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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-39832

When adding a key to a remote agent constraint extensions such as restrict-destination-v00@openssh.com were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all constraint extensions. Additionally, the in-memory keyring returned by NewKeyring() now rejects keys with unsupported constraint extensions instead of silently ignoring them.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 21.2%
CVSS Severity
CVSS v3 Score 9.1
Products affected by CVE-2026-39832
  • Golang » Crypto » Version: 0.1.0
    cpe:2.3:a:golang:crypto:0.1.0
  • Golang » Crypto » Version: 0.10.0
    cpe:2.3:a:golang:crypto:0.10.0
  • Golang » Crypto » Version: 0.11.0
    cpe:2.3:a:golang:crypto:0.11.0
  • Golang » Crypto » Version: 0.12.0
    cpe:2.3:a:golang:crypto:0.12.0
  • Golang » Crypto » Version: 0.13.0
    cpe:2.3:a:golang:crypto:0.13.0
  • Golang » Crypto » Version: 0.14.0
    cpe:2.3:a:golang:crypto:0.14.0
  • Golang » Crypto » Version: 0.15.0
    cpe:2.3:a:golang:crypto:0.15.0
  • Golang » Crypto » Version: 0.16.0
    cpe:2.3:a:golang:crypto:0.16.0
  • Golang » Crypto » Version: 0.17.0
    cpe:2.3:a:golang:crypto:0.17.0
  • Golang » Crypto » Version: 0.18.0
    cpe:2.3:a:golang:crypto:0.18.0
  • Golang » Crypto » Version: 0.19.0
    cpe:2.3:a:golang:crypto:0.19.0
  • Golang » Crypto » Version: 0.2.0
    cpe:2.3:a:golang:crypto:0.2.0
  • Golang » Crypto » Version: 0.20.0
    cpe:2.3:a:golang:crypto:0.20.0
  • Golang » Crypto » Version: 0.21.0
    cpe:2.3:a:golang:crypto:0.21.0
  • Golang » Crypto » Version: 0.22.0
    cpe:2.3:a:golang:crypto:0.22.0
  • Golang » Crypto » Version: 0.23.0
    cpe:2.3:a:golang:crypto:0.23.0
  • Golang » Crypto » Version: 0.24.0
    cpe:2.3:a:golang:crypto:0.24.0
  • Golang » Crypto » Version: 0.25.0
    cpe:2.3:a:golang:crypto:0.25.0
  • Golang » Crypto » Version: 0.26.0
    cpe:2.3:a:golang:crypto:0.26.0
  • Golang » Crypto » Version: 0.27.0
    cpe:2.3:a:golang:crypto:0.27.0
  • Golang » Crypto » Version: 0.28.0
    cpe:2.3:a:golang:crypto:0.28.0
  • Golang » Crypto » Version: 0.29.0
    cpe:2.3:a:golang:crypto:0.29.0
  • Golang » Crypto » Version: 0.3.0
    cpe:2.3:a:golang:crypto:0.3.0
  • Golang » Crypto » Version: 0.30.0
    cpe:2.3:a:golang:crypto:0.30.0
  • Golang » Crypto » Version: 0.31.0
    cpe:2.3:a:golang:crypto:0.31.0
  • Golang » Crypto » Version: 0.32.0
    cpe:2.3:a:golang:crypto:0.32.0
  • Golang » Crypto » Version: 0.33.0
    cpe:2.3:a:golang:crypto:0.33.0
  • Golang » Crypto » Version: 0.34.0
    cpe:2.3:a:golang:crypto:0.34.0
  • Golang » Crypto » Version: 0.35.0
    cpe:2.3:a:golang:crypto:0.35.0
  • Golang » Crypto » Version: 0.36.0
    cpe:2.3:a:golang:crypto:0.36.0
  • Golang » Crypto » Version: 0.37.0
    cpe:2.3:a:golang:crypto:0.37.0
  • Golang » Crypto » Version: 0.38.0
    cpe:2.3:a:golang:crypto:0.38.0
  • Golang » Crypto » Version: 0.39.0
    cpe:2.3:a:golang:crypto:0.39.0
  • Golang » Crypto » Version: 0.4.0
    cpe:2.3:a:golang:crypto:0.4.0
  • Golang » Crypto » Version: 0.40.0
    cpe:2.3:a:golang:crypto:0.40.0
  • Golang » Crypto » Version: 0.41.0
    cpe:2.3:a:golang:crypto:0.41.0
  • Golang » Crypto » Version: 0.42.0
    cpe:2.3:a:golang:crypto:0.42.0
  • Golang » Crypto » Version: 0.43.0
    cpe:2.3:a:golang:crypto:0.43.0
  • Golang » Crypto » Version: 0.44.0
    cpe:2.3:a:golang:crypto:0.44.0
  • Golang » Crypto » Version: 0.45.0
    cpe:2.3:a:golang:crypto:0.45.0
  • Golang » Crypto » Version: 0.46.0
    cpe:2.3:a:golang:crypto:0.46.0
  • Golang » Crypto » Version: 0.47.0
    cpe:2.3:a:golang:crypto:0.47.0
  • Golang » Crypto » Version: 0.48.0
    cpe:2.3:a:golang:crypto:0.48.0
  • Golang » Crypto » Version: 0.49.0
    cpe:2.3:a:golang:crypto:0.49.0
  • Golang » Crypto » Version: 0.5.0
    cpe:2.3:a:golang:crypto:0.5.0
  • Golang » Crypto » Version: 0.50.0
    cpe:2.3:a:golang:crypto:0.50.0
  • Golang » Crypto » Version: 0.51.0
    cpe:2.3:a:golang:crypto:0.51.0
  • Golang » Crypto » Version: 0.6.0
    cpe:2.3:a:golang:crypto:0.6.0
  • Golang » Crypto » Version: 0.7.0
    cpe:2.3:a:golang:crypto:0.7.0
  • Golang » Crypto » Version: 0.8.0
    cpe:2.3:a:golang:crypto:0.8.0
  • Golang » Crypto » Version: 0.9.0
    cpe:2.3:a:golang:crypto:0.9.0


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