# CVE-2026-39828: Invoking  bypass of certificate restrictions in golang.org/x/crypto/ssh

CVE-2026-39828 is fixed in 49 products on 1 platform, first by DEBIAN-CVE-2026-39828, released May 22, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-39828
- Priority: High
- CVSS: 8.8 (Moderate)
- EPSS: 0.0037
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 22, 2026
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-39828

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | alloy opensuse-leap 16.0 | 1.17.0-160000.1.1 | [OPENSUSE-SU-2026:21251-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21251-1.md) | Jul 7, 2026 |
| Linux | alloy sles 15.7 | 1.17.1-150700.15.23.1 | [SUSE-SU-2026:2824-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2824-1.md) | Jul 9, 2026 |
| Linux | alloy sles 16.0 | 1.17.0-160000.1.1 | [SUSE-SU-2026:22575-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22575-1.md) | Jul 7, 2026 |
| Linux | amazon-cloudwatch-agent amzn 2023 | 1.300069.1-1.amzn2023 | [ALAS2023-2026-2025](https://patchblox.com/security/data/fix/linux/alas2023-2026-2025.md) | Aug 3, 2026 |
| Linux | amazon-ssm-agent opensuse-leap 16.0 | 3.3.4624.0-160000.1.1 | [OPENSUSE-SU-2026:21079-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21079-1.md) | Jun 17, 2026 |
| Linux | amazon-ssm-agent sles 15.6 | 3.3.4624.0-150000.5.37.1 | [SUSE-SU-2026:2467-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2467-1.md) | Jun 19, 2026 |
| Linux | amazon-ssm-agent sles 15.7 | 3.3.4624.0-150000.5.37.1 | [SUSE-SU-2026:2467-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2467-1.md) | Jun 19, 2026 |
| Linux | amazon-ssm-agent sles 16.0 | 3.3.4624.0-160000.1.1 | [SUSE-SU-2026:22157-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22157-1.md) | Jun 17, 2026 |
| Linux | apptainer sles 15.7 | 1.5.1-150600.4.24.1 | [SUSE-SU-2026:2609-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2609-1.md) | Jun 24, 2026 |
| Linux | buildah sles 15.6 | 1.35.5-150500.3.62.1 | [SUSE-SU-2026:2733-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2733-1.md) | Jul 2, 2026 |
| Linux | buildah sles 15.7 | 1.35.5-150500.3.62.1 | [SUSE-SU-2026:2733-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2733-1.md) | Jul 2, 2026 |
| Linux | caddy Fedora 43 | 2.10.2-9.fc43 | [FEDORA-2026-3DC324BD9A](https://patchblox.com/security/data/fix/linux/fedora-2026-3dc324bd9a.md) | Jun 23, 2026 |
| Linux | caddy-debuginfo Fedora 43 | 2.10.2-9.fc43 | [FEDORA-2026-3DC324BD9A](https://patchblox.com/security/data/fix/linux/fedora-2026-3dc324bd9a.md) | Jun 23, 2026 |
| Linux | caddy-debugsource Fedora 43 | 2.10.2-9.fc43 | [FEDORA-2026-3DC324BD9A](https://patchblox.com/security/data/fix/linux/fedora-2026-3dc324bd9a.md) | Jun 23, 2026 |
| Linux | cloudflared opensuse-leap 16.0 | 2026.9.1-bp160.1.1 | [OPENSUSE-SU-2026:21924-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21924-1.md) | Sep 21, 2026 |
| Linux | containerd amzn 2023 | 2.2.4-1.amzn2023.0.1 | [ALAS2023-2026-1784](https://patchblox.com/security/data/fix/linux/alas2023-2026-1784.md) | Jun 8, 2026 |
