PYSEC-2026-3797

opensslencrypt versions before 1.4.9 fail to validate server URLs in login and registerwithemail functions, accepting unencrypted http:// URLs and unconfigured hosts. Attackers on the network path can intercept cleartext credentials including clientid, passwords, and JWTs to achieve full keyserve...

CVE-2026-81691

opensslencrypt versions before 1.4.9 fail to validate server URLs in login and registerwithemail functions, accepting unencrypted http:// URLs and unconfigured hosts. Attackers on the network path can intercept cleartext credentials including clientid, passwords, and JWTs to achieve full keyserve...

PT-2026-82592

Name of the Vulnerable Software and Affected Versions openssl encrypt versions prior to 1.4.9 Description The software fails to validate server URLs within the login and register with email functions, allowing the use of unconfigured hosts and unencrypted http:// URLs. This allows attackers...

Insufficiently Protected Credentials

Overview Affected versions of this package are vulnerable to Insufficiently Protected Credentials via the redirect handling process. An attacker can intercept sensitive credentials by observing network traffic during a same-host HTTPS-to-HTTP redirect. Remediation Upgrade...

Insufficiently Protected Credentials

Overview Affected versions of this package are vulnerable to Insufficiently Protected Credentials via the redirect handling process. An attacker can intercept sensitive credentials by observing network traffic during a same-host HTTPS-to-HTTP redirect. Remediation Upgrade...

CVE-2026-46428

lettre is a a mailer library for Rust. Starting in version 0.10.1 and prior to version 0.11.22, an inverted-boolean bug in lettre's boring-tls integration silently disables TLS hostname verification for callers using the default strict configuration. An on-path attacker presenting any chain-valid...

CVE-2026-46428

CVE-2026-46428 affects the Rust mailer library lettre. Versions 0.10.1 through before 0.11.22 using the boring-tls backend have an inverted-boolean bug that silently disables TLS hostname verification under the default strict configuration. An on-path attacker presenting any chain-valid certifica...

PYSEC-2026-2590 Lemur: LDAP Authentication Globally Disables TLS Certificate Verification When LDAP_USE_TLS Is Enabled

Description Overview When LDAP TLS is enabled LDAPUSETLS = True, Lemur's LDAP authentication module unconditionally disables TLS certificate verification at the global ldap module level. This allows a man-in-the-middle attacker positioned between Lemur and the LDAP server to intercept all...

CVE-2026-7830 UltraVNC MS-Logon II uses 64-bit Diffie-Hellman and seeded libc rand() enabling credential interception

UltraVNC through 1.8.2.2 uses inadequate cryptography in the MS-Logon II authentication scheme rfbUltraVNCMsLogonIIAuth. In rfb/dh.cpp the Diffie-Hellman key exchange is performed with parameters that fit in an unsigned 64-bit integer DHMAXBITS controls the prime size. A 64-bit DH key can be brok...

CVE-2026-7830 UltraVNC MS-Logon II uses 64-bit Diffie-Hellman and seeded libc rand() enabling credential interception

UltraVNC through 1.8.2.2 uses inadequate cryptography in the MS-Logon II authentication scheme rfbUltraVNCMsLogonIIAuth. In rfb/dh.cpp the Diffie-Hellman key exchange is performed with parameters that fit in an unsigned 64-bit integer DHMAXBITS controls the prime size. A 64-bit DH key can be brok...

CVE-2026-7830

CVE-2026-7830 affects UltraVNC up to version 1.8.2.2 and concerns the MS-Logon II authentication. The DH key exchange uses parameters within 64-bit space (DH_MAX_BITS) and the private exponent is generated using a rng() that relies on three libc rand() calls seeded from time(NULL). This yields an...

CVE-2026-4522

Missing authentication for critical function vulnerability in HYPR Passwordless on Windows allows Credentials Interception. This issue affects HYPR Passwordless: before 11.1.1...

CVE-2026-4522

Missing authentication for critical function vulnerability in HYPR Passwordless on Windows allows Credentials Interception. This issue affects HYPR Passwordless: before 11.1.1...

CVE-2026-4522

Missing authentication for critical function vulnerability in HYPR Passwordless on Windows allows Credentials Interception. This issue affects HYPR Passwordless: before 11.1.1...

GHSA-R7G4-QG5F-QQM2 Nodemailer: Improper TLS Certificate Validation in OAuth2 Token Fetch Enables Credential Interception

Summary Nodemailer disables TLS certificate verification in its internal HTTPS fetch client through the use of rejectUnauthorized: false inside lib/fetch/index.js. As a result, OAuth2 token requests trust invalid or self-signed HTTPS certificates and transmit sensitive OAuth credentials over...

Nodemailer: Improper TLS Certificate Validation in OAuth2 Token Fetch Enables Credential Interception

Summary Nodemailer disables TLS certificate verification in its internal HTTPS fetch client through the use of rejectUnauthorized: false inside lib/fetch/index.js. As a result, OAuth2 token requests trust invalid or self-signed HTTPS certificates and transmit sensitive OAuth credentials over...

NPM: Nodemailer: Improper TLS Certificate Validation in OAuth2 Token Fetch Enables Credential Interception

NPM: Nodemailer: Improper TLS Certificate Validation in OAuth2 Token Fetch Enables Credential Interception vulnerability discovered by ? in WordPress Npm nodemailer versions = 8.0.7...

CVE-2026-6517

Mattermost Desktop App (versions

CVE-2026-6517 Mattermost Desktop App fails to restrict the allow list of domains which NTLM credentials are passed

Mattermost Desktop App versions =6.1 5.5.13.0 fail to restrict the allow list of domains to which NTLM credentials were forwarded to in the Mattermost Desktop App which allows any user on a server without the image proxy enabled to intercept other users credentials via embedding an image that...

CVE-2026-6517

Mattermost Desktop App versions =6.1 5.5.13.0 fail to restrict the allow list of domains to which NTLM credentials were forwarded to in the Mattermost Desktop App which allows any user on a server without the image proxy enabled to intercept other users credentials via embedding an image that...