Vulnerability-Lookup

CVE-2026-20883 (GCVE-0-2026-20883)

Vulnerability from cvelistv5 – Published: 2026-01-22 22:01 – Updated: 2026-01-23 21:54

Title

Gitea Stopwatch API Missing Authorization Check Leads to Post-Revocation Information Disclosure

Summary

Gitea's stopwatch API does not re-validate repository access permissions. After a user's access to a private repository is revoked, they may still view issue titles and repository names through previously started stopwatches.

Severity

6.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-23 21:11 UTC

CWE

CWE-284 - Improper Access Control

Assigner

Gitea mitre root

References

5 references

URL	Tags
https://github.com/go-gitea/gitea/security/adviso…	vendor-advisory
https://github.com/go-gitea/gitea/pull/36340	patch
https://github.com/go-gitea/gitea/pull/36368	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

1 product

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

Credits

spingARbor

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-20883",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-23T21:11:00.973092Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-23T21:54:21.705Z",
          "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\u0027s stopwatch API does not re-validate repository access permissions. After a user\u0027s access to a private repository is revoked, they may still view issue titles and repository names through previously started stopwatches."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-284",
              "description": "CWE-284: Improper Access Control",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-22T22:01:50.840Z",
        "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-644v-xv3j-xgqg"
        },
        {
          "name": "GitHub Pull Request #36340",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/go-gitea/gitea/pull/36340"
        },
        {
          "name": "GitHub Pull Request #36368",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/go-gitea/gitea/pull/36368"
        },
        {
          "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 Stopwatch API Missing Authorization Check Leads to Post-Revocation Information Disclosure"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2",
    "assignerShortName": "Gitea",
    "cveId": "CVE-2026-20883",
    "datePublished": "2026-01-22T22:01:50.840Z",
    "dateReserved": "2026-01-08T23:02:37.553Z",
    "dateUpdated": "2026-01-23T21:54:21.705Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-20883",
      "date": "2026-09-16",
      "epss": "0.00347",
      "percentile": "0.28092"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-20883\",\"sourceIdentifier\":\"88ee5874-cf24-4952-aea0-31affedb7ff2\",\"published\":\"2026-01-22T22:16:17.713\",\"lastModified\":\"2026-06-17T10:17:59.390\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Gitea\u0027s stopwatch API does not re-validate repository access permissions. After a user\u0027s access to a private repository is revoked, they may still view issue titles and repository names through previously started stopwatches.\"},{\"lang\":\"es\",\"value\":\"La API del cron\u00f3metro de Gitea no revalida los permisos de acceso al repositorio. Despu\u00e9s de que se revoca el acceso de un usuario a un repositorio privado, a\u00fan pueden ver los t\u00edtulos de las incidencias y los nombres de los repositorios a trav\u00e9s de cron\u00f3metros iniciados previamente.\"}],\"affected\":[{\"source\":\"88ee5874-cf24-4952-aea0-31affedb7ff2\",\"affectedData\":[{\"vendor\":\"Gitea\",\"product\":\"Gitea Open Source Git Server\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThanOrEqual\":\"1.25.3\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-01-23T21:11:00.973092Z\",\"id\":\"CVE-2026-20883\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"88ee5874-cf24-4952-aea0-31affedb7ff2\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-284\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitea:gitea:*:*:*:*:*:-:*:*\",\"versionEndExcluding\":\"1.25.4\",\"matchCriteriaId\":\"DFCB7D74-331D-4582-AB41-113A25BE8FAA\"}]}]}],\"references\":[{\"url\":\"https://blog.gitea.com/release-of-1.25.4/\",\"source\":\"88ee5874-cf24-4952-aea0-31affedb7ff2\",\"tags\":[\"Release Notes\"]},{\"url\":\"https://github.com/go-gitea/gitea/pull/36340\",\"source\":\"88ee5874-cf24-4952-aea0-31affedb7ff2\",\"tags\":[\"Issue Tracking\",\"Patch\"]},{\"url\":\"https://github.com/go-gitea/gitea/pull/36368\",\"source\":\"88ee5874-cf24-4952-aea0-31affedb7ff2\",\"tags\":[\"Issue Tracking\",\"Patch\"]},{\"url\":\"https://github.com/go-gitea/gitea/releases/tag/v1.25.4\",\"source\":\"88ee5874-cf24-4952-aea0-31affedb7ff2\",\"tags\":[\"Release Notes\"]},{\"url\":\"https://github.com/go-gitea/gitea/security/advisories/GHSA-644v-xv3j-xgqg\",\"source\":\"88ee5874-cf24-4952-aea0-31affedb7ff2\",\"tags\":[\"Broken Link\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-27T15:11:08+00:00",
      "cve": "CVE-2026-20883",
      "id": "CVE-2026-20883",
      "initial_release_date": "2026-01-22T22:01:50.840000+00:00",
      "product_status:known_not_affected": "9",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "gitea: Gitea Stopwatch API Missing Authorization Check Leads to Post-Revocation Information Disclosure",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-20883.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-02-10T00:25:32Z",
      "cve": "CVE-2026-20883",
      "id": "CVE-2026-20883",
      "initial_release_date": "2026-02-07T00:26:14Z",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-20883",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-20883.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 6.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-20883\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-01-23T21:11:00.973092Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-01-23T21:10:57.579Z\"}}], \"cna\": {\"title\": \"Gitea Stopwatch API Missing Authorization Check Leads to Post-Revocation Information Disclosure\", \"credits\": [{\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"spingARbor\"}], \"affected\": [{\"vendor\": \"Gitea\", \"product\": \"Gitea Open Source Git Server\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"1.25.3\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://github.com/go-gitea/gitea/security/advisories/GHSA-644v-xv3j-xgqg\", \"name\": \"GitHub Security Advisory\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://github.com/go-gitea/gitea/pull/36340\", \"name\": \"GitHub Pull Request #36340\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/go-gitea/gitea/pull/36368\", \"name\": \"GitHub Pull Request #36368\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/go-gitea/gitea/releases/tag/v1.25.4\", \"name\": \"Gitea v1.25.4 Release\", \"tags\": [\"release-notes\"]}, {\"url\": \"https://blog.gitea.com/release-of-1.25.4/\", \"name\": \"Gitea v1.25.4 Release Blog Post\", \"tags\": [\"release-notes\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Gitea\u0027s stopwatch API does not re-validate repository access permissions. After a user\u0027s access to a private repository is revoked, they may still view issue titles and repository names through previously started stopwatches.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-284\", \"description\": \"CWE-284: Improper Access Control\"}]}], \"providerMetadata\": {\"orgId\": \"88ee5874-cf24-4952-aea0-31affedb7ff2\", \"shortName\": \"Gitea\", \"dateUpdated\": \"2026-01-22T22:01:50.840Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-20883\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-01-23T21:54:21.705Z\", \"dateReserved\": \"2026-01-08T23:02:37.553Z\", \"assignerOrgId\": \"88ee5874-cf24-4952-aea0-31affedb7ff2\", \"datePublished\": \"2026-01-22T22:01:50.840Z\", \"assignerShortName\": \"Gitea\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

