Blitz Identity Provider (Authentication server)

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CVE-2026-53551 free5GC AUSF: null byte injection in supiOrSuci causes HTTP 500 internal service failure

free5GC is an open-source implementation of the 5G core network. Prior to 1.4.5, the free5GC AUSF Authentication Server Function does not validate the supiOrSuci field in UE authentication requests. Null bytes \x00 and other control characters pass through JSON parsing unchanged and are forwarded...

CVE-2026-53551

The vulnerability CVE-2026-53551 affects free5GC AUSF prior to version 1.4.5, where the supiOrSuci field in UE authentication requests is not validated. Null bytes (\x00) and other control characters pass through JSON parsing and are forwarded to the UDM in an unescaped URL path, causing Go’s net...

CVE-2026-45795 Janssen Project: JWE Request Object Signature Verification Bypass in jans-auth-server

The Janssen Project is an open-source identity and access management IAM platform. Prior to 2.0.0, jans-auth-server accepts unsigned JWE request objects because JwtAuthorizationRequest skips inner signature validation when jwe.getSignedJWTPayload returns null, and...

EUVD-2026-40307

Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if the appliance is configured as a Gateway SSL VPN, ICA Proxy, CVPN, RDP Proxy or AAA virtual server...

CVE-2026-8452 Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service

Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if the appliance is configured as a Gateway SSL VPN, ICA Proxy, CVPN, RDP Proxy or AAA virtual server...

CVE-2026-46491 SimpleSAMLphp casserver FileSystemTicketStore path traversal allows out-of-ticket-directory read/unserialize and conditional deletion

SimpleSAMLphp-casserver is a CAS 1.0 and 2.0 compliant CAS server in the form of a SimpleSAMLphp module. Prior to version 7.0.3, simplesamlphp-module-casserver builds file paths for the file-based CAS ticket store by directly concatenating the configured ticket directory with an attacker-controll...

CVE-2026-8745

A vulnerability was identified in Open5GS up to 2.7.7. Affected by this vulnerability is the function ogstimeradd in the library /src/ausf/nausf-handler.c of the component AUSF. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit is publicly available an...

CVE-2026-8745

Technical details are not publicly available in the provided documents; no information on affected versions, root cause, or remediation beyond the description. Monitor for updates.

CVE-2026-8745 Open5GS AUSF nausf-handler.c ogs_timer_add denial of service

A vulnerability was identified in Open5GS up to 2.7.7. Affected by this vulnerability is the function ogstimeradd in the library /src/ausf/nausf-handler.c of the component AUSF. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit is publicly available an...

EUVD-2026-30211

Yubico webauthn-server-core aka java-webauthn-server 2.8.0 before 2.8.2 incorrectly checks a function's return value in the second factor flow, leading to impersonation...

NGINX: NGINX: Denial of Service via undisclosed requests when ngx_mail_auth_http_module is enabled

A flaw was found in NGINX, specifically within the ngxmailauthhttpmodule. When this module is enabled, and CRAM-MD5 or APOP authentication is active with an authentication server that permits retries, undisclosed requests can cause NGINX worker processes to terminate. This can lead to a Denial of...

NGINX: NGINX: Denial of Service via undisclosed requests when ngx_mail_auth_http_module is enabled

A flaw was found in NGINX, specifically within the ngxmailauthhttpmodule. When this module is enabled, and CRAM-MD5 or APOP authentication is active with an authentication server that permits retries, undisclosed requests can cause NGINX worker processes to terminate. This can lead to a Denial of...

CVE-2026-30075

OpenAirInterface Version 2.2.0 has a Buffer Overflow vulnerability in processing UplinkNASTransport containing Authentication Response containing a NAS PDU with oversize response For example 100 byte. The response is decoded by AMF and passed to the AUSF component for verification. AUSF crashes o...

CVE-2026-30075

OpenAirInterface Version 2.2.0 has a Buffer Overflow vulnerability in processing UplinkNASTransport containing Authentication Response containing a NAS PDU with oversize response For example 100 byte. The response is decoded by AMF and passed to the AUSF component for verification. AUSF crashes o...

CVE-2026-30075

OpenAirInterface Version 2.2.0 has a Buffer Overflow vulnerability in processing UplinkNASTransport containing Authentication Response containing a NAS PDU with oversize response For example 100 byte. The response is decoded by AMF and passed to the AUSF component for verification. AUSF crashes o...

CVE-2026-30075

OpenAirInterface Version 2.2.0 has a Buffer Overflow vulnerability in processing UplinkNASTransport containing Authentication Response containing a NAS PDU with oversize response For example 100 byte. The response is decoded by AMF and passed to the AUSF component for verification. AUSF crashes o...

PT-2026-31331

Name of the Vulnerable Software and Affected Versions OpenAirInterface version 2.2.0 Description OpenAirInterface version 2.2.0 contains a buffer overflow issue when processing an UplinkNASTransport with an Authentication Response containing an oversized NAS PDU for example, 100 bytes. The respon...

NGINX: NGINX: Denial of Service via undisclosed requests when ngx_mail_auth_http_module is enabled

A flaw was found in NGINX, specifically within the ngxmailauthhttpmodule. When this module is enabled, and CRAM-MD5 or APOP authentication is active with an authentication server that permits retries, undisclosed requests can cause NGINX worker processes to terminate. This can lead to a Denial of...

SUSE CVE-2025-59028

When sending invalid base64 SASL data, login process is disconnected from the auth server, causing all active authentication sessions to fail. Invalid BASE64 data can be used to DoS a vulnerable server to break concurrent logins. Install fixed version or disable concurrency in login processes hea...