CVE-2026-39832
critical · 9.1When adding a key to a remote agent constraint extensions such as [email protected] 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.
9.1
CVSS
0.6%
EPSS (exploit prob.)
47th
EPSS percentile
2026-05-22
Published
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weaknesses
CWE-502CWE-281
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| golang | crypto | < 0.52.0 |
Check a specific version with /api/v1/cve/match.
References
- https://go.dev/cl/778640
- https://go.dev/cl/778641
- https://go.dev/issue/79435
- https://groups.google.com/g/golang-announce/c/a082jnz-LvI
- https://pkg.go.dev/vuln/GO-2026-5006
- https://access.redhat.com/errata/RHSA-2026:35833
- https://access.redhat.com/errata/RHSA-2026:36199
- https://access.redhat.com/errata/RHSA-2026:36319
- https://access.redhat.com/errata/RHSA-2026:36625
- https://access.redhat.com/errata/RHSA-2026:36648
- https://access.redhat.com/errata/RHSA-2026:36651
- https://access.redhat.com/errata/RHSA-2026:36796
- https://access.redhat.com/errata/RHSA-2026:36797
- https://access.redhat.com/errata/RHSA-2026:37072
- https://access.redhat.com/errata/RHSA-2026:37123
- https://access.redhat.com/errata/RHSA-2026:37271
- https://access.redhat.com/errata/RHSA-2026:37387
- https://access.redhat.com/errata/RHSA-2026:37410
- https://access.redhat.com/errata/RHSA-2026:40118
- https://access.redhat.com/errata/RHSA-2026:40262
- https://access.redhat.com/errata/RHSA-2026:40945
- https://access.redhat.com/errata/RHSA-2026:40972
- https://access.redhat.com/errata/RHSA-2026:41019
- https://access.redhat.com/errata/RHSA-2026:41031
- https://access.redhat.com/errata/RHSA-2026:41036
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2026-39832