WID-SEC-W-2026-2027

Vulnerability from csaf_certbund - Published: 2026-06-21 22:00 - Updated: 2026-08-12 22:00
Summary
Gitea: 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: Gitea ist ein quelloffener Github-Klon.
Angriff: Ein Angreifer kann mehrere Schwachstellen in Gitea ausnutzen, um erweiterte Berechtigungen zu erlangen, sich als Benutzer auszugeben, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren und vertrauliche Informationen offenzulegen.
Betroffene Betriebssysteme: - Sonstiges - UNIX - Windows
CVE-2026-20779
Affected products
Product Identifier Version Remediation
Open Source Gitea <1.26.4
Open Source / Gitea
 <1.26.4
SUSE openSUSE
SUSE
 cpe:/o:suse:opensuse:- —
Open Source Gitea <1.26.3
Open Source / Gitea
 <1.26.3
CVE-2026-20896
Affected products
Known affected 3 products, the same list as for CVE-2026-20779
CVE-2026-22874
Affected products
Known affected 3 products, the same list as for CVE-2026-20779
CVE-2026-24451
Affected products
Known affected 3 products, the same list as for CVE-2026-20779
CVE-2026-25038
Affected products
Known affected 3 products, the same list as for CVE-2026-20779
CVE-2026-27761
Affected products
Known affected 3 products, the same list as for CVE-2026-20779
CVE-2026-27775
Affected products
Known affected 3 products, the same list as for CVE-2026-20779
CVE-2026-28740
Affected products
Known affected 3 products, the same list as for CVE-2026-20779
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": "Gitea ist ein quelloffener Github-Klon.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in Gitea ausnutzen, um erweiterte Berechtigungen zu erlangen, sich als Benutzer auszugeben, Sicherheitsma\u00dfnahmen zu umgehen, Daten zu manipulieren und vertrauliche Informationen offenzulegen.",
        "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-2026-2027 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2027.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-2027 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2027"
      },
      {
        "category": "external",
        "summary": "Gitea Release Notes vom 2026-06-21",
        "url": "https://blog.gitea.com/release-of-1.26.3-and-1.26.4"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-2m9v-5q2g-58vq vom 2026-06-21",
        "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-2m9v-5q2g-58vq"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-2r5c-gw76-rh3w vom 2026-06-21",
        "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-2r5c-gw76-rh3w"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-3pww-vcvm-3gmj vom 2026-06-21",
        "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-3pww-vcvm-3gmj"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-649p-mmhf-85c7 vom 2026-06-21",
        "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-649p-mmhf-85c7"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-f75j-4cw6-rmx4 vom 2026-06-21",
        "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-f75j-4cw6-rmx4"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-gx3v-q759-g323 vom 2026-06-21",
        "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-gx3v-q759-g323"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-rjvx-x5h2-6px5 vom 2026-06-21",
        "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-rjvx-x5h2-6px5"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-v73x-hx65-6pf4 vom 2026-06-21",
        "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-v73x-hx65-6pf4"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-wrf9-r3h7-7x5v vom 2026-06-21",
        "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-wrf9-r3h7-7x5v"
      },
      {
        "category": "external",
        "summary": "openSUSE Security Update OPENSUSE-SU-2026:21551-1 vom 2026-08-12",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/U3Y5I25TBZPPWBQLNS6WIFTXT7XXYJ7A/"
      }
    ],
    "source_lang": "en-US",
    "title": "Gitea: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-08-12T22:00:00.000+00:00",
      "generator": {
        "date": "2026-08-13T10:37:33.663+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-2027",
      "initial_release_date": "2026-06-21T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-06-21T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-07-05T22:00:00.000+00:00",
          "number": "2",
          "summary": "Referenz(en) aufgenommen: EUVD-2026-41636, EUVD-2026-41634, EUVD-2026-41621, EUVD-2026-41618, EUVD-2026-41619, EUVD-2026-41614, EUVD-2026-41643, EUVD-2026-41613"
        },
        {
          "date": "2026-08-12T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von openSUSE aufgenommen"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c1.26.3",
                "product": {
                  "name": "Open Source Gitea \u003c1.26.3",
                  "product_id": "T055648"
                }
              },
              {
                "category": "product_version",
                "name": "1.26.3",
                "product": {
                  "name": "Open Source Gitea 1.26.3",
                  "product_id": "T055648-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:gitea:gitea:1.26.3"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c1.26.4",
                "product": {
                  "name": "Open Source Gitea \u003c1.26.4",
                  "product_id": "T055650"
                }
              },
              {
                "category": "product_version",
                "name": "1.26.4",
                "product": {
                  "name": "Open Source Gitea 1.26.4",
                  "product_id": "T055650-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:gitea:gitea:1.26.4"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Gitea"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "SUSE openSUSE",
            "product": {
              "name": "SUSE openSUSE",
              "product_id": "T055946",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:opensuse:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-20779",
      "product_status": {
        "known_affected": [
          "T055650",
          "T055946",
          "T055648"
        ]
      },
      "release_date": "2026-06-21T22:00:00.000+00:00",
      "title": "CVE-2026-20779"
    },
    {
      "cve": "CVE-2026-20896",
      "product_status": {
        "known_affected": [
          "T055650",
          "T055946",
          "T055648"
        ]
      },
      "release_date": "2026-06-21T22:00:00.000+00:00",
      "title": "CVE-2026-20896"
    },
    {
      "cve": "CVE-2026-22874",
      "product_status": {
        "known_affected": [
          "T055650",
          "T055946",
          "T055648"
        ]
      },
      "release_date": "2026-06-21T22:00:00.000+00:00",
      "title": "CVE-2026-22874"
    },
    {
      "cve": "CVE-2026-24451",
      "product_status": {
        "known_affected": [
          "T055650",
          "T055946",
          "T055648"
        ]
      },
      "release_date": "2026-06-21T22:00:00.000+00:00",
      "title": "CVE-2026-24451"
    },
    {
      "cve": "CVE-2026-25038",
      "product_status": {
        "known_affected": [
          "T055650",
          "T055946",
          "T055648"
        ]
      },
      "release_date": "2026-06-21T22:00:00.000+00:00",
      "title": "CVE-2026-25038"
    },
    {
      "cve": "CVE-2026-27761",
      "product_status": {
        "known_affected": [
          "T055650",
          "T055946",
          "T055648"
        ]
      },
      "release_date": "2026-06-21T22:00:00.000+00:00",
      "title": "CVE-2026-27761"
    },
    {
      "cve": "CVE-2026-27775",
      "product_status": {
        "known_affected": [
          "T055650",
          "T055946",
          "T055648"
        ]
      },
      "release_date": "2026-06-21T22:00:00.000+00:00",
      "title": "CVE-2026-27775"
    },
    {
      "cve": "CVE-2026-28740",
      "product_status": {
        "known_affected": [
          "T055650",
          "T055946",
          "T055648"
        ]
      },
      "release_date": "2026-06-21T22:00:00.000+00:00",
      "title": "CVE-2026-28740"
    }
  ]
}



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Sightings

Author Source Type Date Other

Nomenclature

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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.