WID-SEC-W-2026-2428

Vulnerability from csaf_certbund - Published: 2026-07-20 22:00 - Updated: 2026-07-21 22:00
Summary
libssh: Mehrere Schwachstellen
Severity
Hoch
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: libssh ist eine C Bibliothek für das Anbieten von SSH Diensten auf Client- und Serverseite. Sie kann genutzt werden, um aus der Ferne Programme auszuführen, Dateien zu übertragen oder als sicherer und transparenter Tunnel für entfernte Programme genutzt werden.
Angriff: Ein Angreifer kann mehrere Schwachstellen in libssh ausnutzen, um erweiterte Berechtigungen zu erlangen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Angriff auszulösen und Daten zu manipulieren.
Betroffene Betriebssysteme: - Sonstiges - UNIX - Windows
CVE-2026-15370
Affected products
Product Identifier Version Remediation
Open Source libssh <0.12.1
Open Source / libssh
 <0.12.1
CVE-2026-59842
Affected products
Product Identifier Version Remediation
Open Source libssh <0.12.1
Open Source / libssh
 <0.12.1
CVE-2026-59843
Affected products
Product Identifier Version Remediation
Open Source libssh <0.12.1
Open Source / libssh
 <0.12.1
CVE-2026-59844
Affected products
Product Identifier Version Remediation
Open Source libssh <0.12.1
Open Source / libssh
 <0.12.1
CVE-2026-59845
Affected products
Product Identifier Version Remediation
Open Source libssh <0.12.1
Open Source / libssh
 <0.12.1
CVE-2026-59846
Affected products
Product Identifier Version Remediation
Open Source libssh <0.12.1
Open Source / libssh
 <0.12.1
CVE-2026-59847
Affected products
Product Identifier Version Remediation
Open Source libssh <0.12.1
Open Source / libssh
 <0.12.1
CVE-2026-59848
Affected products
Product Identifier Version Remediation
Open Source libssh <0.12.1
Open Source / libssh
 <0.12.1
CVE-2026-59849
Affected products
Product Identifier Version Remediation
Open Source libssh <0.12.1
Open Source / libssh
 <0.12.1
CVE-2026-59850
Affected products
Product Identifier Version Remediation
Open Source libssh <0.12.1
Open Source / libssh
 <0.12.1
CVE-2026-59851
Affected products
Product Identifier Version Remediation
Open Source libssh <0.12.1
Open Source / libssh
 <0.12.1
References
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "libssh ist eine C Bibliothek f\u00fcr das Anbieten von SSH Diensten auf Client- und Serverseite. Sie kann genutzt werden, um aus der Ferne Programme auszuf\u00fchren, Dateien zu \u00fcbertragen oder als sicherer und transparenter Tunnel f\u00fcr entfernte Programme genutzt werden.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in libssh ausnutzen, um erweiterte Berechtigungen zu erlangen, Sicherheitsma\u00dfnahmen zu umgehen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Angriff auszul\u00f6sen und Daten zu manipulieren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Sonstiges\n- UNIX\n- Windows",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2026-2428 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2428.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-2428 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2428"
      },
      {
        "category": "external",
        "summary": "libssh 0.12.1 and 0.11.5 security releases vom 2026-07-20",
        "url": "https://www.libssh.org/2026/07/21/libssh-0-12-1-and-0-11-5-security-releases/"
      },
      {
        "category": "external",
        "summary": "libssh Security Advisory vom 2026-07-20",
        "url": "https://www.libssh.org/security/advisories/CVE-2026-15370.txt"
      },
      {
        "category": "external",
        "summary": "libssh Security Advisory vom 2026-07-20",
        "url": "https://www.libssh.org/security/advisories/CVE-2026-59842.txt"
      },
      {
        "category": "external",
        "summary": "libssh Security Advisory vom 2026-07-20",
        "url": "https://www.libssh.org/security/advisories/CVE-2026-59843.txt"
      },
      {
        "category": "external",
        "summary": "libssh Security Advisory vom 2026-07-20",
        "url": "https://www.libssh.org/security/advisories/CVE-2026-59844.txt"
      },
      {
        "category": "external",
        "summary": "libssh Security Advisory vom 2026-07-20",
        "url": "https://www.libssh.org/security/advisories/CVE-2026-59845.txt"
      },
      {
        "category": "external",
        "summary": "libssh Security Advisory vom 2026-07-20",
        "url": "https://www.libssh.org/security/advisories/CVE-2026-59846.txt"
      },
      {
        "category": "external",
        "summary": "libssh Security Advisory vom 2026-07-20",
        "url": "https://www.libssh.org/security/advisories/CVE-2026-59847.txt"
