{"cve":"CVE-2026-39828","nvd":{"published":"2026-05-22T04:16:22.190","modified":"2026-09-11T13:17:51.260","status":"Modified","description":"When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as force-command after a second factor succeeded. Returning non-nil Permissions with PartialSuccessError now results in a connection error.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","score":6.3},"cwes":["CWE-295","CWE-281"],"references":["https://go.dev/cl/781621","https://go.dev/issue/79562","https://groups.google.com/g/golang-announce/c/a082jnz-LvI","https://pkg.go.dev/vuln/GO-2026-5014","https://access.redhat.com/errata/RHSA-2026:26546"],"products":["golang:crypto"],"source":"nvd","synced_at":"2026-10-19T22:36:28.938604137+00:00"},"epss":{"cve":"CVE-2026-39828","score":0.00369,"percentile":0.3079,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-45gg-vh54-h5m9","url":"https://osv.dev/vulnerability/GHSA-45gg-vh54-h5m9","summary":"golang.org/x/crypto vulnerable to invoking bypass of certificate restrictions","modified":"2026-09-10T03:51:07.761861882Z","packages":[{"ecosystem":"Go","name":"golang.org/x/crypto","purl":"pkg:golang/golang.org/x/crypto","ranges":["<0.52.0"],"fixed":["0.52.0"]}]},{"id":"GO-2026-5014","url":"https://osv.dev/vulnerability/GO-2026-5014","summary":"Invoking bypass of certificate restrictions in golang.org/x/crypto/ssh","modified":"2026-07-17T10:29:28.281906633Z","packages":[{"ecosystem":"Go","name":"golang.org/x/crypto","purl":"pkg:golang/golang.org/x/crypto","ranges":["<0.52.0"],"fixed":["0.52.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}