| Linux | containerd-debuginfo amzn 2023 | 2.2.4-1.amzn2023.0.1 | [ALAS2023-2026-1784](https://patchblox.com/security/data/fix/linux/alas2023-2026-1784.md) | Jun 8, 2026 |
| Linux | containerd-debugsource amzn 2023 | 2.2.4-1.amzn2023.0.1 | [ALAS2023-2026-1784](https://patchblox.com/security/data/fix/linux/alas2023-2026-1784.md) | Jun 8, 2026 |
| Linux | containerd-stress amzn 2023 | 2.2.4-1.amzn2023.0.1 | [ALAS2023-2026-1784](https://patchblox.com/security/data/fix/linux/alas2023-2026-1784.md) | Jun 8, 2026 |
| Linux | containerd-stress-debuginfo amzn 2023 | 2.2.4-1.amzn2023.0.1 | [ALAS2023-2026-1784](https://patchblox.com/security/data/fix/linux/alas2023-2026-1784.md) | Jun 8, 2026 |
| Linux | containerized-data-importer sles 15.7 | 1.64.0-150700.9.14.1 | [SUSE-SU-2026:4209-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4209-1.md) | Sep 16, 2026 |
| Linux | containerized-data-importer1.65 opensuse-leap 16.0 | 1.65.0-160000.3.1 | [OPENSUSE-SU-2026:21824-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21824-1.md) | Sep 9, 2026 |
| Linux | cosign opensuse-leap 16.0 | 3.1.1-160000.1.1 | [OPENSUSE-SU-2026:21281-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21281-1.md) | Jul 10, 2026 |
| Linux | cosign sles 15.6 | 3.1.1-150400.3.45.1 | [SUSE-SU-2026:2827-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2827-1.md) | Jul 9, 2026 |
| Linux | cosign sles 15.7 | 3.1.1-150400.3.45.1 | [SUSE-SU-2026:2827-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2827-1.md) | Jul 9, 2026 |
| Linux | cosign sles 16.0 | 3.1.1-160000.1.1 | [SUSE-SU-2026:22613-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22613-1.md) | Jul 10, 2026 |
| Linux | distribution opensuse-leap 16.0 | 3.1.1-160000.1.1 | [OPENSUSE-SU-2026:21084-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21084-1.md) | Jun 18, 2026 |
| Linux | distribution sles 15.6 | 3.1.1-150400.9.41.1 | [SUSE-SU-2026:4212-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4212-1.md) | Sep 16, 2026 |
| Linux | distribution sles 15.7 | 3.1.1-150400.9.41.1 | [SUSE-SU-2026:4212-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4212-1.md) | Sep 16, 2026 |
| Linux | distribution sles 16.0 | 3.1.1-160000.1.1 | [SUSE-SU-2026:22159-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22159-1.md) | Jun 18, 2026 |
| Linux | flightctl RHEL 10 | 1.1.3-1.el10em | [RHSA-2026:41019](https://patchblox.com/security/data/fix/linux/rhsa-2026-41019.md) | May 22, 2026 |
| Linux | glab opensuse-leap 16.0 | 1.114.0-bp160.1.1 | [OPENSUSE-SU-2026:21662-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21662-1.md) | Aug 26, 2026 |
| Linux | golang-go.crypto Debian 14 | 1:0.52.0-1 | [DEBIAN-CVE-2026-39828](https://patchblox.com/security/data/fix/linux/debian-cve-2026-39828.md) | May 22, 2026 |
| Linux | google-guest-agent opensuse-leap 16.0 | 20260529.00-160000.1.1 | [OPENSUSE-SU-2026:21069-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21069-1.md) | Jun 26, 2026 |
| Linux | google-guest-agent sles 15.6 | 20260529.00-150000.1.70.1 | [SUSE-SU-2026:2612-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2612-1.md) | Jun 24, 2026 |
