Admidio Ignores SAML Signature Validation Result, Processes Forged AuthnRequests and LogoutRequests

Summary The Admidio SAML Identity Provider implementation discards the return value of its validateSignature method at both call sites handleSSORequest line 418 and handleSLORequest line 613. The method returns error strings on failure rather than throwing exceptions, but the developer believed i...

GHSA-25CW-98HG-G3CG Admidio Ignores SAML Signature Validation Result, Processes Forged AuthnRequests and LogoutRequests

Summary The Admidio SAML Identity Provider implementation discards the return value of its validateSignature method at both call sites handleSSORequest line 418 and handleSLORequest line 613. The method returns error strings on failure rather than throwing exceptions, but the developer believed i...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication in the VerifyHostToken function due to improper validation of JWT signatures. An attacker can impersonate any host in the network and gain access to sensitive information by forging a JWT signed with an arbitrary...

EUVD-2026-26062

Authentication Bypass vulnerability exists in Netmaker versions prior to 1.5.0. The VerifyHostToken function in logic/jwts.go fails to validate the JWT signature when verifying host tokens. An attacker can forge a JWT signed with any arbitrary key and use it to impersonate any host in the network...

CVE-2026-33557

A flaw was found in Apache Kafka. By default, the sasl.oauthbearer.jwt.validator.class property is set to org.apache.kafka.common.security.oauthbearer.DefaultJwtValidator, which does not validate JSON Web Token JWT signatures, issuers, or audiences. A remote attacker can exploit this by crafting ...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the webhook process. An attacker can exhaust system memory by sending oversized POST payloads before signature validation. This is only exploitable if Stripe webhooks are enabled a...

CVE-2026-40481 monetr: Unauthenticated Stripe webhook reads attacker-sized request bodies before signature validation

monetr is a budgeting application for recurring expenses. In versions 1.12.3 and below, the public Stripe webhook endpoint buffers the entire request body into memory before validating the Stripe signature. A remote unauthenticated attacker can send oversized POST payloads to cause uncontrolled...

CVE-2026-40481 monetr: Unauthenticated Stripe webhook reads attacker-sized request bodies before signature validation

monetr is a budgeting application for recurring expenses. In versions 1.12.3 and below, the public Stripe webhook endpoint buffers the entire request body into memory before validating the Stripe signature. A remote unauthenticated attacker can send oversized POST payloads to cause uncontrolled...

CVE-2026-39984

A flaw was found in timestamp-authority, specifically in the timestamp-authority/v2/pkg/verification package. An attacker can exploit this issue by prepending a forged certificate to the certificate bag while the message is signed with an authorized key. This causes the library to validate the...

PT-2026-33269

The Payment Gateway for Redsys & WooCommerce Lite plugin for WordPress is vulnerable to Improper Verification of Cryptographic Signature in versions up to, and including, 7.0.0 due to successful request handlers calculating a local signature but not validating Ds Signature from the request before...

GHSA-G4VJ-CJJJ-V7HG Defense in Depth update for NuGet Client

Impact This update adds validation of the package ID and version during package download, in addition to the existing package signature validation. Patches NuGet The following NuGet.exe, NuGet.CommandLine, NuGet.Packaging, and NuGet.Protocol versions have been patched: |Affected versions|Patched...

Defense in Depth update for NuGet Client

Impact This update adds validation of the package ID and version during package download, in addition to the existing package signature validation. Patches NuGet The following NuGet.exe, NuGet.CommandLine, NuGet.Packaging, and NuGet.Protocol versions have been patched: |Affected versions|Patched...

In monetr, unauthenticated Stripe webhook reads attacker-sized request bodies before signature validation

Summary The public Stripe webhook endpoint fully reads the request body into memory before validating the Stripe signature. A remote unauthenticated attacker can send oversized POST bodies and cause substantial memory growth, leading to denial of service. Details When Stripe webhooks are enabled,...

GHSA-V7XQ-3WX6-FQC2 In monetr, unauthenticated Stripe webhook reads attacker-sized request bodies before signature validation

Summary The public Stripe webhook endpoint fully reads the request body into memory before validating the Stripe signature. A remote unauthenticated attacker can send oversized POST bodies and cause substantial memory growth, leading to denial of service. Details When Stripe webhooks are enabled,...

Amazon Linux 2 : amazon-efs-utils, --advisory ALAS2-2026-3245 (ALAS-2026-3245)

The version of amazon-efs-utils installed on the remote host is prior to 3.0.0-4. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3245 advisory. time provides date and time handling in Rust. From 0.3.6 to before 0.3.47, when user-provided input is provided t...

PraisonAI: Unauthenticated WebSocket Endpoint Proxies to Paid OpenAI Realtime API Without Rate Limits

Summary The /media-stream WebSocket endpoint in PraisonAI's call module accepts connections from any client without authentication or Twilio signature validation. Each connection opens an authenticated session to OpenAI's Realtime API using the server's API key. There are no limits on concurrent...

OPENSUSE-SU-2026:20506-1 Security update for python-cryptography

This update for python-cryptography fixes the following issues: - CVE-2026-34073: Fixed X.509 bypass of name constraints on wildcard SANs with matching peer names. bsc1260876 - CVE-2026-26007: missing validation can lead to security issues for signature verification ECDSA and shared key negotiati...

GHSA-8F9R-GR6R-X63Q Duplicate Advisory: OpenClaw: Feishu webhook reads and parses unauthenticated request bodies before signature validation

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-3h52-cx59-c456. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.25 parses JSON request bodies before validating webhook signatures, allowing unauthenticated...

EUVD-2026-21136

OpenClaw before 2026.3.25 parses JSON request bodies before validating webhook signatures, allowing unauthenticated attackers to force resource-intensive parsing operations. Remote attackers can send malicious webhook requests to trigger denial of service by exhausting server resources through...

Duplicate Advisory: OpenClaw: Feishu webhook reads and parses unauthenticated request bodies before signature validation

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-3h52-cx59-c456. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.25 parses JSON request bodies before validating webhook signatures, allowing unauthenticated...