not enforce the JWS `crit` header (RFC 7515 §4.1.11)
gose parsed the JWS `crit` header into `JwsHeader.Crit` and then never read it. RFC 7515 §4.1.11 requires a recipient to reject a JWS whose listed critical extension parameters it does not understand. gose implements no header extensions…
CVE-2026-56837High· 8.6PraisonAI LinearBot processes unsigned webhooks when LINEAR_WEBHOOK_SECRET is missing
PraisonAI is a multi-agent teams system. From version 4.6.56 to before version 4.6.59, PraisonAI's LinearBot starts a public webhook listener on 0.0.0.0 and treats LINEAR_WEBHOOK_SECRET as optional. When the secret is absent, startup onl…
CVE-2026-115374High· 7.1github.com/lxc/incus: incus: Information disclosure via unsigned headers in presigned S3 URLs (CVE-2026-115374)
A flaw was found in Incus. The built-in Simple Storage Service (S3) server does not properly verify request signatures, allowing an attacker with a presigned upload URL to inject unsigned request headers. By supplying an unauthorized copy …
GHSA-pxh4-856f-4h89High· 7.4PyJWT: HS256/384/512 verify accepts empty HMAC key via oct JWK (PyJWK/PyJWKClient) enabling token forgery
PyJWT: HS256/384/512 verify accepts empty HMAC key via oct JWK (PyJWK/PyJWKClient) enabling token forgery
CVE-2026-87947Medium· 4.8SAML SSO - Service Provider - Moderately critical - Authentication bypass - SA-CONTRIB-2026-145
Improper Verification of Cryptographic Signature vulnerability in Drupal SAML SSO - Service Provider allows Signature Spoof. This issue affects SAML SSO - Service Provider versions: from 0.0.0 to 3.2.0.
CVE-2026-84918Low· 3.7Monobank payment API - Moderately critical - Access bypass - SA-CONTRIB-2026-130
Improper Verification of Cryptographic Signature vulnerability in Drupal Monobank payment API allows Signature Spoof. This issue affects Monobank payment API versions: from 0.0.0 to 1.0.3.
CVE-2026-105869Critical· 9.2Apache Pulsar: MultiRolesTokenAuthorizationProvider uses roles from unverified tokens for HTTP requests that fall back to the anonymous user role
Apache Pulsar's MultiRolesTokenAuthorizationProvider authorizes a client with all roles listed in a claim of its JSON Web Token (JWT). The provider is intended for use with token authentication, which verifies the token before authorizat…
CVE-2026-10141Critical· 9.1A Unsigned Firmware vulnerability exists in the boa Firmware Update functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327)
A Unsigned Firmware vulnerability exists in the boa Firmware Update functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted firmware binary can lead to arbitrary firmware update. An attacker ca…
CVE-2026-113620Critical· 9.8Eclipse ioFog operator WebSocket accepts an unverified JWT
In Eclipse ioFog Controller versions 3.8.0 through 3.9.1, operator WebSocket upgrades on the exec and log routes do not verify the bearer JWT. The payload is decoded and its groups or roles are used as RBAC subjects. A self-minted token …
CVE-2026-111062LowA russh SSH server accepts a publickey authentication whose signature uses a different algorithm than the one named in the request
A russh SSH server accepts a publickey authentication whose signature uses a different algorithm than the one named in the request
CVE-2026-109838Medium· 5.1IBM Db2 Genius Hub Improper verification of cryptographic signature
IBM Db2 Genius Hub 1.0 could allow a local attacker to obtain sensitive information due to improper verification of cryptographic signature.
CVE-2026-102946Critical· 9.1PoCjoserfc is a Python library that provides an implementation of several JSON Object Signing and Encryption (JOSE) standards
joserfc is a Python library that provides an implementation of several JSON Object Signing and Encryption (JOSE) standards. Prior to 1.7.4, joserfc.jws.deserialize_json() accepts a JWS General JSON Serialization with an empty signatures …
CVE-2026-110765Medium· 5.9FlexPrice through 2.1.38 contains an authentication bypass vulnerability in HandleQuickBooksWebhook that skips signature verification when the intuit-signature header is omitted
FlexPrice through 2.1.38 contains an authentication bypass vulnerability in HandleQuickBooksWebhook that skips signature verification when the intuit-signature header is omitted. Unauthenticated attackers knowing a tenant and environment…
CVE-2026-95633High· 7.5CAI Content Credentials is affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass
CAI Content Credentials is affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain u…
CVE-2026-95632High· 7.5CAI Content Credentials is affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass
CAI Content Credentials is affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain u…
CVE-2026-103297High· 7.5CAI Content Credentials is affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass
CAI Content Credentials is affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain u…
CVE-2026-103296High· 7.5CAI Content Credentials is affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass
CAI Content Credentials is affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain u…
CVE-2026-102502Medium· 5.3CAI Content Credentials is affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass
CAI Content Credentials is affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain u…
CVE-2026-97799High· 7.8Improper verification of cryptographic signature in Windows Audio Service allows an authorized attacker to elevate privileges locally.
Improper verification of cryptographic signature in Windows Audio Service allows an authorized attacker to elevate privileges locally.
CVE-2026-96957High· 8.8Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.
Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-96252Critical· 9.1Improper verification of cryptographic signature in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.
Improper verification of cryptographic signature in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.