CVE-2026-40611

Let's Encrypt client and ACME library written in Go Lego. Prior to 4.34.0, the webroot HTTP-01 challenge provider in lego is vulnerable to arbitrary file write and deletion via path traversal. A malicious ACME server can supply a crafted challenge token containing ../ sequences, causing lego to...

EUVD-2026-24182

blueprintUE is a tool to help Unreal Engine developers. Prior to 4.2.0, the login form handler performs no throttling of any kind. Failed authentication attempts are processed at full network speed with no IP-based rate limiting, no per-account attempt counter, no temporary lockout, no progressiv...

Lego 安全漏洞

Lego is an open-source library written in Go by go-acme. Versions of Lego before 4.34.0 have security vulnerabilities; these vulnerabilities stem from path traversal in the webroot HTTP-01 challenge provider, which could lead to arbitrary file writing and deletion...

CVE-2026-40948 Apache Airflow Providers Keycloak: OAuth Login CSRF — Missing State Parameter in Keycloak Auth Manager

The Keycloak authentication manager in apache-airflow-providers-keycloak did not generate or validate the OAuth 2.0 state parameter on the login / login-callback flow, and did not use PKCE. An attacker with a Keycloak account in the same realm could deliver a crafted callback URL to a victim's...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF through the ValidateHTTP01Challenge and ValidateTLSALPN01Challenge validation paths in builtin/logical/pki/acmechallenges.go. An attacker can make the ACME validator connect to loopback, link-local,...

CVE-2026-5052 Vault Vulnerable to Server-Side Request Forgery in ACME Challenge Validation via Attacker-Controlled DNS

Vault’s PKI engine’s ACME validation did not reject local targets when issuing http-01 and tls-alpn-01 challenges. This may lead to these requests being sent to local network targets, potentially leading to information disclosure. Fixed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0,...

BIT-AUTHENTIK-2024-23647 PKCE downgrade attack in Authentik

Authentik is an open-source Identity Provider. There is a bug in our implementation of PKCE that allows an attacker to circumvent the protection that PKCE offers. PKCE adds the codechallenge parameter to the authorization request and adds the codeverifier parameter to the token request. Prior to...

BIT-AUTHENTIK-2023-48228 OAuth2: PKCE can be fully circumvented

authentik is an open-source identity provider. When initialising a oauth2 flow with a codechallenge and codemethod thus requesting PKCE, the single sign-on provider authentik must check if there is a matching and existing codeverifier during the token step. Prior to versions 2023.10.4 and 2023.8....

GHSA-JHM7-29PJ-4XVF @node-oauth/oauth2-server: PKCE code_verifier ABNF not enforced in token exchange allows brute-force redemption of intercepted authorization codes

Summary The token exchange path accepts RFC7636-invalid codeverifier values including one-character strings for S256 PKCE flows. Because short/weak verifiers are accepted and failed verifier attempts do not consume the authorization code, an attacker who intercepts an authorization code can...

nginx 0.5.15 < 1.28.3 / 1.29.x < 1.29.7 NULL Pointer Dereference

The installed version of nginx is 0.5.15 prior to 1.28.3, or 1.29.x prior to 1.29.7. It is, therefore, affected by the following issue: - When the ngxmailauthhttpmodule module is enabled on NGINX Plus or NGINX Open Source, undisclosed requests can cause worker processes to terminate. This issue m...

SUSE CVE-2026-40097

Step CA is an online certificate authority for secure, automated certificate management for DevOps. From 0.24.0 to before 0.30.0-rc3, an attacker can trigger an index out-of-bounds panic in Step CA by sending a crafted attestation key AK certificate with an empty Extended Key Usage EKU extension...

Evaluating Differential Privacy against Membership Inference in Federated Learning: Insights from the NIST Genomics Red Team Challenge

While Federated Learning FL mitigates direct data exposure, the resulting trained models remain susceptible to membership inference attacks MIAs. This paper presents an empirical evaluation of Differential Privacy DP as a defense mechanism against MIAs in FL, leveraging the environment of the 202...

GHSA-9QQ8-CGCV-QMC9 Step CA affected by an index out of bounds panic in TPM attestation EKU validation

Summary An attacker can trigger an index out-of-bounds panic in Step CA by sending a crafted attestation key AK certificate with an empty Extended Key Usage EKU extension during TPM device attestation. Details When processing a device-attest-01 ACME challenge using TPM attestation, Step CA...

CVE-2026-40097

Step CA is an online certificate authority for secure, automated certificate management for DevOps. From 0.24.0 to before 0.30.0-rc3, an attacker can trigger an index out-of-bounds panic in Step CA by sending a crafted attestation key AK certificate with an empty Extended Key Usage EKU extension...

CVE-2026-40097

CVE-2026-40097 affects Step CA (online CA for secure, automated certificate management). From version 0.24.0 up to before 0.30.0-rc3, an attacker can trigger an index-out-of-bounds panic during TPM device attestation by sending a crafted attestation key certificate with an empty EKU extension. Sp...

CVE-2026-40097 Step CA affected by an index out of bounds panic in TPM attestation EKU validation

Step CA is an online certificate authority for secure, automated certificate management for DevOps. From 0.24.0 to before 0.30.0-rc3, an attacker can trigger an index out-of-bounds panic in Step CA by sending a crafted attestation key AK certificate with an empty Extended Key Usage EKU extension...

CVE-2026-40097

Step CA is an online certificate authority for secure, automated certificate management for DevOps. From 0.24.0 to before 0.30.0-rc3, an attacker can trigger an index out-of-bounds panic in Step CA by sending a crafted attestation key AK certificate with an empty Extended Key Usage EKU extension...

PT-2026-31991

Name of the Vulnerable Software and Affected Versions Step CA versions 0.24.0 through 0.30.0-rc3 Description An attacker can trigger an index out-of-bounds panic in Step CA by sending a crafted attestation key AK certificate with an empty Extended Key Usage EKU extension during TPM device...

Linux Distros Unpatched Vulnerability : CVE-2026-33540

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Distribution is a toolkit to pack, ship, store, and deliver container content. Prior to 3.1.0, in pull- through cache mode, distribution discovers token auth...

Traffic violation scams swap links for QR codes to steal your card details

As soon as people start to get to grips with a certain type of scam, criminals deploy new tactics to keep stealing money. Now people have learned to distrust links in text messages, scammers have changed the bait, and in 2026 the “new link” is often a QR code tucked inside a fake notice. The late...