bit-gitea-2026-20883

Vulnerability from bitnami_vulndb

Published

2026-01-30 08:40

Modified

2026-09-08 08:34

Summary

Gitea Stopwatch API Missing Authorization Check Leads to Post-Revocation Information Disclosure

Details

JSON

To clipboard

{
  "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:H/I:N/A:N",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-20883"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:gitea:gitea:*:*:*:*:*:-:*:*"
    ],
    "severity": "Medium"
  },
  "details": "Gitea\u0027s stopwatch API does not re-validate repository access permissions. After a user\u0027s access to a private repository is revoked, they may still view issue titles and repository names through previously started stopwatches.",
  "id": "BIT-gitea-2026-20883",
  "modified": "2026-09-08T08:34:36.952Z",
  "published": "2026-01-30T08:40:41.879Z",
  "references": [
    {
      "type": "ARTICLE",
      "url": "https://blog.gitea.com/release-of-1.25.4/"
    },
    {
      "type": "FIX",
      "url": "https://github.com/go-gitea/gitea/pull/36340"
    },
    {
      "type": "FIX",
      "url": "https://github.com/go-gitea/gitea/pull/36368"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/go-gitea/gitea/releases/tag/v1.25.4"
    },
    {
      "type": "WEB",
      "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-644v-xv3j-xgqg"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-20883"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Gitea Stopwatch API Missing Authorization Check Leads to Post-Revocation Information Disclosure"
}

FKIE_CVE-2026-20883

Vulnerability from fkie_nvd - Published: 2026-01-22 22:16 - Updated: 2026-06-17 10:17

Severity

6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Summary

References

URL	Tags
88ee5874-cf24-4952-aea0-31affedb7ff2	https://blog.gitea.com/release-of-1.25.4/	Release Notes
88ee5874-cf24-4952-aea0-31affedb7ff2	https://github.com/go-gitea/gitea/pull/36340	Issue Tracking, Patch
88ee5874-cf24-4952-aea0-31affedb7ff2	https://github.com/go-gitea/gitea/pull/36368	Issue Tracking, Patch
88ee5874-cf24-4952-aea0-31affedb7ff2	https://github.com/go-gitea/gitea/releases/tag/v1.25.4	Release Notes
88ee5874-cf24-4952-aea0-31affedb7ff2	https://github.com/go-gitea/gitea/security/advisories/GHSA-644v-xv3j-xgqg	Broken Link

