CVE-2026-49256

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, restricted tag and tag-group names attached to publicly readable categories as allowedtags, allowedtaggroups, or required tag groups could leak to anonymous and unauthorized users through categor...

CVE-2026-49256

CVE-2026-49256 (Discourse) concerns a leakage vulnerability where restricted tag names and tag-group names attached to publicly readable categories could be exposed to anonymous/unauthorized users via category and group endpoints. Affected versions include prior to 2026.6.0, 2026.5.1, 2026.4.2, a...

CVE-2026-49256 Discourse: Hidden tag names leaked via category serializers

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, restricted tag and tag-group names attached to publicly readable categories as allowedtags, allowedtaggroups, or required tag groups could leak to anonymous and unauthorized users through categor...

CVE-2026-49256 Discourse: Hidden tag names leaked via category serializers

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, restricted tag and tag-group names attached to publicly readable categories as allowedtags, allowedtaggroups, or required tag groups could leak to anonymous and unauthorized users through categor...

golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing

A flaw was found in golang.org/x/net/idna. ToASCII and ToUnicode incorrectly accept Punycode-encoded labels that decode to an ASCII-only hostname for example, xn--example-.com returns example.com instead of an error. Applications that validate the ASCII form then convert to Unicode may grant acce...

Security update for rustup

This update for rustup fixes the following issues Security issues: CVE-2024-12224: idna: idna accepts Punycode labels that do not produce any non-ASCII when decoded bsc1243862. CVE-2025-58160: tracing-subscriber: Tracing log pollution bsc1249008. CVE-2026-41676: openssl: Deriver:derive and...

Security update for warewulf4

This update for warewulf4 fixes the following issues: Update to v4.7.0. Security issues fixed: CVE-2025-69725: incorrect input validation in the RedirectSlashes function can lead to an open redirect bsc1258511. CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport when given b...

Security update for gnutls

This update for gnutls fixes the following issues CVE-2025-14831: excessive resource consumption when verifying specially crafted malicious certificates containing a large number of name constraints and SANs bsc1257960. CVE-2026-3833: incorrectly accepted domain names due to comparison during nam...

SUSE-SU-2026:2822-1 Security update for gnutls

This update for gnutls fixes the following issues - CVE-2025-14831: excessive resource consumption when verifying specially crafted malicious certificates containing a large number of name constraints and SANs bsc1257960. - CVE-2026-3833: incorrectly accepted domain names due to comparison during...

unbound: Unbound: Cache manipulation via 'ghost domain names' attack

A flaw was found in NLnet Labs Unbound. A remote attacker, by controlling a malicious domain a "ghost zone" and querying a vulnerable Unbound server, could exploit a vulnerability related to "ghost domain names" attacks. This could allow the attacker to overwrite cached Name Server NS records,...

Important: Red Hat Security Advisory: unbound security update

An update for unbound is now available for Red Hat Enterprise Linux 8. 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 t...

USN-8521-1: Libidn vulnerability

It was discovered that Libidn incorrectly handled certain internationalized domain name strings. An attacker could possibly use this issue to obtain sensitive information or cause a denial of service...

EUVD-2026-42550

The Hydra Booking – Appointment Scheduling & Booking Calendar plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to, and including, 1.2.1 via the /wp-json/hydra-booking/v1/booking/details/id REST endpoint. This is due to the getBookingDetails callback only...

Linux Distros Unpatched Vulnerability : CVE-2026-59890

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - setuptools is a package that allows users to download, build, install, upgrade, and uninstall Python packages. Prior to 83.0.0, FileList applied MANIFEST.in...

PT-2026-56997

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2026.6.0 Discourse versions prior to 2026.5.1 Discourse versions prior to 2026.4.2 Discourse versions prior to 2026.1.5 Description Restricted tag and tag-group names attached to publicly readable categories as...

PT-2026-56732

Name of the Vulnerable Software and Affected Versions Pinniped go.pinniped.dev versions 0.11.0 through 0.46.0 Description A user authenticating to Kubernetes clusters via the Pinniped Supervisor could potentially gain elevated permissions. This occurs when the server is configured with an...

CVE-2026-55830

RestrictedPython is a tool that helps to define a subset of the Python language which allows to provide a program input into a trusted environment. Prior to 8.3, checkfunctionargumentnames rejected protected guard hook names for regular, variadic, and keyword-only arguments but omitted...

CVE-2026-55830

RestrictedPython is a tool that helps to define a subset of the Python language which allows to provide a program input into a trusted environment. Prior to 8.3, checkfunctionargumentnames rejected protected guard hook names for regular, variadic, and keyword-only arguments but omitted...

PYSEC-2026-3447

setuptools is a package that allows users to download, build, install, upgrade, and uninstall Python packages. Prior to 83.0.0, FileList applied MANIFEST.in exclude, global-exclude, recursive-exclude, and prune directives by matching compiled glob patterns against on-disk file names without Unico...

unbound: Unbound: Cache manipulation via 'ghost domain names' attack

A flaw was found in NLnet Labs Unbound. A remote attacker, by controlling a malicious domain a "ghost zone" and querying a vulnerable Unbound server, could exploit a vulnerability related to "ghost domain names" attacks. This could allow the attacker to overwrite cached Name Server NS records,...