WID-SEC-W-2026-0357

Vulnerability from csaf_certbund - Published: 2026-02-09 23:00 - Updated: 2026-03-08 23:00
Summary
Roundcube: Mehrere Schwachstellen

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
Roundcube ist ein Open-Source Webmailsystem, basierend auf PHP.
Angriff
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Roundcube ausnutzen, um Sicherheitsvorkehrungen zu umgehen und um die Darstellung von E-Mails zu verfälschen.
Betroffene Betriebssysteme
- Linux - Sonstiges - UNIX - Windows
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "niedrig"
    },
    "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": "Roundcube ist ein Open-Source Webmailsystem, basierend auf PHP.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Roundcube ausnutzen, um Sicherheitsvorkehrungen zu umgehen und um die Darstellung von E-Mails zu verf\u00e4lschen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- 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-2026-0357 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0357.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-0357 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0357"
      },
      {
        "category": "external",
        "summary": "NULL CATHEDRAL Report + PoC vom 2026-02-09",
        "url": "https://nullcathedral.com/posts/2026-02-08-roundcube-svg-feimage-remote-image-bypass/"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugtracker #2437845 vom 2026-02-09",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2437845"
      },
      {
        "category": "external",
        "summary": "Roundcube Security updates 1.6.13 and 1.5.13 vom 2026-02-09",
        "url": "https://roundcube.net/news/2026/02/08/security-updates-1.6.13-and-1.5.13"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-6137 vom 2026-02-17",
        "url": "https://lists.debian.org/debian-security-announce/2026/msg00046.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-4480 vom 2026-02-17",
        "url": "https://lists.debian.org/debian-lts-announce/2026/02/msg00019.html"
      },
      {
        "category": "external",
        "summary": "openSUSE Security Update OPENSUSE-SU-2026:20323-1 vom 2026-03-06",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/YOERSL4O45LXQ6A5T2OVJOYHIVEHXZ5U/"
      }
    ],
    "source_lang": "en-US",
    "title": "Roundcube: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-03-08T23:00:00.000+00:00",
      "generator": {
        "date": "2026-03-09T08:16:28.701+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2026-0357",
      "initial_release_date": "2026-02-09T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-02-09T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-02-10T23:00:00.000+00:00",
          "number": "2",
          "summary": "CVE erg\u00e4nzt"
        },
        {
          "date": "2026-02-16T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2026-03-08T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von openSUSE aufgenommen"
        }
      ],
      "status": "final",
      "version": "4"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Debian Linux",
            "product": {
              "name": "Debian Linux",
              "product_id": "2951",
              "product_identification_helper": {
                "cpe": "cpe:/o:debian:debian_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Debian"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c1.5.13",
                "product": {
                  "name": "Open Source Roundcube \u003c1.5.13",
                  "product_id": "T050627"
                }
              },
              {
                "category": "product_version",
                "name": "1.5.13",
                "product": {
                  "name": "Open Source Roundcube 1.5.13",
                  "product_id": "T050627-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:roundcube:webmail:1.5.13"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c1.6.13",
                "product": {
                  "name": "Open Source Roundcube \u003c1.6.13",
                  "product_id": "T050628"
                }
              },
              {
                "category": "product_version",
                "name": "1.6.13",
                "product": {
                  "name": "Open Source Roundcube 1.6.13",
                  "product_id": "T050628-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:roundcube:webmail:1.6.13"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Roundcube"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "SUSE openSUSE",
            "product": {
              "name": "SUSE openSUSE",
              "product_id": "T027843",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:opensuse:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-25916",
      "product_status": {
        "known_affected": [
          "T050628",
          "T050627",
          "2951",
          "T027843"
        ]
      },
      "release_date": "2026-02-09T23:00:00.000+00:00",
      "title": "CVE-2026-25916"
    },
    {
      "cve": "CVE-2026-26079",
      "product_status": {
        "known_affected": [
          "T050628",
          "T050627",
          "2951",
          "T027843"
        ]
      },
      "release_date": "2026-02-09T23:00:00.000+00:00",
      "title": "CVE-2026-26079"
    }
  ]
}


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Sightings

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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.