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Additionally, the in-memory keyring returned by NewKeyring() now rejects keys with unsupported constraint extensions instead of silently ignoring them."}],"affected":[{"vendor":"golang.org/x/crypto","product":"golang.org/x/crypto/ssh/agent","collectionURL":"https://pkg.go.dev","packageName":"golang.org/x/crypto/ssh/agent","versions":[{"version":"0","lessThan":"0.52.0","status":"affected","versionType":"semver"}],"programRoutines":[{"name":"client.Add"},{"name":"keyring.Add"}],"defaultStatus":"unaffected"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-281: Improper Preservation of Permissions"}]}],"references":[{"url":"https://go.dev/issue/79435"},{"url":"https://go.dev/cl/778642"},{"url":"https://groups.google.com/g/golang-announce/c/a082jnz-LvI"},{"url":"https://pkg.go.dev/vuln/GO-2026-5006"}],"credits":[{"lang":"en","value":"NCC Group Cryptography Services, sponsored by 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When a key was added to a remote agent, security restrictions, known as constraint extensions, were not properly processed during the request. This allowed these restrictions to be silently removed when keys were forwarded, leading to the unrestricted use of the key on the remote host. This vulnerability could enable an attacker to bypass intended security controls and perform unauthorized actions."}],"metrics":[{"other":{"content":{"namespace":"https://access.redhat.com/security/updates/classification/","value":"Important"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-281","description":"Improper Preservation of Permissions","lang":"en","type":"CWE"}]}],"references":[{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-39832"},{"name":"RHBZ#2480685","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2480685"},{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-39832.json"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:36796"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:36199"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:37072"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:35833"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:37123"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:36625"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:36319"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:36651"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:36648"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:36797"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:37271"}],"solutions":[{"lang":"en","value":"RHSA-2026:36796: RHEM 1.0 for RHEL 9"},{"lang":"en","value":"RHSA-2026:36199: Red Hat Enterprise Linux AppStream (v. 10)"},{"lang":"en","value":"RHSA-2026:37072: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)"},{"lang":"en","value":"RHSA-2026:35833: Red Hat Enterprise Linux AppStream (v. 8)"},{"lang":"en","value":"RHSA-2026:37123: Red Hat Enterprise Linux AppStream (v. 9)"},{"lang":"en","value":"RHSA-2026:36625: Red Hat Advanced Cluster Security for Kubernetes 4.10"},{"lang":"en","value":"RHSA-2026:36319: Red Hat Advanced Cluster Security for Kubernetes 4.9"},{"lang":"en","value":"RHSA-2026:36651: Red Hat Edge Manager 1.0"},{"lang":"en","value":"RHSA-2026:36648: Red Hat OpenShift Builds 1.7.4"},{"lang":"en","value":"RHSA-2026:36797: Red Hat Trusted Artifact Signer 1.4"},{"lang":"en","value":"RHSA-2026:37271: Red Hat Trusted Artifact Signer 1.4"}],"timeline":[{"lang":"en","time":"2026-05-22T04:01:41.402Z","value":"Reported to Red Hat."},{"lang":"en","time":"2026-05-22T02:31:26.660Z","value":"Made public."}],"title":"golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: Security bypass due to improper handling of key restrictions","workarounds":[{"lang":"en","value":"Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}],"x_adpType":"supplier","x_generator":{"engine":"sadp-cli 1.0.0"},"providerMetadata":{"orgId":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","shortName":"redhat-SADP","dateUpdated":"2026-07-09T12:09:13.890Z"}}]}}