Bug 2481893 (CVE-2026-42769) - CVE-2026-42769 openssl: Trust-Anchor Substitution via cert/issuer Typo in CMP rootCaKeyUpdate
Summary: CVE-2026-42769 openssl: Trust-Anchor Substitution via cert/issuer Typo in CMP...
Keywords:
Status: NEW
Alias: CVE-2026-42769
Deadline: 2026-06-09
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-27 14:20 UTC by OSIDB Bzimport
Modified: 2026-06-15 20:50 UTC (History)
3 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2026:26057 0 None None None 2026-06-15 20:24:41 UTC
Red Hat Product Errata RHBA-2026:26059 0 None None None 2026-06-15 20:50:04 UTC
Red Hat Product Errata RHSA-2026:25237 0 None None None 2026-06-11 12:32:04 UTC
Red Hat Product Errata RHSA-2026:25239 0 None None None 2026-06-11 12:34:39 UTC

Description OSIDB Bzimport 2026-05-27 14:20:11 UTC 
An error in the callback used to verify the certificate provided in a Root CA key update Certificate Management Protocol (CMP) message response rendered the certificate validation ineffectual, which could lead to escalation of credentials from the Registration Authority (RA) level to the root Certification Authority (root CA) level.
Comment 2 errata-xmlrpc 2026-06-11 12:32:03 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:25237 https://access.redhat.com/errata/RHSA-2026:25237
Comment 3 errata-xmlrpc 2026-06-11 12:34:38 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:25239 https://access.redhat.com/errata/RHSA-2026:25239
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