Improper Certificate Validation

Overview io.vertx:vertx-core is a tool-kit for building reactive applications on the JVM. Affected versions of this package are vulnerable to Improper Certificate Validation in the client SSL context cache of the SslContextManager class, whose cache key compared only the key and trust options and...

CVE-2026-102476

In Eclipse Vert.x versions 5.0.0,5.0.12 or 5.1.0,5.1.9 or 5.2.0, 5.2.0, the Vert.x HTTP client relies on an SSL context for efficiency purpose, the key of this cache should reflect entirely the SSL semantics of the desired SSL properties. It is possible for a client to ask for an SSL context and...

EUVD-2026-101530

In Eclipse Vert.x versions 5.0.0,5.0.12 or 5.1.0,5.1.9 or 5.2.0, 5.2.0, the Vert.x HTTP client relies on an SSL context for efficiency purpose, the key of this cache should reflect entirely the SSL semantics of the desired SSL properties. It is possible for a client to ask for an SSL context and...

CVE-2026-102476

The io.vertx:vertx-core component in Eclipse Vert.x versions [5.0.0, 5.0.12] , [5.1.0, 5.1.9] , and [5.2.0, 5.2.0] is vulnerable to a security flaw in the Vert.x HTTP client . The root cause is an inefficient SSL context cache where the cache key does not fully reflect the SSL semantics of the de...

CVE-2026-102476: Improper Certificate Validation

In Eclipse Vert.x versions 5.0.0,5.0.12 or 5.1.0,5.1.9 or 5.2.0, 5.2.0, the Vert.x HTTP client relies on an SSL context for efficiency purpose, the key of this cache should reflect entirely the SSL semantics of the desired SSL properties. It is possible for a client to ask for an SSL context and...

PT-2026-109075

urllib3 is an HTTP client library for Python. From 1.26.0 until 2.8.0, the proxy ssl context, proxy assert hostname, proxy assert fingerprint, ssl context, cert reqs, verify mode, use forwarding for https=True, and CERT NONE configuration paths fail to remain separated because target-server TLS...

K000163170: Mbed TLS vulnerability CVE-2026-34877

Security Advisory Description An issue was discovered in Mbed TLS versions from 2.19.0 up to 3.6.5, Mbed TLS 4.0.0. Insufficient protection of serialized SSL context or session structures allows an attacker who can modify the serialized structures to induce memory corruption, leading to arbitrary...

CVE-2026-59825

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.4.19 and from 4.5.0 until 4.5.12, Mastodon's app/models/concerns/user/ldapauthenticable.rb mutates OpenSSL::SSL::SSLContext::DEFAULTPARAMS when LDAP authentication uses LDAPTLSNOVERIFY=true, disabling SSL and T...

Apache Airflow missing Certificate Validation

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

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...

CVE-2026-50010

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, SimpleTrustManagerFactory.engineGetTrustManagers and related paths wrap any user-supplied plain X509TrustManager in X509TrustManagerWrapper, which extends...

UBUNTU-CVE-2026-50010

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, SimpleTrustManagerFactory.engineGetTrustManagers and related paths wrap any user-supplied plain X509TrustManager in X509TrustManagerWrapper, which extends...

curl: TLS conn reuse and session cache ignore fsslctx callback and ssl_config_data flags ( incomplete fix variant of 7541ae569 )

Summary matchsslprimaryconfig in lib/vtls/vtls.c:194 and the session-cache key built by cfsslpeerkeybuild in lib/vtls/vtlsscache.c:240 both compare only struct sslprimaryconfig fields when deciding whether to reuse a TLS connection or cached session. Several fields that materially change the TLS...

GHSA-3G76-F9XQ-8VP6 Vert.x has a DoS via unbounded server-side SNI SslContext cache growth

Potential unbounded server-side SNI SslContext cache growth in Vert.x TLS handling, with = resource-exhaustion / DoS impact. On affected versions, matching server-side SNI names are cached via computeIfAbsentserverName, ... in a serverName-keyed SslContext cache. The implementation differs slight...

CLSA-2026-1778233301 python3.9: Fix of 7 CVEs

CVE-2025-1795: fix incorrect parsing of email addresses with special chars - CVE-2025-4516: fix use-after-free in unicode-escape decoder with non-strict error handler - CVE-2025-6069: fix quadratic complexity in HTMLParser special input - CVE-2025-8291: fix zip64 end-of-central-directory record...

PT-2026-41580

An issue was discovered in Mbed TLS versions from 2.19.0 up to 3.6.5, Mbed TLS 4.0.0. Insufficient protection of serialized SSL context or session structures allows an attacker who can modify the serialized structures to induce memory corruption, leading to arbitrary code execution. This is cause...

CVE-2026-40557

Improper Certificate Validation via Global SSL Context Downgrade in Apache Storm Prometheus Reporter Versions Affected: from 2.6.3 to 2.8.6 Description: In production deployments where an administrator enables storm.daemon.metrics.reporter.plugin.prometheus.skiptlsvalidation by default it is...

GHSA-X8MH-94WC-33GV apache-airflow-providers-smtp: No certificate validation on SMTP STARTTLS connections in SMTP provider

Apache Airflow's SMTP provider SmtpHook called Python's smtplib.SMTP.starttls without an SSL context, so no certificate validation was performed on the TLS upgrade. A man-in-the-middle between the Airflow worker and the SMTP server could present a self-signed certificate, complete the STARTTLS...

CVE-2026-40557

Improper Certificate Validation via Global SSL Context Downgrade in Apache Storm Prometheus Reporter Versions Affected: from 2.6.3 to 2.8.6 Description: In production deployments where an administrator enables storm.daemon.metrics.reporter.plugin.prometheus.skiptlsvalidation by default it is...

CVE-2026-40557 Apache Storm Prometheus Reporter: Disabling TLS verification for Prometheus Reporter also disables it for all other connections

Improper Certificate Validation via Global SSL Context Downgrade in Apache Storm Prometheus Reporter Versions Affected: from 2.6.3 to 2.8.6 Description: In production deployments where an administrator enables storm.daemon.metrics.reporter.plugin.prometheus.skiptlsvalidation by default it is...