      },
      {
        "category": "external",
        "summary": "libssh Security Advisory vom 2026-07-20",
        "url": "https://www.libssh.org/security/advisories/CVE-2026-59848.txt"
      },
      {
        "category": "external",
        "summary": "libssh Security Advisory vom 2026-07-20",
        "url": "https://www.libssh.org/security/advisories/CVE-2026-59849.txt"
      },
      {
        "category": "external",
        "summary": "libssh Security Advisory vom 2026-07-20",
        "url": "https://www.libssh.org/security/advisories/CVE-2026-59850.txt"
      },
      {
        "category": "external",
        "summary": "libssh Security Advisory vom 2026-07-20",
        "url": "https://www.libssh.org/security/advisories/CVE-2026-59851.txt"
      }
    ],
    "source_lang": "en-US",
    "title": "libssh: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-07-21T22:00:00.000+00:00",
      "generator": {
        "date": "2026-07-22T08:53:00.037+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-2428",
      "initial_release_date": "2026-07-20T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-07-20T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-07-21T22:00:00.000+00:00",
          "number": "2",
          "summary": "Referenz(en) aufgenommen: EUVD-2026-46169, EUVD-2026-46177, EUVD-2026-46179, EUVD-2026-46178, EUVD-2026-46176, EUVD-2026-46254, EUVD-2026-46256, EUVD-2026-46255, EUVD-2026-46263, EUVD-2026-46268, EUVD-2026-46266"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c0.12.1",
                "product": {
                  "name": "Open Source libssh \u003c0.12.1",
                  "product_id": "T056845"
                }
              },
              {
                "category": "product_version",
                "name": "0.12.1",
                "product": {
                  "name": "Open Source libssh 0.12.1",
                  "product_id": "T056845-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:libssh:libssh:0.12.1"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "libssh"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-15370",
      "product_status": {
        "known_affected": [
          "T056845"
        ]
      },
      "release_date": "2026-07-20T22:00:00.000+00:00",
      "title": "CVE-2026-15370"
    },
    {
      "cve": "CVE-2026-59842",
      "product_status": {
        "known_affected": [
          "T056845"
        ]
      },
      "release_date": "2026-07-20T22:00:00.000+00:00",
      "title": "CVE-2026-59842"
    },
    {
      "cve": "CVE-2026-59843",
      "product_status": {
        "known_affected": [
          "T056845"
        ]
      },
      "release_date": "2026-07-20T22:00:00.000+00:00",
      "title": "CVE-2026-59843"
    },
    {
      "cve": "CVE-2026-59844",
      "product_status": {
        "known_affected": [
          "T056845"
        ]
      },
      "release_date": "2026-07-20T22:00:00.000+00:00",
      "title": "CVE-2026-59844"
    },
    {
      "cve": "CVE-2026-59845",
      "product_status": {
        "known_affected": [
          "T056845"
        ]
      },
      "release_date": "2026-07-20T22:00:00.000+00:00",
      "title": "CVE-2026-59845"
    },
    {
      "cve": "CVE-2026-59846",
      "product_status": {
        "known_affected": [
          "T056845"
        ]
      },
      "release_date": "2026-07-20T22:00:00.000+00:00",
      "title": "CVE-2026-59846"
    },
    {
      "cve": "CVE-2026-59847",
      "product_status": {
        "known_affected": [
          "T056845"
        ]
      },
      "release_date": "2026-07-20T22:00:00.000+00:00",
      "title": "CVE-2026-59847"
    },
    {
      "cve": "CVE-2026-59848",
      "product_status": {
        "known_affected": [
          "T056845"
        ]
      },
      "release_date": "2026-07-20T22:00:00.000+00:00",
      "title": "CVE-2026-59848"
    },
    {
      "cve": "CVE-2026-59849",
      "product_status": {
        "known_affected": [
          "T056845"
        ]
      },
      "release_date": "2026-07-20T22:00:00.000+00:00",
      "title": "CVE-2026-59849"
    },
    {
      "cve": "CVE-2026-59850",
      "product_status": {
        "known_affected": [
          "T056845"
        ]
      },
      "release_date": "2026-07-20T22:00:00.000+00:00",
      "title": "CVE-2026-59850"
    },
    {
      "cve": "CVE-2026-59851",
      "product_status": {
        "known_affected": [
          "T056845"
        ]
      },
      "release_date": "2026-07-20T22:00:00.000+00:00",
      "title": "CVE-2026-59851"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.