SUSE-SU-2026:3074-1 Security update for libssh2_org

This update for libssh2org fixes the following issue Security changes: - CVE-2026-55199: pre-Authentication DoS via SSHMSGEXTINFO Handler bsc1268530. Other changes: - rebuild libssh2org against openssl 1.1.1, enabling ed25519 support. bsc1227490...

SUSE CVE-2026-58250

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.12.8 and 2.11.17, an unauthenticated peer with network access to a leafnode listener with compression enabled could crash the server during the pre-authentication leafnode handshake by...

EUVD-2026-44343

In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in subscriber-wide denial of service...

CVE-2026-15720

In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in subscriber-wide denial of service...

BIT-NATS-2026-58250 NATS Server: Pre-auth server crash via double INFO in leafnode handshake

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.12.8 and 2.11.17, an unauthenticated peer with network access to a leafnode listener with compression enabled could crash the server during the pre-authentication leafnode handshake by...

CVE-2026-48758

A flaw was found in the @sigstore/core component. The preAuthEncoding function incorrectly uses Node.js 'ascii' encoding when converting Pre-Authentication Encoding PAE strings to bytes. This encoding truncates Unicode characters to their low byte, allowing an attacker to substitute characters in...

BIT-GRAFANA-2026-8609 Pre-authentication denial of service via the OAuth login route

An unauthenticated attacker can repeatedly call Grafana's OAuth login route with unique values, causing unbounded memory growth that can eventually exhaust memory and crash the Grafana instance denial of service...

CVE-2026-15720: Out-of-bounds Read

In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in subscriber-wide denial of service...

Server-side Request Forgery (SSRF)

Overview nukeviet/nukeviet is a the first opensource CMS in Vietnam. Affected versions of this package are vulnerable to Server-side Request Forgery SSRF through the serverinfoupdate function in includes/ini.php and the forwarded-host handling in vendor/vinades/nukeviet/Core/Server.php. An attack...

GHSA-4CHG-4752-W88R NukeViet: Pre-authentication SSRF via X-Forwarded-Host

Summary An unauthenticated attacker can coerce the server into issuing HTTP requests to an attacker-chosen host by spoofing the X Forwarded-Host and X-Forwarded-Proto request headers. The forwarded host is used, without validation, to build the URL that serverinfoupdate fetches with cURL, resulti...

PYSEC-2026-2384 AsyncSSH `AuthorizedKeysFile %u` path traversal allows attacker-selected authorized keys to authenticate a traversal username

Summary AsyncSSH 2.22.0 expands the OpenSSH-compatible AuthorizedKeysFile %u token with the raw SSH username during pre-authentication server config reload. A server configured with a documented per-user key pattern such as AuthorizedKeysFile authorizedkeys/%u can be made to read an authorized-ke...

AsyncSSH `AuthorizedKeysFile %u` path traversal allows attacker-selected authorized keys to authenticate a traversal username

SummaryAsyncSSH 2.22.0 expands the OpenSSH-compatible AuthorizedKeysFile %u token with the raw SSH username during pre-authentication server config reload. A server configured with a documented per-user key pattern such as AuthorizedKeysFile authorizedkeys/%u can be made to read an authorized-key...

CVE-2026-58250

A flaw was found in NATS Server, a high-performance messaging system. An unauthenticated attacker with network access to a leafnode listener, where compression is enabled, could exploit this vulnerability. By sending repeated leafnode INFO protocol messages during the pre-authentication handshake...

PT-2026-59064

Summary AsyncSSH 2.22.0 expands the OpenSSH-compatible AuthorizedKeysFile %u token with the raw SSH username during pre-authentication server config reload. A server configured with a documented per-user key pattern such as AuthorizedKeysFile authorized keys/%u can be made to read an...

BIT-NEXTCLOUD-2026-45691 Nextcloud: Bypass of second factor authentication on DAV endpoints

Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.9, and 33.0.0 to before 33.0.3, a pre-2FA session cookie created after successful password authentication but before TOTP completion could be reused as a Bearer token to authenticat...

EUVD-2026-39510

File Browser: Command Injection via Authentication Hook Shell Substitution Pre-Authentication RCE...

File Browser: Command Injection via Authentication Hook Shell Substitution (Pre-Authentication RCE)

Overview The Hook Authentication feature in File Browser allows administrators to delegate login verification to an external shell command. User-supplied credentials username and password are interpolated into this command string using os.Expand without sanitization. An unauthenticated remote...

GHSA-M93H-4HW7-5QCM File Browser: Command Injection via Authentication Hook Shell Substitution (Pre-Authentication RCE)

Overview The Hook Authentication feature in File Browser allows administrators to delegate login verification to an external shell command. User-supplied credentials username and password are interpolated into this command string using os.Expand without sanitization. An unauthenticated remote...

CVE-2026-8609 Pre-authentication denial of service via the OAuth login route

An unauthenticated attacker can repeatedly call Grafana's OAuth login route with unique values, causing unbounded memory growth that can eventually exhaust memory and crash the Grafana instance denial of service...

CVE-2026-8609 Pre-authentication denial of service via the OAuth login route

An unauthenticated attacker can repeatedly call Grafana's OAuth login route with unique values, causing unbounded memory growth that can eventually exhaust memory and crash the Grafana instance denial of service...