Bug 2497929 (CVE-2026-59997) - CVE-2026-59997 openssh: OpenSSH: SFTP security bypass due to command-line argument parsing flaw
Summary: CVE-2026-59997 openssh: OpenSSH: SFTP security bypass due to command-line arg...
Keywords:
Status: NEW
Alias: CVE-2026-59997
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-07-08 01:01 UTC by OSIDB Bzimport
Modified: 2026-10-22 13:52 UTC (History)
21 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 RHSA-2026:85847 0 None None None 2026-10-20 09:19:56 UTC
Red Hat Product Errata RHSA-2026:85958 0 None None None 2026-10-20 18:41:59 UTC
Red Hat Product Errata RHSA-2026:88211 0 None None None 2026-10-22 13:52:42 UTC

Description OSIDB Bzimport 2026-07-08 01:01:32 UTC 
internal-sftp in sshd in OpenSSH before 10.4 recognizes only the first 9 command-line arguments, which can be important if a later command-line argument would have helped to ensure the intended security properties of an SFTP connection.
Comment 4 Jon Orris 2026-10-20 09:19:54 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:85847 https://access.redhat.com/errata/RHSA-2026:85847
Comment 5 Jon Orris 2026-10-20 18:41:57 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:85958 https://access.redhat.com/errata/RHSA-2026:85958
Comment 6 Jon Orris 2026-10-22 13:52:40 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:88211 https://access.redhat.com/errata/RHSA-2026:88211
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