CVE-2026-26017

CoreDNS ACL Bypass

CVE-2026-26017 is fixed in 2 products on 1 platform, first by SUSE-SU-2026:1042-1, released March 25, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.7

Important

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0042

36th percentile

fixes bsc#1259320

Where it's fixed

Product	Fixed in	Fix	Released
Linux
coredns · opensuse-leap 16.0	1.14.2-bp160.1.1	OPENSUSE-SU-2026:20619-1	Apr 23, 2026
govulncheck-vulndb · opensuse-leap 15.6	0.0.20260317T205859-150000.1.152.1	SUSE-SU-2026:1042-1	Mar 25, 2026
govulncheck-vulndb · opensuse-leap 16.0	0.0.20260723T184607-160000.1.1	OPENSUSE-SU-2026:21483-1	Jul 30, 2026

Details

Published
March 9, 2026
Weakness
Time-of-check Time-of-use (TOCTOU) Race Condition
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26017

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