ssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destination constraints.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Mar 17, 2023 · NIST NVD

   Detected

   ssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destination constraints. The earliest affected version is 8.9.

2. Oct 14, 2026 · NIST NVD

   Updated

   ssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destination constraints. The earliest affected version is 8.9.

Affected

• cpe netapp/brocade fabric operating systemversion unspecified
• cpe netapp/hci bootstrap osversion unspecified
• cpe netapp/solidfire element osversion unspecified
• cpe openbsd/opensshversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2023-28531

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2023-28531

  30-day exploitation probability 3.0%

  first.org
• NIST NVDVulnerability recordCVE-2023-28531

  ssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destination constraints. The earliest affected version is 8.9.

  nvd.nist.gov

References

• Reference · lists.fedoraproject.org
• Reference · lists.fedoraproject.org
• Third Party Advisory · security.gentoo.org
• Third Party Advisory · security.netapp.com
• Reference · debian.org
• Mailing List · openwall.com