CoreDNS ACL Bypass
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.7epss 0.4%
probabilidade de exploração
0.4%top 69% das CVEs
exploração observada
nãonenhuma fonte reporta
CoreDNS is a DNS server that chains plugins. Prior to version 1.14.2, a logical vulnerability in CoreDNS allows DNS access controls to be bypassed due to the default execution order of plugins. Security plugins such as acl are evaluated before the rewrite plugin, resulting in a Time-of-Check Time-of-Use (TOCTOU) flaw. This issue has been patched in version 1.14.2.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Produtos afetados
coredns · corednsReferências
https://access.redhat.com/errata/RHSA-2026:25127https://access.redhat.com/errata/RHSA-2026:36873https://access.redhat.com/errata/RHSA-2026:8151https://access.redhat.com/security/cve/CVE-2026-26017https://bugzilla.redhat.com/show_bug.cgi?id=2445244https://github.com/coredns/coredns/releases/tag/v1.14.2https://github.com/coredns/coredns/security/advisories/GHSA-c9v3-4pv7-87prhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-26017.json