Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2026-01-30 08:40

Modified

2026-01-30 09:12

Summary

Gitea: Broken access control in OpenID visibility toggle enables cross-user visibility changes

Details

Gitea does not properly validate ownership when toggling OpenID URI visibility. An authenticated user may be able to change the visibility settings of other users' OpenID identities.

JSON

To clipboard Create KEV Entry

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "gitea",
        "purl": "pkg:bitnami/gitea"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.25.4"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-20904"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:gitea:gitea:*:*:*:*:*:-:*:*"
    ],
    "severity": "Medium"
  },
  "details": "Gitea does not properly validate ownership when toggling OpenID URI visibility. An authenticated user may be able to change the visibility settings of other users\u0027 OpenID identities.",
  "id": "BIT-gitea-2026-20904",
  "modified": "2026-01-30T09:12:31.676Z",
  "published": "2026-01-30T08:40:47.849Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://blog.gitea.com/release-of-1.25.4/"
    },
    {
      "type": "WEB",
      "url": "https://github.com/go-gitea/gitea/pull/36346"
    },
    {
      "type": "WEB",
      "url": "https://github.com/go-gitea/gitea/pull/36361"
    },
    {
      "type": "WEB",
      "url": "https://github.com/go-gitea/gitea/releases/tag/v1.25.4"
    },
    {
      "type": "WEB",
      "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-jrpc-w85r-hgqx"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-20904"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Gitea: Broken access control in OpenID visibility toggle enables cross-user visibility changes"
}

CVE-2026-20904 (GCVE-0-2026-20904)

Vulnerability from cvelistv5 – Published: 2026-01-22 22:01 – Updated: 2026-01-23 21:53

Title

Gitea: Broken access control in OpenID visibility toggle enables cross-user visibility changes

Summary

Gitea does not properly validate ownership when toggling OpenID URI visibility. An authenticated user may be able to change the visibility settings of other users' OpenID identities.

Severity ?

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

CWE

CWE-284 - Improper Access Control
CWE-639 - Authorization Bypass Through User-Controlled Key

Assigner

Gitea

References

URL

Tags

	https://github.com/go-gitea/gitea/security/adviso…	vendor-advisory
	https://github.com/go-gitea/gitea/pull/36346	patch
	https://github.com/go-gitea/gitea/pull/36361	patch
	https://github.com/go-gitea/gitea/releases/tag/v1.25.4	release-notes
	https://blog.gitea.com/release-of-1.25.4/	release-notes

Impacted products

	Vendor	Product	Version
	Gitea	Gitea Open Source Git Server	Affected: 0 , ≤ 1.25.3 (semver)

Credits

spingARbor

Show details on NVD website

JSON

To clipboard Create KEV Entry

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-20904",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-23T17:52:05.088654Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-23T21:53:53.397Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Gitea Open Source Git Server",
          "vendor": "Gitea",
          "versions": [
            {
              "lessThanOrEqual": "1.25.3",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "spingARbor"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Gitea does not properly validate ownership when toggling OpenID URI visibility. An authenticated user may be able to change the visibility settings of other users\u0027 OpenID identities."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-284",
              "description": "CWE-284: Improper Access Control",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-639",
              "description": "CWE-639: Authorization Bypass Through User-Controlled Key",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-22T22:01:51.762Z",
        "orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2",
        "shortName": "Gitea"
      },
      "references": [
        {
          "name": "GitHub Security Advisory",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-jrpc-w85r-hgqx"
        },
        {
          "name": "GitHub Pull Request #36346",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/go-gitea/gitea/pull/36346"
        },
        {
          "name": "GitHub Pull Request #36361",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/go-gitea/gitea/pull/36361"
        },
        {
          "name": "Gitea v1.25.4 Release",
          "tags": [
            "release-notes"
          ],
          "url": "https://github.com/go-gitea/gitea/releases/tag/v1.25.4"
        },
        {
          "name": "Gitea v1.25.4 Release Blog Post",
          "tags": [
            "release-notes"
          ],
          "url": "https://blog.gitea.com/release-of-1.25.4/"
        }
      ],
      "title": "Gitea: Broken access control in OpenID visibility toggle enables cross-user visibility changes"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2",
    "assignerShortName": "Gitea",
    "cveId": "CVE-2026-20904",
    "datePublished": "2026-01-22T22:01:51.762Z",
    "dateReserved": "2026-01-08T23:02:37.537Z",
    "dateUpdated": "2026-01-23T21:53:53.397Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

Vulnerability from bitnami_vulndb

CVE-2026-20904 (GCVE-0-2026-20904)

Tags

Sightings

Nomenclature