alsa-2026:13380
Vulnerability from osv_almalinux
Published
2026-05-04 00:00
Modified
2026-05-04 20:47
Summary
Important: openssh security update
Details

OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server.

Security Fix(es):

  • OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode (CVE-2026-35385)
  • OpenSSH: OpenSSH: Security bypass via mishandling of authorized_keys principals option (CVE-2026-35414)
  • OpenSSH: OpenSSH: Information disclosure due to unintended cryptographic algorithm usage (CVE-2026-35387)
  • OpenSSH: OpenSSH: Low integrity impact from unconfirmed proxy-mode multiplexing sessions (CVE-2026-35388)
  • OpenSSH: OpenSSH: Arbitrary command execution via shell metacharacters in username (CVE-2026-35386)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "openssh"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.9p1-14.el10_1.alma.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "openssh-askpass"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.9p1-14.el10_1.alma.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "openssh-clients"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.9p1-14.el10_1.alma.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "openssh-keycat"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.9p1-14.el10_1.alma.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "openssh-keysign"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.9p1-14.el10_1.alma.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "openssh-server"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.9p1-14.el10_1.alma.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server.  \n\nSecurity Fix(es):  \n\n  * OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode (CVE-2026-35385)\n  * OpenSSH: OpenSSH: Security bypass via mishandling of authorized_keys principals option (CVE-2026-35414)\n  * OpenSSH: OpenSSH: Information disclosure due to unintended cryptographic algorithm usage (CVE-2026-35387)\n  * OpenSSH: OpenSSH: Low integrity impact from unconfirmed proxy-mode multiplexing sessions (CVE-2026-35388)\n  * OpenSSH: OpenSSH: Arbitrary command execution via shell metacharacters in username (CVE-2026-35386)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
  "id": "ALSA-2026:13380",
  "modified": "2026-05-04T20:47:27Z",
  "published": "2026-05-04T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:13380"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-35385"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-35386"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-35387"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-35388"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-35414"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2454469"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2454490"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2454494"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2454500"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2454506"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/10/ALSA-2026-13380.html"
    }
  ],
  "related": [
    "CVE-2026-35385",
    "CVE-2026-35414",
    "CVE-2026-35387",
    "CVE-2026-35388",
    "CVE-2026-35386"
  ],
  "summary": "Important: openssh security update"
}


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