PT-2026-35876 · Coredns · Coredns

Manizada · Published 2026-04-28 · Updated 2026-05-13 · CVE-2026-33190

Positive Technologies (AI Summary)

CVSS v4.0

8.7

High

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions CoreDNS (affected versions not specified)

Description A TSIG authentication bypass exists in CoreDNS affecting modern transports. TSIG (Transaction Signature) is a mechanism used to authenticate DNS messages.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Authentication

Weakness Enumeration

CWE-287

CWE-303

Related Identifiers

CVE-2026-33190

GHSA-QHMP-Q7XH-99RH

OPENSUSE-SU-2026:10673-1

Affected Products

Coredns

References · 18

• 🔥 https://github.com/coredns/coredns/security/advisories/GHSA-qhmp-q7xh-99rh · Exploit
• https://osv.dev/vulnerability/openSUSE-SU-2026:10673-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-33190 · Security Note
• https://osv.dev/vulnerability/GHSA-qhmp-q7xh-99rh · Vendor Advisory
• https://github.com/coredns/coredns/releases/tag/v1.14.3 · Note
• https://github.com/coredns/coredns · Note
• https://twitter.com/dailycve/status/2049298040981209489 · Twitter Post
• https://reddit.com/r/VulnMatter/comments/1sz0bq3/resumen_diario_de_vulnerabilidades_29042026 · Reddit Post
• https://t.me/cveNotify/162553 · Telegram Post
• https://twitter.com/YourAnon_irc/status/2054456006654996984 · Twitter Post
• https://twitter.com/infoflowcloud/status/2051760553106735178 · Twitter Post
• https://suse.com/security/cve/CVE-2026-32282 · Note
• https://twitter.com/CVEnew/status/2051758521834680643 · Twitter Post
• https://suse.com/security/cve/CVE-2026-33190 · Note
• https://suse.com/security/cve/CVE-2026-27140 · Note