CVE-2026-27145

x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name SAN entries. This caused strings.Splithost, "." to execute repeatedly on the same input hostname. With a large DNS SAN list, verification costs scaled quadratically based on the number...

CVE-2026-27145 Inefficient candidate hostname parsing in crypto/x509

x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name SAN entries. This caused strings.Splithost, "." to execute repeatedly on the same input hostname. With a large DNS SAN list, verification costs scaled quadratically based on the number...

CVE-2026-27145

x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name SAN entries. This caused strings.Splithost, "." to execute repeatedly on the same input hostname. With a large DNS SAN list, verification costs scaled quadratically based on the number...

GO-2026-5037 Inefficient candidate hostname parsing in crypto/x509

x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name SAN entries. This caused strings.Splithost, "." to execute repeatedly on the same input hostname. With a large DNS SAN list, verification costs scaled quadratically based on the number...

CVE-2026-10584

Proxy server in Graph Explorer before 3.0.1 falls back to HTTP when certificate files are missing, which might allow remote threat actors to obtain sensitive information via interception of requests intended to be sent over HTTPS. To remediate this issue, users should upgrade to Graph Explorer...

CVE-2026-10584

Proxy server in Graph Explorer before 3.0.1 falls back to HTTP when certificate files are missing, which might allow remote threat actors to obtain sensitive information via interception of requests intended to be sent over HTTPS. To remediate this issue, users should upgrade to Graph Explorer...

CVE-2026-10584

Graph Explorer before 3.0.1 uses an HTTP fallback when certificate files are missing, exposing potential interception of HTTPS requests. The vulnerability affects the proxy component of Graph Explorer and can lead to disclosure of sensitive information. The recommended remediations are to upgrade...

CVE-2026-10584 HTTPS Fallback to HTTP in Graph Explorer

Proxy server in Graph Explorer before 3.0.1 falls back to HTTP when certificate files are missing, which might allow remote threat actors to obtain sensitive information via interception of requests intended to be sent over HTTPS. To remediate this issue, users should upgrade to Graph Explorer...

EUVD-2026-34011

Proxy server in Graph Explorer before 3.0.1 falls back to HTTP when certificate files are missing, which might allow remote threat actors to obtain sensitive information via interception of requests intended to be sent over HTTPS. To remediate this issue, users should upgrade to Graph Explorer...

CVE-2026-10584 HTTPS Fallback to HTTP in Graph Explorer

Proxy server in Graph Explorer before 3.0.1 falls back to HTTP when certificate files are missing, which might allow remote threat actors to obtain sensitive information via interception of requests intended to be sent over HTTPS. To remediate this issue, users should upgrade to Graph Explorer...

CVE-2026-10584 HTTPS Fallback to HTTP in Graph Explorer

Proxy server in Graph Explorer before 3.0.1 falls back to HTTP when certificate files are missing, which might allow remote threat actors to obtain sensitive information via interception of requests intended to be sent over HTTPS. To remediate this issue, users should upgrade to Graph Explorer...

ANT-2026-2FETJP49 · randombit/botan · Improper Certificate Validation

improper-cert-validation high CVE-2026-34580 GHSA-v782-6fq4-q827 Severity Claude high · Security research firm - · Maintainer - REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-2FETJP49: security certificateknown: Complete x509 bypass CertificateStore::certificateknown...

ANT-2026-7DG11TPA · wolfssl/wolfssl · other

other critical CVE-2026-5194 Severity Claude critical · Security research firm - · Maintainer critical REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-7DG11TPA: SECURITY: critical Universal ECDSA certificate forgery for arbitrary hosts ConfirmSignature in...

Important: Red Hat Security Advisory: Red Hat Lightspeed (formerly Insights) for Runtimes security update

An update is now available for Red Hat Lightspeed formerly Insights for Runtimes on RHEL 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption

A flaw was found in the crypto/tls component. This vulnerability occurs during Transport Layer Security TLS session resumption when certificate authority CA settings are modified between the initial and resumed handshakes. An attacker could exploit this to bypass certificate validation, allowing ...

crypto/x509: Incorrect enforcement of email constraints in crypto/x509

A certificate validation flaw has been discovered in the golang crypto/x509 module. When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly...

CERTFR-2026-ACT-024

creationtimestamp| type| source ---|---|--- 2026-06-02 08:18:23+00:00| seen| https://bsky.app/profile/infosecfr.skyfleet.blue/post/3mnc5u7bels2o 2026-06-08 13:44:39+00:00| seen| https://bsky.app/profile/infosecfr.skyfleet.blue/post/3mnrsv5au222s...

Glib-networking: infinite loop in glib-networking gnutls backend allows remote denial of service via circular certificate chain

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Security Bulletin: IBM Engineering Systems Design Rhapsody TestConductor was affected by CVE-2012-5783, CVE-2012-6153

Summary IBM Engineering Systems Design Rhapsody TestConductor was vulnerable to man-in-the-middle attacks caused by not verifying that the server hostname matches a domain name in the subject's Common Name CN or subjectAltName field of the X.509 certificate. This allows man-in-the-middle attacker...

EUVD-2026-33804

In getApplicationLabel of KeyChainActivity.java, there is a possible way to trick the user into approving access to certificates due to misleading or insufficient UI. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed fo...