PYSEC-2026-1773 pgAdmin has vulnerability in LDAP authentication mechanism that allows bypassing TLS certificate verification

pgAdmin = 9.9 is affected by a vulnerability in the LDAP authentication mechanism allows bypassing TLS certificate verification...

PYSEC-2026-1893 Salt's salt.auth.pki module does not properly authenticate callers

The salt.auth.pki module does not properly authenticate callers. The "password" field contains a public certificate which is validated against a CA certificate by the module. This is not pki authentication, as the caller does not need access to the corresponding private key for the authentication...

PYSEC-2026-1922 SignXML's signature verification with HMAC is vulnerable to a timing attack

When verifying signatures with X509 certificate validation turned off and HMAC shared secret set signxml.XMLVerifier.verifyrequirex509=False, hmackey=..., prior versions of SignXML are vulnerable to a potential timing attack. The verifier may leak information about the correct HMAC when comparing...

PYSEC-2026-1921 SignXML's signature verification with HMAC is vulnerable to an algorithm confusion attack

When verifying signatures with X509 certificate validation turned off and HMAC shared secret set signxml.XMLVerifier.verifyrequirex509=False, hmackey=..., prior versions of SignXML are vulnerable to a potential algorithm confusion attack. Unless the user explicitly limits the expected signature...

PYSEC-2026-1867 Issue with Amazon Redshift Python Connector and the BrowserAzureOAuth2CredentialsProvider plugin

Summary Amazon Redshift Python Connector is a pure Python connector to Redshift i.e., driver that implements the Python Database API Specification 2.0. When the Amazon Redshift Python Connector is configured with the BrowserAzureOAuth2CredentialsProvider plugin, the driver skips the SSL certifica...

GO-2026-5889 Contour has Improper JWT Verification for Non-SNI Requests on Virtual Hosts with Fallback Certificate Enabled in github.com/projectcontour/contour

Contour has Improper JWT Verification for Non-SNI Requests on Virtual Hosts with Fallback Certificate Enabled in github.com/projectcontour/contour...

golang.org/x/crypto/ssh: golang: golang.org/x/crypto/ssh: Denial of Service via crafted SSH certificate

A flaw was found in golang.org/x/crypto/ssh. SSH servers configured to use CertChecker as a public key callback, without explicitly setting IsUserAuthority or IsHostAuthority, are vulnerable. A remote attacker can exploit this by presenting a specially crafted certificate, causing the server to...

RLSA-2026:34357 Important: opentelemetry-collector security update

Collector with the supported components for a Rocky Enterprise Software Foundation build of OpenTelemetry Security Fixes: github.com/prometheus/prometheus: Prometheus: Denial of Service via uncontrolled memory allocation in remote read endpoint CVE-2026-42154 github.com/prometheus/prometheus:...

PYSEC-2026-1873 Requests `Session` object does not verify requests after making first request with verify=False

When using a requests.Session, if the first request to a given origin is made with verify=False, TLS certificate verification may remain disabled for all subsequent requests to that origin, even if verify=True is explicitly specified later. This occurs because the underlying connection is reused...

PYSEC-2026-1148 Improper Certificate Validation vulnerability in Apache Airflow FTP Provider

Improper Certificate Validation vulnerability in Apache Airflow FTP Provider. The FTP hook lacks complete certificate validation in FTPTLS connections, which can potentially be leveraged. Implementing proper certificate validation by passing context=ssl.createdefaultcontext during FTPTLS...

PYSEC-2026-1130 Apache Airflow missing Certificate Validation

Apache Airflow SMTP Provider before 1.3.0, Apache Airflow IMAP Provider before 3.3.0, and Apache Airflow before 2.7.0 are affected by the Validation of OpenSSL Certificate vulnerability. The default SSL context with SSL library did not check a server's X.509 certificate. Instead, the code accepte...

PYSEC-2026-903 Improper Certificate Validation in pyload-ng

Improper Certificate Validation in GitHub repository pyload/pyload prior to 0.5.0b3.dev44...

PYSEC-2026-901 Apache Pulsar Disabled Certificate Validation for OAuth Client Credential Requests makes C++/Python Clients vulnerable to MITM attack

The Apache Pulsar C++ Client does not verify peer TLS certificates when making HTTPS calls for the OAuth2.0 Client Credential Flow, even when tlsAllowInsecureConnection is disabled via configuration. This vulnerability allows an attacker to perform a man in the middle attack and intercept and/or...

AlmaLinux 9 : opentelemetry-collector (ALSA-2026:34359)

The remote AlmaLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:34359 advisory. github.com/prometheus/prometheus: Prometheus: Denial of Service via uncontrolled memory allocation in remote read endpoint CVE-2026-42154...

ROS-20260707-73-0036

The vulnerability of the Go programming language’s crypto/x509 component is related to the lack of input validation for cyclic operations. Exploiting this vulnerability can allow an attacker to cause service failures remotely...

Important: skopeo security update

The skopeo command lets you inspect images from container image registries, get images and image layers, and use signatures to create and verify files. Security Fixes: net/url: Incorrect parsing of IPv6 host literals in net/url CVE-2026-25679 crypto/x509: golang: golang crypto/x509: Denial of...

MiracleLinux 9 : git-lfs-3.7.1-4.el9_8 (AXSA:2026-1205:08)

The remote MiracleLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-1205:08 advisory. net/url: Incorrect parsing of IPv6 host literals in net/url CVE-2026-25679 golang: internal/syscall/unix: Root.Chmod can follow symlinks out of the...

MiracleLinux 9 : opentelemetry-collector-0.144.0-2.el9_8 (AXSA:2026-1213:03)

The remote MiracleLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-1213:03 advisory. net/url: Incorrect parsing of IPv6 host literals in net/url CVE-2026-25679 google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go:...

PT-2026-56199

Name of the Vulnerable Software and Affected Versions GStreamer affected versions not specified Description A logic issue exists in the webrtcbin component. The check sdp crypto function uses an inverted boolean condition, leading the system to accept remote Session Description Protocol SDP offer...

ALSA-2026:36199 Important: buildah security update

The buildah package provides a tool for facilitating building OCI container images. Among other things, buildah enables you to: Create a working container, either from scratch or using an image as a starting point; Create an image, either from a working container or using the instructions in a...