CVE-2026-8616

The Fense Proxy & VPN Blocker plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check and missing nonce validation on the fensebpvtsavesettings function in versions up to, and including, 3.0.1. The callback is registered to both wpajax and...

CVE-2026-49998 Centrifugo: Dynamic JWKS key cache keyed only by `kid` allows cross-issuer JWT authentication bypass

Centrifugo is an open-source scalable real-time messaging server. Prior to 6.8.1, Centrifugo dynamic JWKS endpoint verification could reuse a key for one allowed issuer to verify a JWT for another allowed issuer because the JWKS cache and singleflight lookup were keyed only by JWT header kid, not...

PYSEC-2026-2387 AWS Encryption SDK for Python: Key commitment policy bypass via shared key cache

Summary AWS Encryption SDK ESDK for Python is a client-side encryption library. An issue exists where, under certain circumstances, a specific cryptographic algorithm downgrade in the caching layer might allow an authenticated local threat actor to bypass key commitment policy enforcement via a...

GO-2026-5872 Centrifugo's dynamic JWKS key cache keyed only by `kid` allows cross-issuer JWT authentication bypass in github.com/centrifugal/centrifugo

Centrifugo's dynamic JWKS key cache keyed only by kid allows cross-issuer JWT authentication bypass in github.com/centrifugal/centrifugo...

GHSA-7FQC-P256-7PWJ Steeltoe's static JWKS cache shared across schemes and never invalidated

Summary The JWT signing key cache in TokenKeyResolver uses kid as the sole cache key without namespacing by authority. In applications with multiple JwtBearer schemes pointing to different identity providers, a key fetched for one scheme can satisfy token validation for another. Additionally,...

CVE-2026-54899

Oj (Optimized JSON) is a Ruby gem for JSON parsing/marshalling. Prior to 3.17.2, disabling symbol_keys on a reused Oj::Parser can cause a heap use-after-free when toggling symbol_keys from true to false: opt_symbol_keys_set frees the internal key cache but does not clear the pointer, so the next ...

Oj: Use-After-Free in Oj::Parser Symbol Key Cache Toggle

Summary Disabling symbolkeys on a reused Oj::Parser instance triggers a heap use-after-free. When symbolkeys is toggled from true to false, optsymbolkeysset frees the internal key cache cachefree but does not clear the pointer. The next parse call reads from the freed cache via cacheintern,...

GHSA-2CW7-V8FF-P88R Oj: Use-After-Free in Oj::Parser Symbol Key Cache Toggle

Summary Disabling symbolkeys on a reused Oj::Parser instance triggers a heap use-after-free. When symbolkeys is toggled from true to false, optsymbolkeysset frees the internal key cache cachefree but does not clear the pointer. The next parse call reads from the freed cache via cacheintern,...

Oj - Use-After-Free in Oj::Parser Symbol Key Cache Toggle

Summary Disabling symbolkeys on a reused Oj::Parser instance triggers a heap use-after-free. When symbolkeys is toggled from true to false, optsymbolkeysset frees the internal key cache cachefree but does not clear the pointer. The next parse call reads from the freed cache via cacheintern,...

CVE-2026-50202

Steeltoe is an open source project that provides a collection of libraries that helps users build cloud-native applications. In Steeltoe.Security.Authentication.CloudFoundryBase prior to version 3.4.0, Steeltoe.Security.Authentication.JwtBearer prior to version 4.2.0, and...

CVE-2026-50202

Summary: CVE-2026-50202 affects Steeltoe libraries: Steeltoe.Security.Authentication.CloudFoundryBase < 3.4.0, Steeltoe.Security.Authentication.JwtBearer < 4.2.0, and Steeltoe.Security.Authentication.OpenIdConnect

PT-2026-50566

Name of the Vulnerable Software and Affected Versions Steeltoe.Security.Authentication.CloudFoundryBase versions prior to 3.4.0 Steeltoe.Security.Authentication.JwtBearer versions prior to 4.2.0 Steeltoe.Security.Authentication.OpenIdConnect versions prior to 4.2.0 Description The JWT signing key...

CVE-2026-47074

Improper Certificate Validation vulnerability in ex-aws exawssns ExAws.SNS, ExAws.SNS.PublicKeyCache modules allows Signature Spoofing by Improper Validation. This vulnerability is associated with program files lib/exaws/sns.ex, lib/exaws/sns/publickeycache.ex and program routines...

PT-2026-44365

Name of the Vulnerable Software and Affected Versions ex aws sns versions 2.0.1 through 2.3.4 Description Improper Certificate Validation in the ExAws.SNS and ExAws.SNS.PublicKeyCache modules allows for signature spoofing. The function verify message fetches the signing certificate from the...

EUVD-2026-23943

AWS Encryption SDK for Python: Key commitment policy bypass via shared key cache...

CVE-2026-6550

Cryptographic algorithm downgrade in the caching layer of Amazon AWS Encryption SDK for Python before version 3.3.1 and before version 4.0.5 might allow an authenticated local threat actor to bypass key commitment policy enforcement via a shared key cache, resulting in ciphertext that can be...

CVE-2026-6550 Key commitment policy bypass via shared key cache in AWS Encryption SDK for Python

Cryptographic algorithm downgrade in the caching layer of Amazon AWS Encryption SDK for Python before version 3.3.1 and before version 4.0.5 might allow an authenticated local threat actor to bypass key commitment policy enforcement via a shared key cache, resulting in ciphertext that can be...

CVE-2026-6550 Key commitment policy bypass via shared key cache in AWS Encryption SDK for Python

Cryptographic algorithm downgrade in the caching layer of Amazon AWS Encryption SDK for Python before version 3.3.1 and before version 4.0.5 might allow an authenticated local threat actor to bypass key commitment policy enforcement via a shared key cache, resulting in ciphertext that can be...

CVE-2026-6550

The vulnerability CVE-2026-6550 affects the AWS Encryption SDK for Python in its caching layer. A cryptographic downgrade in the key cache could allow an authenticated local actor to bypass key commitment policy enforcement, enabling ciphertext to be decrypted into multiple possible plaintexts. A...

CVE-2026-6550 Key commitment policy bypass via shared key cache in AWS Encryption SDK for Python

Cryptographic algorithm downgrade in the caching layer of Amazon AWS Encryption SDK for Python before version 3.3.1 and before version 4.0.5 might allow an authenticated local threat actor to bypass key commitment policy enforcement via a shared key cache, resulting in ciphertext that can be...