| Linux | google-guest-agent sles 15.7 | 20260529.00-150000.1.70.1 | [SUSE-SU-2026:2612-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2612-1.md) | Jun 24, 2026 |
| Linux | google-guest-agent sles 16.0 | 20260529.00-160000.1.1 | [SUSE-SU-2026:22376-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22376-1.md) | Jun 26, 2026 |
| Linux | google-osconfig-agent opensuse-leap 16.0 | 20260615.01-160000.1.2 | [OPENSUSE-SU-2026:21210-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21210-1.md) | Jul 6, 2026 |
| Linux | google-osconfig-agent sles 15.6 | 20260615.01-150000.1.55.1 | [SUSE-SU-2026:2611-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2611-1.md) | Jun 24, 2026 |
| Linux | google-osconfig-agent sles 15.7 | 20260615.01-150000.1.55.1 | [SUSE-SU-2026:2611-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2611-1.md) | Jun 24, 2026 |
| Linux | google-osconfig-agent sles 16.0 | 20260615.01-160000.1.2 | [SUSE-SU-2026:22558-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22558-1.md) | Jul 6, 2026 |
| Linux | govulncheck-vulndb opensuse-leap 16.0 | 0.0.20260723T184607-160000.1.1 | [OPENSUSE-SU-2026:21483-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21483-1.md) | Jul 30, 2026 |
| Linux | kubevirt sles 15.7 | 1.7.4-150700.3.30.1 | [SUSE-SU-2026:3203-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3203-1.md) | Jul 23, 2026 |
| Linux | kubevirt1.8 opensuse-leap 16.0 | 1.8.4-160000.1.1 | [OPENSUSE-SU-2026:21590-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21590-1.md) | Aug 18, 2026 |
| Linux | mcphost opensuse-leap 16.0 | 0.34.0-160000.2.1 | [OPENSUSE-SU-2026:21120-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21120-1.md) | Jun 20, 2026 |
| Linux | mcphost sles 16.0 | 0.34.0-160000.2.1 | [SUSE-SU-2026:22193-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22193-1.md) | Jun 20, 2026 |
| Linux | nerdctl amzn 2023 | 2.2.2-1.amzn2023.0.3 | [ALAS2023-2026-1788](https://patchblox.com/security/data/fix/linux/alas2023-2026-1788.md) | Jun 8, 2026 |
| Linux | nuclei Fedora 43 | 3.11.0-1.fc43 | [FEDORA-2026-D36CA2DD19](https://patchblox.com/security/data/fix/linux/fedora-2026-d36ca2dd19.md) | Jul 13, 2026 |
| Linux | nuclei-debuginfo Fedora 43 | 3.11.0-1.fc43 | [FEDORA-2026-D36CA2DD19](https://patchblox.com/security/data/fix/linux/fedora-2026-d36ca2dd19.md) | Jul 13, 2026 |
| Linux | nuclei-debugsource Fedora 43 | 3.11.0-1.fc43 | [FEDORA-2026-D36CA2DD19](https://patchblox.com/security/data/fix/linux/fedora-2026-d36ca2dd19.md) | Jul 13, 2026 |
| Linux | podman opensuse-leap 16.0 | 5.4.2-160000.5.1 | [OPENSUSE-SU-2026:21244-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21244-1.md) | Jul 6, 2026 |
| Linux | podman-tui Fedora 43 | 1.11.3-1.fc43 | [FEDORA-2026-1842AAEA5D](https://patchblox.com/security/data/fix/linux/fedora-2026-1842aaea5d.md) | Jun 28, 2026 |
| Linux | podman-tui-debuginfo Fedora 43 | 1.11.3-1.fc43 | [FEDORA-2026-1842AAEA5D](https://patchblox.com/security/data/fix/linux/fedora-2026-1842aaea5d.md) | Jun 28, 2026 |
| Linux | podman-tui-debugsource Fedora 43 | 1.11.3-1.fc43 | [FEDORA-2026-1842AAEA5D](https://patchblox.com/security/data/fix/linux/fedora-2026-1842aaea5d.md) | Jun 28, 2026 |
