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TI-2026-69096 Aliases CVE-2026-106589GHSA-8wpc-x9xg-9q94

Unexpected root privileges in OpenSSH sshd-session on some platforms

Priority LOW 13CWE-272Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

OpenBSD OpenSSH through 10.6 is affected. In sshd in certain environments such as QNX 6 and SCO OpenServer 5, sshd-session can unexpectedly run with root privileges, a least privilege violation (CWE-272). The flaw relates to the GatewayPorts and StreamLocalForwarding options and the lack of file-descriptor passing and unprivileged PTY allocation. A local user with no privileges can reach this under high attack complexity.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

In sshd in OpenSSH through 10.6, in certain environments such as QNX 6 and SCO OpenServer 5, sshd-session can unexpectedly have root privileges. This is related to the GatewayPorts and StreamLocalForwarding configuration options, and lack of support for file-descriptor passing and unprivileged allocation of PTY devices.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00082 0th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OpenBSDOpenSSHup to 10.6—No fix listedCNA
  • OpenSSH VendorOpenBSD Affected up to 10.6 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*——OpenBSD
  • cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:* Versions — — ·OpenBSD

Remediation

The sources list no fixed version for OpenSSH.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

Not affected: 8 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • Red Hat Hardened Images
  • Red Hat OpenShift Container Platform 4
  • Red Hat OpenShift Container Platform 5

Timeline

  1. 2026-10-07 Threatist record created from CVE-2026-106589
  2. 2026-10-07 Alias added: GHSA-8wpc-x9xg-9q94
  3. 2026-10-07 CISA SSVC decision points changed
  4. 2026-10-20 Affected versions changed · Red Hat
  5. 2026-10-20 CVSS score added · Red Hat
  6. 2026-11-06 Affected versions changed · Red Hat

References

Other 1

  • TI-2020-05854 smtp_mailaddr in smtp_session.c in OpenSMTPD 6.6, as used in OpenBSD 6.6 and other… KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-19792 The PKCS#11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently… CVSS 3.1CRITICAL 9.8
  • TI-2002-00376 Integer overflow in xdr_array function in RPC servers for operating systems that use… CVSS 3.1CRITICAL 9.8
  • TI-2024-05929 Openssh: regresshion - race condition in ssh allows rce/dos CVSS 3.1HIGH 8.1
  • TI-2003-00437 Off-by-one error in the fb_realpath() function, as derived from the realpath function in… CVSS 3.1CRITICAL 9.8
  • TI-2007-05153 Stack-based buffer overflow in the cons_options function in options.c in dhcpd in OpenBSD… CVSS 2.0HIGH 7.2
See all 369 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences