curl: SSH host-key policy is missing from the connection-reuse tuple: strict pins and knownhosts are silently skipped on reused SFTP/SCP connections

The core effect is a silent host-authentication bypass: a transfer whose configured SSH host-key policy would reject the server is served anyway, with exit code 0 and no warning, because it reuses a pooled connection established under a weaker or absent policy. curl may assess this lower because ...

PT-2026-64994

Name of the Vulnerable Software and Affected Versions Erlang/OTP versions 26.2 through 27.3.4.14 Erlang/OTP versions 28.0 through 28.5.0.3 Erlang/OTP versions 29.0 through 29.0.3 public key versions 1.15 through 1.17.1.4 public key versions 1.20 through 1.20.3.3 public key versions 1.21 through...

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

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

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...

PT-2026-33829

Name of the Vulnerable Software and Affected Versions Amazon AWS Encryption SDK for Python versions prior to 3.3.1 Amazon AWS Encryption SDK for Python versions prior to 4.0.5 Description A cryptographic algorithm downgrade in the caching layer may allow an authenticated local threat actor to...

Amazon AWS Encryption SDK security vulnerabilities

Amazon AWS Encryption SDK is a development toolkit used by Amazon, Inc., for encryption purposes. Versions of the AWS Encryption SDK prior to 3.3.1 and 4.0.5 contained security vulnerabilities. These vulnerabilities were due to issues with the encryption algorithm, which could allow authenticated...

HSEC-2023-0015 cabal-install uses expired key policies

cabal-install uses expired key policies A problem was recently discovered in cabal-install's implementation of the Hackage Security protocol that would allow an attacker who was in possession of a revoked private key and who could perform a man-in-the-middle attack against Hackage to use the...

PT-2023-35501

Name of the Vulnerable Software and Affected Versions cabal-install versions prior to 3.10.2.0 Description A problem was discovered in cabal-install's implementation of the Hackage Security protocol, which could allow an attacker with a revoked private key and the ability to perform a...