free5GC AUSF: null byte injection in supiOrSuci causes HTTP 500 internal service failure

Summary 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 to the UDM in an unescaped URL path. This causes Go's net/url.Parse to...

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

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 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-2026-53551 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...

Security Bulletin: A vulnerability has been identified in IBM WebSphere Application Server used by IBM Rational ClearQuest (CVE-2026-16184)

Summary IBM WebSphere Application Server is used by the IBM Rational ClearQuest server. Information about a security vulnerability affecting IBM WebSphere Application Server has been published in a security bulletin. Vulnerability Details Refer to the security bulletins listed in the...

UBUNTU-CVE-2026-53501

Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, Thumbor’s HMAC validation can be bypassed due to the use of Python’s .replace when removing the signature from the URL before validation. Since .replace removes all occurrences of the substring, an attacker can insert...

CVE-2026-55825

Contao is an Open Source CMS. In versions 5.7.0 through 5.7.6, an authenticated backend user who can access one job can request an attachment identifier containing ../ segments and make the job attachment download endpoint read a file from another job directory inside var/job-attachments. The...

CVE-2026-55825 Contao: Possible path traversal in job download URIs

Contao is an Open Source CMS. In versions 5.7.0 through 5.7.6, an authenticated backend user who can access one job can request an attachment identifier containing ../ segments and make the job attachment download endpoint read a file from another job directory inside var/job-attachments. The...

CVE-2026-55824 Contao crawler leaks auth credentials to external hosts

Contao is an Open Source CMS. In versions 4.13.40 through 5.3.46 and 5.7.0-RC1 through 5.7.6, the crawler leaks auth credentials to external hosts. Contao's crawler tries to prevent confidential HTTP client options from being sent to external domains by creating a scoped client: full options for...

CVE-2026-55824 Contao crawler leaks auth credentials to external hosts

Contao is an Open Source CMS. In versions 4.13.40 through 5.3.46 and 5.7.0-RC1 through 5.7.6, the crawler leaks auth credentials to external hosts. Contao's crawler tries to prevent confidential HTTP client options from being sent to external domains by creating a scoped client: full options for...

CVE-2026-55824 Contao crawler leaks auth credentials to external hosts

Contao is an Open Source CMS. In versions 4.13.40 through 5.3.46 and 5.7.0-RC1 through 5.7.6, the crawler leaks auth credentials to external hosts. Contao's crawler tries to prevent confidential HTTP client options from being sent to external domains by creating a scoped client: full options for...

GHSA-MW3H-QJXJ-6XG9 Thumbor has HMAC validation bypass via multiple .replace() calls when removing URL signature

HMAC validation bypass via multiple .replace calls when removing URL signature Summary Thumbor’s HMAC validation can be bypassed due to the use of Python’s .replace when removing the signature from the URL before validation. Since .replace removes all occurrences of the substring, an attacker can...

CVE-2026-53501

Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, Thumbor’s HMAC validation can be bypassed due to the use of Python’s .replace when removing the signature from the URL before validation. Since .replace removes all occurrences of the substring, an attacker can insert...

EUVD-2026-51608

Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, Thumbor’s HMAC validation can be bypassed due to the use of Python’s .replace when removing the signature from the URL before validation. Since .replace removes all occurrences of the substring, an attacker can insert...

JLSEC-2026-1086 libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow...

libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2ciphercrypt function in src/openssl.c that allows a malicious SSH server to crash any connecting client by negotiating AES-GCM ciphers during handshake. Attackers can exploit...

JLSEC-2026-1088 libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer...

libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer overflow vulnerability that allows a malicious SSH server to corrupt heap metadata in any connecting client by sending a packet with a packetlength smaller than the cipher's block size during Encrypt-then-M...

SUSE CVE-2026-11771

OpenVPN version 2.1.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows attackers via an off-by-one buffer write in the NTLM proxy authentication to potentially cause a crash via a crafted NTLM response from a malicious proxy server...

CVE-2026-56568

HCL iControl was affected by Information Exposure Through Verbose Client-Side API Error Messages vulnerabilities. It involves application displays raw server/API error messages to users instead of generic error messages and exposes internal endpoint names, request parameters, error codes, and...