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SCA: security update for github.com/coredns/coredns (GHSA-qhmp-q7xh-99rh)

high Tenable Self-Hosted Container Security Plugin ID 440953

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - CoreDNS is a DNS server that chains plugins. In versions prior to 1.14.3, the tsig plugin can be bypassed
 on non-plain-DNS transports (DoT, DoH, DoH3, DoQ, and gRPC) because it trusts the transport writer's
 TsigStatus() instead of performing verification itself. The DoH and DoH3 writer's TsigStatus() always
 returns nil, the DoT server does not set TsigSecret on the dns.Server, and the DoQ and gRPC writers also
 unconditionally return nil. This allows an unauthenticated remote client to bypass TSIG-based
 authentication and access resources intended to be restricted behind a tsig require all policy. Plain DNS
 over TCP and UDP are not affected. This issue has been fixed in version 1.14.3. (CVE-2026-33190)

Solution

Update the github.com/coredns/coredns library and its related packages to version 1.14.3 or later.

See Also

https://github.com/advisories/GHSA-qhmp-q7xh-99rh

Plugin Details

Severity: High

ID: 440953

Version: Revision 1.6

Type: Local

Family: SCA Checks

Published: 4/29/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2026-33190

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 7.7

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/28/2026

Vulnerability Publication Date: 4/28/2026

Reference Information

CVE: CVE-2026-33190