CVE-2026-81642: Heap-based Buffer Overflow

In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in the DNSSEC validator that enables denial of service and possible remote code execution as a result of digesting DNSKEYs. A DNSKEY with an owner compression pointer to its own RDATA can overflow the digest buffer. Remot...

CVE-2026-82720: Use After Free

NLnet Labs Unbound 1.12.0 up to and including 1.26.0 has a use-after-free vulnerability when compiled for DNS-over-HTTPs support with '--with-libnghttp2'. During failure code paths i.e., RPZ drop query, jostle due to heavy traffic, a dropped DoH stream brings down the whole DoH session and does n...

PT-2026-93374

Name of the Vulnerable Software and Affected Versions NLnet Labs Unbound versions prior to 1.26.1 Description A heap buffer overflow exists in the DNSSEC validator. The issue occurs during CNAME synthesis when an upstream response requires the enforcement of a maximum TTL value in the packet...

CVE-2026-81634: Heap-based Buffer Overflow

In NLnet Labs Unbound up to and including 1.26.0, a 255 length query name with a large TCP response can lead to a heap buffer overflow during the RRSet canonicalisation routine. This is caused by missing to add the first owner name into the buffer length check. A malicious actor operating a...

CVE-2026-78227: Use After Free

NLnet Labs Unbound 1.22.0 up to and including 1.26.1, has a use-after-free vulnerability when compiled for DNS-over-QUIC support with '--with-libngtcp2'. Each DoQ stream owns an output buffer that holds the DNS response. ngtcp2's retransmission buffer keeps a shallow pointer into the output buffe...

CVE-2026-85501: Allocation of Resources Without Limits or Throttling

Novel vulnerabilities to launch algorithmic complexity attacks on DNSSEC have been researched under the term 'ReTrap'. These result in degradation of service when malicious zones are used to serve the algorithmic complexity vulnerabilities. NLnet Labs Unbound up to and including 1.26.0 is...

CVE-2026-77955: Insufficient Verification of Data Authenticity

In NLnet Labs Unbound 1.13.2 up to and including 1.26.1, a vulnerability in ZONEMD configured zones zonemd-check: yes which are located below but not at a trust anchor allow for an attack window where tampered with zone contents are served or stored to disk prior to the ZONEMD integrity check. Th...

PT-2026-93369

Name of the Vulnerable Software and Affected Versions NLnet Labs Unbound versions 1.13.2 through 1.26.1 Description Zones configured with zonemd-check: yes that are located below a trust anchor contain a flaw where tampered zone contents may be served or stored to disk before the ZONEMD integrity...

CVE-2026-77955: Insufficient Verification of Data Authenticity

In NLnet Labs Unbound 1.13.2 up to and including 1.26.1, a vulnerability in ZONEMD configured zones zonemd-check: yes which are located below but not at a trust anchor allow for an attack window where tampered with zone contents are served or stored to disk prior to the ZONEMD integrity check. Th...

PT-2026-93376

Name of the Vulnerable Software and Affected Versions NLnet Labs Unbound versions prior to 1.26.1 Description Algorithmic complexity attacks, researched as 'ReTrap', can lead to service degradation when malicious zones are used. These attacks include TagTrap, where the tripleZone, Algo, KeyTag...

Linux Distros Unpatched Vulnerability : CVE-2026-81634

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In NLnet Labs Unbound up to and including 1.26.0, a 255 length query name with a large TCP response can lead to a heap buffer overflow during the RRSet...

Linux Distros Unpatched Vulnerability : CVE-2026-82717

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in that can progressively corrupt heap memory and under certain systems and...

Linux Distros Unpatched Vulnerability : CVE-2026-78227

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NLnet Labs Unbound 1.22.0 up to and including 1.26.1, has a use-after-free vulnerability when compiled for DNS-over-QUIC support with '--with-libngtcp2'. Each D...

Linux Distros Unpatched Vulnerability : CVE-2026-82720

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NLnet Labs Unbound 1.12.0 up to and including 1.26.0 has a use-after-free vulnerability when compiled for DNS-over-HTTPs support with '--with-libnghttp2'. Durin...

Linux Distros Unpatched Vulnerability : CVE-2026-85501

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Novel vulnerabilities to launch algorithmic complexity attacks on DNSSEC have been researched under the term 'ReTrap'. These result in degradation of service wh...

Linux Distros Unpatched Vulnerability : CVE-2026-77955

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In NLnet Labs Unbound 1.13.2 up to and including 1.26.1, a vulnerability in ZONEMD configured zones zonemd-check: yes which are located below but not at a trust...

CVE-2026-90814 cosmicstack-labs mercury-agent GitHub API github.ts githubRequest server-side request forgery

A flaw has been found in cosmicstack-labs mercury-agent up to 1.1.13. Affected by this vulnerability is the function githubRequest of the file src/utils/github.ts of the component GitHub API Handler. This manipulation of the argument path causes server-side request forgery. Remote exploitation of...

EUVD-2026-77773

A vulnerability was detected in cosmicstack-labs mercury-agent up to 1.1.13. Affected is the function checkShellCommand of the file src/capabilities/permissions.ts of the component Shell Command Execution. The manipulation results in incorrect behavior order: validate before canonicalize. The...

CVE-2026-90812 cosmicstack-labs mercury-agent Shell Command Permission permissions.ts checkShellCommand privileges assignment

A security vulnerability has been detected in cosmicstack-labs mercury-agent up to 1.2.0. This impacts the function checkShellCommand of the file src/capabilities/permissions.ts of the component Shell Command Permission. The manipulation leads to incorrect privilege assignment. The attack may be...

EUVD-2026-77766

A weakness has been identified in cosmicstack-labs mercury-agent up to 1.2.0. This affects the function PermissionManager.checkShellCommand of the file mercury-agent/src/capabilities/permissions.ts of the component Shell Permission Manifest. Executing a manipulation can lead to information...