| Linux | prometheus-podman-exporter Fedora 43 | 1.21.2-1.fc43 | [FEDORA-2026-A96D4EE174](https://patchblox.com/security/data/fix/linux/fedora-2026-a96d4ee174.md) | Jun 28, 2026 |
| Linux | prometheus-podman-exporter-debuginfo Fedora 43 | 1.21.2-1.fc43 | [FEDORA-2026-A96D4EE174](https://patchblox.com/security/data/fix/linux/fedora-2026-a96d4ee174.md) | Jun 28, 2026 |
| Linux | prometheus-podman-exporter-debugsource Fedora 43 | 1.21.2-1.fc43 | [FEDORA-2026-A96D4EE174](https://patchblox.com/security/data/fix/linux/fedora-2026-a96d4ee174.md) | Jun 28, 2026 |
| Linux | rclone Fedora 43 | 1.74.3-1.fc43 | [FEDORA-2026-E1D1B349CD](https://patchblox.com/security/data/fix/linux/fedora-2026-e1d1b349cd.md) | Jun 23, 2026 |
| Linux | rclone amzn 2023 | 1.74.2-80.amzn2023 | [ALAS2023-2026-1810](https://patchblox.com/security/data/fix/linux/alas2023-2026-1810.md) | Jun 8, 2026 |
| Linux | rclone opensuse-leap 16.0 | 1.74.4-bp160.1.1 | [OPENSUSE-SU-2026:21436-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21436-1.md) | Jul 22, 2026 |
| Linux | rclone-debuginfo Fedora 43 | 1.74.3-1.fc43 | [FEDORA-2026-E1D1B349CD](https://patchblox.com/security/data/fix/linux/fedora-2026-e1d1b349cd.md) | Jun 23, 2026 |
| Linux | rclone-debuginfo amzn 2023 | 1.74.2-80.amzn2023 | [ALAS2023-2026-1810](https://patchblox.com/security/data/fix/linux/alas2023-2026-1810.md) | Jun 8, 2026 |
| Linux | rclone-debugsource Fedora 43 | 1.74.3-1.fc43 | [FEDORA-2026-E1D1B349CD](https://patchblox.com/security/data/fix/linux/fedora-2026-e1d1b349cd.md) | Jun 23, 2026 |
| Linux | rclone-debugsource amzn 2023 | 1.74.2-80.amzn2023 | [ALAS2023-2026-1810](https://patchblox.com/security/data/fix/linux/alas2023-2026-1810.md) | Jun 8, 2026 |
| Linux | restic Fedora 43 | 0.19.1-1.fc43 | [FEDORA-2026-A006788209](https://patchblox.com/security/data/fix/linux/fedora-2026-a006788209.md) | Jul 20, 2026 |
| Linux | restic-debuginfo Fedora 43 | 0.19.1-1.fc43 | [FEDORA-2026-A006788209](https://patchblox.com/security/data/fix/linux/fedora-2026-a006788209.md) | Jul 20, 2026 |
| Linux | restic-debugsource Fedora 43 | 0.19.1-1.fc43 | [FEDORA-2026-A006788209](https://patchblox.com/security/data/fix/linux/fedora-2026-a006788209.md) | Jul 20, 2026 |
| Linux | runfinch-finch amzn 2023 | 1.17.1-1.amzn2023.0.2 | [ALAS2023-2026-1809](https://patchblox.com/security/data/fix/linux/alas2023-2026-1809.md) | Jun 8, 2026 |
| Linux | tailscale Fedora 43 | 1.102.5-1.fc43 | [FEDORA-2026-0451D4F86A](https://patchblox.com/security/data/fix/linux/fedora-2026-0451d4f86a.md) | Nov 7, 2026 |
| Linux | tailscale-debuginfo Fedora 43 | 1.102.5-1.fc43 | [FEDORA-2026-0451D4F86A](https://patchblox.com/security/data/fix/linux/fedora-2026-0451d4f86a.md) | Nov 7, 2026 |
| Linux | tailscale-debugsource Fedora 43 | 1.102.5-1.fc43 | [FEDORA-2026-0451D4F86A](https://patchblox.com/security/data/fix/linux/fedora-2026-0451d4f86a.md) | Nov 7, 2026 |
| Linux | trivy opensuse-leap 16.0 | 0.71.0-160000.1.1 | [OPENSUSE-SU-2026:20956-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20956-1.md) | Jun 11, 2026 |

---

Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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