{"cve":{"cve_id":"CVE-2026-39833","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00487,"epss_percentile":0.40471,"epss_as_of":"2026-10-15","description":"The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was not in effect. NewKeyring() now returns an error when unsupported constraints are requested.","published_at":"2026-05-22T02:31:26.294000Z","last_modified_at":"2026-08-11T22:17:25.250000Z","cvss_v3_score":9.1,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","cvss_v3_severity":"CRITICAL","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"none","ssvc_automatable":true,"ssvc_technical_impact":"total","cwes":["CWE-862"],"nvd_references":["https://go.dev/issue/79436","https://go.dev/cl/778642","https://groups.google.com/g/golang-announce/c/a082jnz-LvI","https://pkg.go.dev/vuln/GO-2026-5005"],"vuln_status":"Modified","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-08-13T20:20:23.063882Z"},"effective_severity":"CRITICAL","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"golang","vendor_name":"Golang","product_slug":"crypto","product_name":"crypto","version_start":null,"version_start_inclusive":null,"version_end":"0.52.0","version_end_inclusive":false,"cpe23_uri":"cpe:2.3:a:golang:crypto:*:*:*:*:*:go:*:*"},{"vendor_slug":"golang.org-x-crypto","vendor_name":"golang.org/x/crypto","product_slug":"golang.org-x-crypto-ssh-agent","product_name":"golang.org/x/crypto/ssh/agent","version_start":"0","version_start_inclusive":true,"version_end":"0.52.0","version_end_inclusive":false,"cpe23_uri":"cve5:golang.org-x-crypto:golang.org-x-crypto-ssh-agent:0:0.52.0"}],"exploit_refs":[],"news":[],"references":[{"url":"https://go.dev/issue/79436","source_type":"MISC","tags":[]},{"url":"https://go.dev/cl/778642","source_type":"MISC","tags":[]},{"url":"https://groups.google.com/g/golang-announce/c/a082jnz-LvI","source_type":"MISC","tags":[]},{"url":"https://pkg.go.dev/vuln/GO-2026-5005","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-05-22T02:31:26.294000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:53:39.415886Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:53:39.415886Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:53:39.415886Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T23:46:59.033383Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T23:46:59.033383Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T23:46:59.033383Z","label":"SSVC decision revised","source":"vulnrichment"}]}