{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-104633","assignerOrgId":"88ee5874-cf24-4952-aea0-31affedb7ff2","state":"PUBLISHED","assignerShortName":"Gitea","dateReserved":"2026-10-04T22:02:04.892Z","datePublished":"2026-10-06T21:35:26.516Z","dateUpdated":"2026-10-07T15:53:48.550Z"},"containers":{"cna":{"providerMetadata":{"orgId":"88ee5874-cf24-4952-aea0-31affedb7ff2","shortName":"Gitea","dateUpdated":"2026-10-06T21:35:26.516Z"},"title":"Gitea migration memory exhaustion from zero page size","descriptions":[{"lang":"en","value":"When migrating a repository from another Gitea instance, Gitea used the page size reported in the source server's API settings to end its paginated downloads. A source that reported `max_response_items` as `0` made these loops run indefinitely and grow server memory until it was exhausted. Any user who can migrate repositories could point a migration at a server they control and cause a denial of service."}],"affected":[{"vendor":"Gitea","product":"Gitea","packageName":"gitea.dev","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"28.0.0","versionType":"semver"}]}],"references":[{"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-jj5r-9rpc-8h6h","name":"GitHub Security Advisory GHSA-jj5r-9rpc-8h6h","tags":["vendor-advisory"]},{"url":"https://github.com/go-gitea/gitea/pull/39501","name":"Fix: go-gitea/gitea pull request #39501","tags":["patch"]},{"url":"https://github.com/go-gitea/gitea/pull/39507","name":"Fix backport to release/v28: go-gitea/gitea pull request #39507","tags":["patch"]},{"url":"https://blog.gitea.com/release-of-28.1.0/","name":"Gitea 28.1.0 release announcement","tags":["release-notes"]},{"url":"https://github.com/go-gitea/gitea/releases/tag/v28.1.0","name":"go-gitea/gitea v28.1.0 release","tags":["release-notes"]}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption"},{"lang":"en","type":"CWE","cweId":"CWE-835","description":"CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')"}]}],"credits":[{"lang":"en","value":"https://github.com/kewmine","type":"reporter"},{"lang":"en","value":"https://github.com/silverwind","type":"remediation developer"},{"lang":"en","value":"https://github.com/bircni","type":"remediation developer"}]},"adp":[{"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:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-07T15:51:08.820853Z","id":"CVE-2026-104633","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-07T15:53:48.550Z"}}]}}