CVE-2026-59851

A flaw was found in libssh. On servers with GSSAPIKeyExchange enabled, the gssapi-keyex path does not verify whether the authenticated Kerberos principal is authorized for the requested local user, allowing authenticated clients to log in as arbitrary users...

CVE-2026-59851

A vulnerability in libssh affects servers with GSSAPIKeyExchange enabled. The gssapi-keyex path does not verify that the authenticated Kerberos principal is authorized for the requested local user, enabling authenticated clients to log in as arbitrary users. This is reported across multiple sourc...

EUVD-2026-46268

A flaw was found in libssh. On servers with GSSAPIKeyExchange enabled, the gssapi-keyex path does not verify whether the authenticated Kerberos principal is authorized for the requested local user, allowing authenticated clients to log in as arbitrary users...

CVE-2026-59851

A flaw was found in libssh. On servers with GSSAPIKeyExchange enabled, the gssapi-keyex path does not verify whether the authenticated Kerberos principal is authorized for the requested local user, allowing authenticated clients to log in as arbitrary users. Mitigation Disable GSSAPIKeyExchange...

The vulnerability of the Kerberos protocol for Windows operating systems allows attackers to increase their privileges.

The vulnerability of the Kerberos protocol for Windows operating systems is related to errors in the mechanism for handling relative pathnames to the directory. Exploiting this vulnerability can allow a malicious actor to increase their privileges remotely...

Important: Red Hat Security Advisory: sssd security update

An update for sssd is now available for Red Hat Enterprise Linux 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 vulnerability from the...

sssd: sssd: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication bypass

A path traversal flaw was found in SSSD's AD GPO provider. The adgpoextractsmbcomponents function does not sanitize .. sequences in the gPCFileSysPath LDAP attribute, allowing an attacker with AD GPO management access to write files outside the GPO cache directory as root. On default RHEL...

sssd: sssd: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication bypass

A path traversal flaw was found in SSSD's AD GPO provider. The adgpoextractsmbcomponents function does not sanitize .. sequences in the gPCFileSysPath LDAP attribute, allowing an attacker with AD GPO management access to write files outside the GPO cache directory as root. On default RHEL...

Important: Red Hat Security Advisory: sssd security update

An update for sssd is now available for Red Hat Enterprise Linux 10. 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 vulnerability from the...

Nimux 1.0.2

Nimux is a native command surface for authorized security assessments. It combines network enumeration, credential validation, Active Directory operations, Kerberos workflows, remote execution, file movement, secrets collection, DCSync, GPO operations, database clients, and SOCKS routing into one...

RLSA-2026:39576 Important: cifs-utils security, bug fix, and enhancement update

The SMB/CIFS protocol is a standard file sharing protocol widely deployed on Microsoft Windows machines. The cifs-utils packages contain tools for mounting shares on Linux using the SMB/CIFS protocol. The tools in this package work in conjunction with support in the kernel to allow one to mount a...

Important: cifs-utils security, bug fix, and enhancement update

The SMB/CIFS protocol is a standard file sharing protocol widely deployed on Microsoft Windows machines. The cifs-utils packages contain tools for mounting shares on Linux using the SMB/CIFS protocol. The tools in this package work in conjunction with support in the kernel to allow one to mount a...

ALSA-2026:39575 Important: cifs-utils security, bug fix, and enhancement update

The SMB/CIFS protocol is a standard file sharing protocol widely deployed on Microsoft Windows machines. The cifs-utils packages contain tools for mounting shares on Linux using the SMB/CIFS protocol. The tools in this package work in conjunction with support in the kernel to allow one to mount a...

SUSE-SU-2026:2848-1 Security update for krb5, krb5-mini

This update for krb5, krb5-mini fixes the following issues - CVE-2026-11850: integer underflow in berval2tldata leads to heap out-of-bounds read bsc1268131. - CVE-2026-40355: Denial of Service via NULL pointer dereference in NegoEx mechanism bsc1263366. - CVE-2026-40356: Denial of Service via...

SUSE-SU-2026:2847-1 Security update for krb5

This update for krb5 fixes the following issue - CVE-2026-11850: integer underflow in berval2tldata leads to heap out-of-bounds read bsc1268131...

OPENSUSE-SU-2026:21290-1 Security update for sssd

This update for sssd fixes the following issues - CVE-2026-14474: sudo LDAP provider searches entire directory tree for sudoRole objects by default, enabling privilege escalation bsc1270709. - CVE-2026-14476: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication...

Security Bulletin: Multiple vulnerabilities in IBM Rational Developer for i

Summary IBM Rational Developer for i is affected by a prototype pollution vulnerability in Axios CVE-2026-42033, an allocation without limits vulnerability in Axios CVE-2026-42034, an improper neutralization vulnerability in Axios CVE-2026-42035, an allocation without limits vulnerability in Axio...

CVE-2026-60109

Zeek before 8.0.9 contains a null pointer dereference vulnerability in its Kerberos protocol analyzer that allows unauthenticated remote attackers to crash the sensor by sending a crafted KRBERROR message with error-code 25 KDCERRPREAUTHREQUIRED containing a PA-DATA element with padata-type 2, 3,...

CVE-2026-60109 Zeek < 8.0.9 Null Pointer Dereference DoS via Kerberos KRB_ERROR Parsing

Zeek before 8.0.9 contains a null pointer dereference vulnerability in its Kerberos protocol analyzer that allows unauthenticated remote attackers to crash the sensor by sending a crafted KRBERROR message with error-code 25 KDCERRPREAUTHREQUIRED containing a PA-DATA element with padata-type 2, 3,...

EUVD-2026-42598

Zeek before 8.0.9 contains a null pointer dereference vulnerability in its Kerberos protocol analyzer that allows unauthenticated remote attackers to crash the sensor by sending a crafted KRBERROR message with error-code 25 KDCERRPREAUTHREQUIRED containing a PA-DATA element with padata-type 2, 3,...