Impacted products

	Vendor	Product	Version
	gitea	gitea	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Gitea Open Source Git Server",
          "vendor": "Gitea",
          "versions": [
            {
              "lessThanOrEqual": "1.25.3",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gitea:gitea:*:*:*:*:*:-:*:*",
              "matchCriteriaId": "DFCB7D74-331D-4582-AB41-113A25BE8FAA",
              "versionEndExcluding": "1.25.4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Gitea\u0027s stopwatch API does not re-validate repository access permissions. After a user\u0027s access to a private repository is revoked, they may still view issue titles and repository names through previously started stopwatches."
    },
    {
      "lang": "es",
      "value": "La API del cron\u00f3metro de Gitea no revalida los permisos de acceso al repositorio. Despu\u00e9s de que se revoca el acceso de un usuario a un repositorio privado, a\u00fan pueden ver los t\u00edtulos de las incidencias y los nombres de los repositorios a trav\u00e9s de cron\u00f3metros iniciados previamente."
    }
  ],
  "id": "CVE-2026-20883",
  "lastModified": "2026-06-17T10:17:59.390",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-20883",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-01-23T21:11:00.973092Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-01-22T22:16:17.713",
  "references": [
    {
      "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
      "tags": [
        "Release Notes"
      ],
      "url": "https://blog.gitea.com/release-of-1.25.4/"
    },
    {
      "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
      "tags": [
        "Issue Tracking",
        "Patch"
      ],
      "url": "https://github.com/go-gitea/gitea/pull/36340"
    },
    {
      "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
      "tags": [
        "Issue Tracking",
        "Patch"
      ],
      "url": "https://github.com/go-gitea/gitea/pull/36368"
    },
    {
      "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/go-gitea/gitea/releases/tag/v1.25.4"
    },
    {
      "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
      "tags": [
        "Broken Link"
      ],
      "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-644v-xv3j-xgqg"
    }
  ],
  "sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ],
      "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
      "type": "Secondary"
    }
  ]
}

GHSA-J8XR-C56Q-M8JJ

Vulnerability from github – Published: 2026-01-23 00:31 – Updated: 2026-01-23 20:11

Summary

Gitea improperly exposes issue titles and repository names through previously started stopwatches

Details

Severity

2.3 (Low)


                  
                    CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/go-gitea/gitea"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.25.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-20883"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-284"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-01-23T20:11:59Z",
    "nvd_published_at": "2026-01-22T22:16:17Z",
    "severity": "LOW"
  },
  "details": "Gitea\u0027s stopwatch API does not re-validate repository access permissions. After a user\u0027s access to a private repository is revoked, they may still view issue titles and repository names through previously started stopwatches.",
  "id": "GHSA-j8xr-c56q-m8jj",
  "modified": "2026-01-23T20:11:59Z",
  "published": "2026-01-23T00:31:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-20883"
    },
    {
      "type": "WEB",
      "url": "https://github.com/go-gitea/gitea/pull/36340"
    },
    {
      "type": "WEB",
      "url": "https://github.com/go-gitea/gitea/pull/36368"
    },
    {
      "type": "WEB",
      "url": "https://github.com/go-gitea/gitea/commit/95ea2df00a70176c516b12f3cfee8c84a310280f"
    },
    {
      "type": "WEB",
      "url": "https://blog.gitea.com/release-of-1.25.4"
    },
    {
      "type": "WEB",
      "url": "https://github.com/go-gitea/gitea/releases/tag/v1.25.4"
    },
    {
      "type": "PACKAGE",
      "url": "https://pkg.go.dev/github.com/go-gitea/gitea"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Gitea improperly exposes issue titles and repository names through previously started stopwatches"
}

WID-SEC-W-2026-0200

Vulnerability from csaf_certbund - Published: 2026-01-22 23:00 - Updated: 2026-02-08 23:00

Summary

Gitea: Mehrere Schwachstellen

Severity

Hoch

Scope

9 vulnerabilities in this advisory, including CVE-2026-20883.

CVE-2026-20883

Known affected: 2 products

Open the full advisory

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

CVE-2026-20883 (GCVE-0-2026-20883)

bit-gitea-2026-20883

Vulnerability from bitnami_vulndb

FKIE_CVE-2026-20883

GHSA-J8XR-C56Q-M8JJ

WID-SEC-W-2026-0200

Tags

Sightings

Nomenclature

Related by attack behaviour